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Season 1

1 :01x01 - Repairing a Window Screen; Saving the Rain; Looking for Headroom

Oct/10/2002
In the debut episode, host Steve Thomas joins plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and general contractor Tom Silva in the Ask This Old House loft to give viewers a chance to ask questions and get expert advice about their homes. Tom shows Steve how to build a replacement window screen using inexpensive parts purchased from a home center. Roger demonstrates how an old olive barrel can be modified to act as a rain collector and be used to water a garden. Responding to a letter from a homeowner, Richard and Steve demonstrate how to find and fix a leak in a 20-year-old dishwasher. Roger demonstrates the proper technique for sharpening lawn mower blades. Tom hits the road for the first House Call of the season, to a tall homeowner whose low ceiling threatens to knock him out on his way to the basement.

Source: PBS

2 :01x02 - A Plumbing Toolkit; Park the Car, Quietly; Safe Swinging

Oct/17/2002
At the Ask This Old House barn loft, landscape contractor Roger Cook demonstrates different ways to mend a damaged garden hose. Plumbing and heating expert Richard Trethewey shows the basic plumbing tools he recommends for homeowners. General contractor Tom Silva explains how to use a square as a guide for cross-cutting with a circular saw. Tom then makes a House Call to a homeowner who has a noisy garage door opener. Roger makes a House Call to homeowners struggling with a muddy lawn under the swings.

Source: PBS

3 :01x03 - Covering a Concrete Stoop; Battling the Skeeters

Oct/24/2002
General contractor Tom Silva visits homeowners in search of a modest way to hide an ugly back stoop. Back in the barn loft he shows the different adhesives and fasteners used, as well as more traditional types of decking. Host Steve Thomas and landscape contractor Roger Cook demonstrate a new product that promises to rid backyards of mosquitoes. Plumbing and heating expert Richard Trethewey shows the proper technique for installing a thermostat on an old radiator.

Source: PBS

4 :01x04 - Air Eliminator; Saving the Trim; Filling the Gaps

Oct/31/2002
Plumbing and heating expert Richard Trethewey visits a homeowner and installs an air eliminator valve on her hydronic heating system, reducing the need for annual maintenance. At the Ask This Old House barn loft, general contractor Tom Silva shows how to remove nails without damaging the trim on a door frame. Host Steve Thomas and landscape contractor Roger Cook perform annual maintenance on a snow blower. Steve consults with painting contractor Jim Clark on ways to clean and maintain old paintbrushes. Tom makes a House Call to a young couple and shows them how to use sisal and jute rope to fill the gaps in their 160-year-old pine floor.

Source: PBS

5 :01x05 - Sanding Options; Digging Post Holes; Better Boiling

Nov/07/2002
Tom and Steve demonstrate two types of floor sanders: a traditional drum sander and a random orbital sander. Roger and Steve use manual and power tools to dig post holes for a new fence. Richard travels to a historic district in Pittsburgh, Pennsylvania, to replace a corroded pipe on a viewer's boiler. Back in the loft, Tom gives Steve a lesson in proper caulking technique.

Source: PBS

6 :01x06 - Repairing the Ceiling; Grinding the Stump; Shop Specs

Nov/14/2002
Tom visits a young couple and teaches them how to repair a cracked plaster ceiling in their condominium. In the workshop loft, Richard and Steve rebuild a toilet to prevent it from continuously filling. Roger uses a stump grinder to remove an old tree stump from a homeowner's front yard. Back in the loft, Tom replaces a broken pane of glass and reglazes a window sash.

Source: PBS

7 :01x07 - Jacking It Up; Chainsaw Smarts

Nov/21/2002
General Contractor Tom Silva works with a homeowner to repair a sagging floor in a three-family house. Together, they jack up the failing beam, pour new concrete footings, and install several new lally columns. Back at the barn, Roger works with chainsaw expert Tim Ard to sharpen and maintain his saws.

Source: PBS

8 :01x08 - Wooden Bung Holes; What Is It?; Lattice Project

Nov/28/2002
In the workshop loft, Tom shows Steve how to cut wooden bung holes and install them in decking. Painter Jim Clark visits a viewer and shows her why the new paint in her bathroom is cracking and peeling. In the loft, Tom, Steve, Roger, and Richard examine two unfamiliar objects and try to guess what they're used for. Tom makes a House Call and shows a young couple how to build an attractive outdoor lattice.

Source: PBS

9 :01x09 - Basement Window; Painting Panels; Weed Trimmers

Dec/05/2002
General contractor Tom Silva hits the road on a House Call to replace a rotting basement window and install a new dryer vent for a homeowner. Back in the Ask This Old House loft, painting expert Jim Clark shows the proper technique for painting a pre-hung six-panel door. Electrician Allen Gallant visits homeowners and installs a new power outlet in their dining room, and landscape contractor Roger Cook shows host Steve Thomas how to replace the string on a weed trimmer.

Source: PBS

10 :01x10 - Washer Repair; Pressure-Washed Brick; What Is It?; On the Level; Drip-Free Faucet

Dec/12/2002
In the Ask This Old House loft, plumbing and heating expert Richard Trethewey and host Steve Thomas take apart an old washing machine to determine why it's making a loud rumbling sound. Landscape contractor Roger Cook pays a visit to a homeowner and uses a pressure washer to clean off his slippery brick walkway. Back in the loft, Steve, general contractor Tom Silva, Roger, and Richard examine two unfamiliar objects and try to guess how they're used. Tom demonstrates different types of spirit levels, and Richard sets out to help a homeowner with a leaky kitchen faucet.

Source: PBS

11 :01x11 - Garden Pruners; Saving the Shutters; What Is It?; A Tankless Job

Dec/19/2002
In the Ask This Old House loft, landscape contractor Roger Cook and garden tool expert Paul Schneider discuss different types of hand pruners. General contractor Tom Silva helps two homeowners repair and reinstall their broken shutters. Back in the loft, host Steve Thomas, Tom, Roger, and plumbing and heating expert Richard Trethewey examine two unfamiliar objects and try to guess how they're used. Richard shows Steve several models of instantaneous water heaters, then visit a local homeowner to examine his tankless hot water system.

Source: PBS

12 :01x12 - Sawhorses; Frost-Free Faucet; What Is It?; Collecting and Composting Leaves

Dec/26/2002
In the loft, general contractor Tom Silva shows different types of store-bought sawhorses and teaches Steve how to build a pair from scratch. Plumbing and heating expert Richard Trethewey hits the road and installs a new frost-proof outdoor faucet for a homeowner. Back in the loft, Tom, Richard, landscape contractor Roger Cook, and host Steve Thomas examine two unfamiliar objects and try to guess how they're used. Roger then shows Steve how to collect and compost leaves.

Source: PBS

13 :01x13 - Spray-Painting; Chimney Dampers; What Is It?; Splitting Logs

Jan/02/2003
In the loft, painter Jim Clark shows the several different types of paint sprayers and demonstrates the proper technique for using a sprayer to paint a shutter. Host Steve Thomas enlists the help of chimney expert Mark Schaub to replace a broken fireplace damper for a homeowner. Back in the loft, Steve, Tom, Roger, and Richard examine two unfamiliar objects and try to guess how they're used. Steve and landscape contractor Roger Cook head outside to demonstrate different ways to split logs for firewood.

Source: PBS

14 :01x14 - No More Scalding; Robotic Mowers; Critter-Proofing

Jan/09/2003
Plumbing and heating expert Richard Trethewey visits a homeowner and installs a new shower faucet that will eliminate the chance of scalding. Landscape contractor Roger Cook and host Steve Thomas head outside to test the latest robotic lawn mowers. General contractor Tom Silva and an animal control expert visit a homeowner and help her "critter-proof" her house.

Source: PBS

15 :01x15 - Stubborn Ivy; What Is It?; Replacing a Bathroom Window

Jan/16/2003
Landscape contractor Roger Cook helps homeowner Mark Wegener remove the ivy covering his home in Madison, Wisconsin. Back in the loft, Roger, host Steve Thomas, general contractor Tom Silva, and plumbing and heating expert Richard Trethewey examine two unfamiliar objects and try to guess how they're used. Tom then helps homeowner Christian Hansen replace the window in his third-floor condominium bathroom. Afterward, Tom explains the proper way to measure for a replacement window.

Source: PBS

16 :01x16 - Aerating the Lawn; What Is It?; Hanging Pictures

Jan/23/2003
In the barn loft, painter Jim Clark shows host Steve Thomas the proper way to paint the exterior of a double-hung window. Landscape contractor Roger Cook helps homeowners Paul and Claire Blumenfeld aerate and fertilize their lawn. Then Roger, Steve, general contractor Tom Silva, and plumbing and heating expert Richard Trethewey examine two unfamiliar objects and try to guess how they're used. Tom then shows Steve different ways to hang a picture on a hollow wall.

Source: PBS

17 :01x17 - Washer/Dryer Shutoff; What Is It?; Finishing Drywall; Plumbing Torches

Jan/30/2003
Plumbing and heating expert Richard Trethewey visits a homeowner and installs an automatic water shutoff valve on her combination washer/dryer. Then Richard, general contractor Tom Silva, landscape contractor Roger Cook, and host Steve Thomas examine two unfamiliar objects and try to guess how they're used. Tom then shows Steve the proper technique for preparing drywall joints and Richard discusses different types of plumbing torches.

Source: PBS

18 :01x18 - Protecting the Gutters; What Is It?; Steadying the Toilet

Feb/06/2003
General contractor Tom Silva visits homeowners Roy and Sandra Lynn and shows them several products that are designed to keep leaves and other debris out of rain gutters. Then Tom, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Steve Thomas examine two unfamiliar objects and try to guess how they're used. Richard then visits homeowners Steve and Maureen Parker and helps them repair their wobbly toilet.

Source: PBS

19 :01x19 - Insulating Window Pockets; What Is It?; Sewage Injection Pump

Feb/13/2003
General contractor Tom Silva helps homeowner John Hill prevent drafts near his windows by installing insulation around the weight pockets. Then Tom, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Steve Thomas examine two unfamiliar objects and try to guess how they're used. Richard makes a House Call to help homeowner John Johnstone install a sewage ejection pump for a new basement toilet.

Source: PBS

20 :01x20 - A New Sill; What Is It?; Rolling Paint; Sharpening Knives

Feb/20/2003
General contractor Tom Silva helps homeowners Annette Ritchie and Charlie Bubar remove the aluminum siding around their window and repair the damaged sill. Back in the loft, Tom, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Steve Thomas examine two unfamiliar objects and try to guess how they're used. Then painting expert Jim Clark shows Steve how to use different types of paint rollers while Roger and knife sharpening expert Stan Watson sharpen kitchen knives.

Source: PBS

21 :01x21 - Snow Removal; What Is It?; Fixing a Sash

Feb/27/2003
Host Steve Thomas and landscape contractor Roger Cook head outside to demonstrate different types of snow shovels and snow throwers. Back in the loft, Steve, Roger, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva examine two unfamiliar objects and try to guess how they're used. Tom then visits homeowner Bernice Robinson and helps her repair the broken sash cords on an old window.

Source: PBS

22 :01x22 - A Leaky Tub Faucet; What Is It; Removing Wallpaper; Glue Guns

Mar/06/2003
Plumbing and heating expert Richard Trethewey examines homeowner Kerry Goodwin's leaky shower tub faucet. Together, they purchase the replacement parts from a local plumbing supply company and repair the fixture. Then Richard, general contractor Tom Silva, landscape contractor Roger Cook, and host Steve Thomas examine an unfamiliar object and try to guess how it's used. Painting expert Jim Clark helps homeowners Kathleen and Kevin O'Connor remove painted wallpaper. And back in the loft, Tom and Steve demonstrate several hot glue guns, including a new cordless model.

Source: PBS

23 :01x23 - Crown Molding; What Is It?; Keeping Out the Cold

Mar/13/2003
General Contractor Tom Silva installs crown molding with homeowners Sheila and Karen Fitzpatrick. Back in the loft, Tom, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Steve Thomas examine two unfamiliar objects and try to guess how they're used. Then Richard helps a Chicago-area homeowner install insulation to prevent his bathroom pipes from freezing.

Source: PBS

24 :01x24 - Kitchen Disposer; What Is It?; Hearing Protection

Mar/20/2003
Plumbing and heating expert Richard Trethewey is off to Chicago to help homeowner Dave Skena install a new garbage disposer. Back in the loft, Richard, general contractor Tom Silva, landscape contractor Roger Cook, and host Steve Thomas examine two unfamiliar objects and try to guess how they're used. Outside the barn, Roger and hearing protection expert Dr. Mark Stephenson test the decibel level of several power tools. Inside, they show Tom several new types of hearing protection.

Source: PBS

25 :01x25 - The Dutchman; What Is It?; Flood Prevention

Mar/27/2003
General contractor Tom Silva helps Chicago-area homeowners Daryl and Catherine Katauskas repair their exterior door jamb by installing a dutchman. Back in the loft, Tom, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Steve Thomas examine two unfamiliar objects and try to guess how they're used. Then Richard prevents a basement from flooding by installing a leak sensor and automatic water shutoff valve on a water heater.

Source: PBS

26 :01x26 - Clearing a Toilet; What Is It?; Attic Access; Tomatoes From Seed

Apr/03/2003
In the loft, plumbing and heating expert Richard Trethewey shows host Steve Thomas several different ways to clear a toilet stoppage. Then Richard, Steve, general contractor Tom Silva, and landscape contractor Roger Cook examine an unfamiliar object and try to guess how it's used. Tom and homeowner Tom Flannery install a new set of folding attic stairs and Roger shows Steve how to start tomato plants from seeds.

Source: PBS

Season 2

27 :02x01 - Deadbolt Installation; Hedge Trimming; Installing an Indirect Hot Water Hea

Oct/09/2003
New host Kevin O'Connor arrives at the barn (a little late) and meets landscape contractor Roger Cook, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva. Roger, Richard, and Tom welcome Kevin to the team and put him right to work. First, Tom and Kevin discuss different types of deadbolts and demonstrate how to install one on a solid wood door. Then Roger makes a House call to help homeowner Paul Garside trim his hedges. And Richard and Kevin visit homeowner Jinny Troiano to fix a heating system that can't provide enough hot water to fill a bathtub.

Source: PBS

28 :02x02 - Newel Renewal; What Is It?; Replacing a Water Heater

Oct/16/2003
General contractor Tom Silva visits homeowner Christian Dierkes to help him secure a shaky newel post at the top of his stairway. Back in the loft, Tom, landscape contractor Roger Cook, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor try to guess "What is it?" Then Richard makes a House call and finds a 50-year-old water heater that's dangerously close to the end of its life. Just in time, he replaces it with a new model designed to meet strict new national safety regulations.

Source: PBS

29 :02x03 - Slate Walkway; What Is It?; Repairing a Shower Stall Leak

Oct/23/2003
Landscape contractor Roger Cook helps homeowner Molly Simmons turn her neglected slate walkway into an attractive and safe footpath. Back in the loft, Roger, plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O'Connor try to guess "What is it?" Then Richard helps homeowner Mark Harney diagnose and repair a frustrating leak in a fiberglass shower stall.

Source: PBS

30 :02x04 - Fixing a Hole; What Is It?; Replacing a 14-inch Rough-in Toilet

Oct/30/2003
General contractor Tom Silva shows host Kevin O'Connor how to repair different size holes in drywall. Tom and Kevin are then joined by plumbing and heating expert Richard Trethewey and landscape contractor Roger Cook as they try to guess "What is it?" Then Richard helps homeowner Kent Portney replace a large 1920s wall-mounted toilet with a new model designed to fit his existing flange.

Source: PBS

31 :02x05 - Installing a Drywell; What Is It?; Getting a Grip

Nov/13/2003
Landscape contractor Roger Cook helps homeowner Rob Faris install a backyard drywell to handle the torrent of the rainfall from his roof gutters. Back in the loft, Roger, plumbing and heating expert Richard Trethewey, general contractor Tom Silva and host Kevin O'Connor try to guess "What is it?" Then Tom makes a House call and shows homeowners Sal and Joanne Scarpato how to install a safety grab bar in their bathtub.

Source: PBS

32 :02x06 - Trimming a Window; Camouflaging Utility Boxes; What Is It?; Kitchen Faucet Spray

Nov/20/2003
General contractor Tom Silva shows host Kevin O'Connor how to install interior window trim. Landscape contractor Roger Cook enlists the help of landscape architect Tom Wirth to help hide a group of unsightly utility boxes in front of a saltbox style house. Back in the loft, Roger, Kevin, Tom, and plumbing and heating expert Richard Trethewey try to guess "What is it?" On a House call, Richard shows homeowner Rick Thompson a simple fix for the broken kitchen spray hose that his mother, Jean, has had in her house for years.

Source: PBS

33 :02x07 - Planting Groundcover; Opening Stuck Windows;

Nov/27/2003
Landscape contractor Roger Cook helps homeowner Roseann Ferrini plant ivy and pachysandra on the slope in her front yard. Then general contractor Tom Silva heads off to Florida to help Miami homeowner Marc Jacobson unstick the sash on his double-hung windows.

Source: PBS

34 :02x08 - Installing Engineered Floor; Replacing a Sink Stopper

Dec/04/2003
General contractor Tom Silva helps homeowners John and Mary Kiley install a pre-finished wood floor in their sons' bedroom. Then Richard takes off for Minneapolis to help homeowner Anne McCandless replace a bathroom sink stopper that's being held together with an old Popsicle stick.

Source: PBS

35 :02x09 - Removing Poison Ivy; What Is It?; Installing Shingles

Dec/11/2003
Landscape contractor Roger Cook helps homeowner Brian Grace remove poison ivy from his backyard without the use of herbicides. Back in the loft, Roger, plumbing and heating expert Richard Trethewey, general contractor Tom Silva and host Kevin O'Connor try to guess "What is it?" Then Tom shows homeowner Dan Nutton how to install cedar shingles and weave an outside corner on his house in Lowell, Massachusetts.

Source: PBS

36 :02x10 - Repairing a Chimney; What Is It?; Preventing Toilet Tank Condensation

Dec/18/2003
Chimney expert Mark Schaub helps homeowner Terry Peterson repair the water heater flue in his chimney, preventing fireplace smoke from entering his basement. Back in the loft, plumbing and heating expert Richard Trethewey, general contractor Tom Silva, landscape contractor Roger Cook and host Kevin O'Connor try to guess "What is it?" Then Richard and homeowner Ajay Chebbi install an "anti-sweat" valve to prevent condensation on a toilet tank.

Source: PBS

37 :02x11 - Stairway Handrail; What Is It?; Transplanting a Rhododendron

Dec/25/2003
General contractor Tom Silva helps homeowner Leverett Flint install a handrail in his spilt-level stairway. Back in the loft, Tom, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Kevin O'Connor try to guess "What is it?" Then Roger shows homeowners Mario and Jennifer Finocchiaro how to transplant a large rhododendron to another area of their yard.

Source: PBS

38 :02x12 - Drip Irrigation Repair; What Is It?; Repairing a Leaky Tile Tub

Jan/01/2004
Landscape contractor Roger Cook travels to the California desert to repair the drip irrigation system of homeowner Sherry Steele. With the help of specialist Bob Galbreath, they fix the system and restore water to the plants surrounding her home just outside Los Angeles. Back in the loft, Roger, plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O'Connor try to guess "What is it?" Then Richard and tile expert Joe Ferrante help Melrose, Massachusetts, homeowner Bobby DiFraia repair his leaky bathtub once and for all.

Source: PBS

39 :02x13 - Squeaky Hardwood Floors; What Is It?; Building Timber Stairs

Jan/08/2004
General contractor Tom Silva travels to Chicago, Illinois, to help a viewer quiet the squeaky hardwood floors in his fifth-floor apartment. Back in the loft, Tom, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Kevin O'Connor try to guess "What is it?" Then Roger helps a homeowner build a set of timber steps on a short slope outside her home.

Source: PBS

40 :02x14 - Installing a Walkway; What Is It?; Cutting Accurate Miters

Jan/15/2004
Landscape contractor Roger Cook helps a homeowner install a brick walkway at the front entrance to his house. Back in the loft, Roger, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor try to guess "What is it?" Then Tom shows Kevin different ways to cut a perfect miter in wood trim.

Source: PBS

41 :02x15 - Repairing Closet Doors; What Is It?; Electric Radiant Heat; Selecting Paint Colors

Jan/22/2004
General contractor Tom Silva travels to Venice, California, to help two homeowners fix their stubborn sliding closet doors. Back at the loft, Tom, landscape contractor Roger Cook, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor try to guess "What is it?" Richard shows Kevin the basics of electric radiant floor heat. Then Kevin and preservation specialist Sally Zimmerman use a new software package to help homeowners select historically appropriate exterior paint colors for their Queen Anne Victorian.

Source: PBS

42 :02x16 - Testing Water Quality; What Is It?; Replacing a Damaged Floorboard

Jan/29/2004
Plumbing and heating expert Richard Trethewey and a water specialist examine a homeowner's water quality and discuss the installation of a water softener and sediment filter. Back at the loft, Richard, general contractor Tom Silva, landscape contractor Roger Cook, and host Kevin O'Connor try to guess "What is it?" Then Tom makes a House call to help a homeowner replace a rotten board in her oak hardwood flooring.

Source: PBS

43 :02x17 - Snaking Speaker Wire; What Is It?; Planting a Tree

Feb/05/2004
General contractor Tom Silva helps a homeowner snake wire for a pair of outdoor speakers. Together they run the wires behind a wooden baseboard, under a baseboard radiator, up a stud bay, and through the exterior wall of her house. Back at the loft, Tom, landscape contractor Roger Cook, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor try to identify an unfamiliar object in the "What is it?" segment. Then, Roger and Kevin head outside to plant a magnolia tree in front of the barn.

Source: PBS

44 :02x18 - Deterring Deer; PVC Pipe Connections; What Is It?; Fixing a Sagging Shower Door

Feb/12/2004
Landscape contractor Roger Cook shows a homeowner how to protect his ornamental shrubs from the ravages of hungry deer. Back in the loft, plumbing and heating expert Richard Trethewey answers a viewer's question about PVC pipe connections. Then Roger, Richard, general contractor Tom Silva, and host Kevin O'Connor try to identify unfamiliar objects in the "What is it?" segment. Afterwards, Tom heads out to help the Ryan family fix a shower door that won't close properly.

Source: PBS

45 :02x19 - Cutting Glass; Planting Climbing Vines; What Is It?; Installing a Portable A/C

Feb/19/2004
General contractor Tom Silva shows host Kevin O'Connor how to cut a pane of glass safely and accurately. Then landscape contractor Roger Cook helps a homeowner beautify a fieldstone wall behind her home with two varieties of flowering vines. Back in the loft, Tom, Roger, Kevin, and plumbing and heating expert Richard Trethewey try to guess "What is it?" Then Richard helps two viewers install a portable air conditioning unit in their overheated attic apartment.

Source: PBS

46 :02x20 - Programmable Thermostat; What Is It?; Repairing a Plaster and Lath Wall

Feb/26/2004
Plumbing and heating expert Richard Trethewey shows a homeowner how to install a programmable thermostat to reduce his heating bills. Back in the loft, Richard, general contractor Tom Silva, landscape contractor Roger Cook, and host Kevin O'Connor try to guess "What is it?" Then Tom helps a homeowner repair a cracked plaster and lath wall in her daughter's bedroom.

Source: PBS

47 :02x21 - Fixing a Steam Radiator; What Is It?; Preparing Raised Garden Beds for Winter

Mar/04/2004
Plumbing and heating expert Richard Trethewey makes a House call to repair an old steam radiator that squeals and leaks. With the help of the homeowners (and their Great Dane), he replaces the air vent and repairs the shutoff valve. Back in the loft, Richard, general contractor Tom Silva, landscape contractor Roger Cook, and host Kevin O'Connor try to guess "What is it?" Then Roger helps a homeowner prepare his raised garden beds for a long, cold winter.

Source: PBS

48 :02x22 - Curved Molding; Buying Wire by the Foot; What Is It?; Making Maple Syrup

Mar/11/2004
General contractor Tom Silva helps install basecap molding on top of a curved skirtboard that winds along a staircase. Then master electrician Allen Gallant shows host Kevin O'Connor how to purchase electrical wire by the foot. Back in the loft, Tom, Kevin, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook try to identify unfamiliar objects in the "What is it?" segment. Then Roger visits a family and shows them how to collect sap from a maple tree and turn it into maple syrup.

Source: PBS

49 :02x23 - Radiant Heat; What Is It?; Preparing Aluminum Siding for Paint

Mar/18/2004
Plumbing and heating expert Richard Trethewey helps a homeowner remove a baseboard heater to prepare for a complete remodeling of his bathroom. After the bathroom is transformed, Richard returns to help the homeowner install radiant heat. Back in the loft, Richard, general contractor Tom Silva, landscape contractor Roger Cook, and host Kevin O'Connor try to identify unfamiliar objects in the "What is it?" segment. Then painting expert Jim Clark helps a homeowner prepare his aluminum siding for a brand-new paint job.

Source: PBS

50 :02x24 - Track Lighting; What Is It?; Quieting Noisy Baseboard Heaters

Mar/25/2004
Master electrician Allen Gallant helps a viewer install track lighting in the kitchen of her condominium. Back in the loft, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Kevin O'Connor try to identify unfamiliar objects in the "What is it?" segment. Then Richard makes a house call to help homeowners quiet their noisy baseboard heaters.

Source: PBS

51 :02x25 - Copper Pipe Corrosion; What Is It?; Drafty Door

Apr/01/2004
Plumbing and heating expert Richard Trethewey examines a viewer's corroded copper pipes and identifies the source of the corrosion: a rusty hot water heater. Back in the loft, Richard, general contractor Tom Silva, landscape contractor Roger Cook and host Kevin O'Connor try to identify unfamiliar objects in the "What is it?" segment. Then Tom helps a homeowner replace the worn-out weather stripping around his drafty kitchen door.

Source: PBS

52 :02x26 - Season 2, Episode 26

Apr/08/2004
When a gust of wind blew the storm door off this family's home, they wrote to "Ask This Old House" for help. General contractor Tom Silva answered the call, showing them how to repair the damaged jamb and install a new storm door. Back in the loft, Tom, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Kevin O'Connor try to identify unfamiliar objects in the "What is it?" segment. Then Roger helps Kevin choose the right garden tools for his spring cleanup.

Source: PBS

Season 3

53 :03x01 - Edging a Lawn; Selecting Drill Bits; What Is It?; Fighting Fire

Oct/04/2004
Our first House call of the season takes us to Beverly, Massachusetts, where landscaping contractor Roger Cook shows new homeowners Todd and Chrissy Fratzel the proper way to edge a lawn and flower bed. Back in the loft, Tom gives some lessons on choosing drill bits. Then the guys ask "What is it?" Finally, Kevin visits Captain Hugh Duffy at the Boston Fire Department Training Center for some lessons on choosing the right type of fire extinguisher.

Source: PBS

54 :03x02 - Clogged Trap; Brick Walkway Patterns; Fixing Ceiling Cracks

Oct/11/2004
Plumbing and heating expert Richard Trethewey makes a House call in Wellesley, Massachusetts, to help homeowner Ziad Tarawneh replace the trap under his bathroom sink. Back in the loft, landscaping contractor Roger Cook shows host Kevin O'Connor a few design options for laying out a brick walkway. Then general contractor Tom Silva shows homeowners Rudd Coffey and Melissa Liazos of Watertown, Massachusetts, how to make their cracked plaster ceiling look like new by covering it with drywall.

Source: PBS

55 :03x03 - Broken Fence; What Is It?; Broken Shower Valve; Updating an Old Drill

Oct/18/2004
Roger Cook repairs a broken fence with teenage neighbor Amanda Rao. Back inside, the guys ask, "What is it?" Then, Richard restores hot-water flow to a shower for a house-sitter by repairing an anti-scald shower valve. Back in the loft, Tom shows how to upgrade an old drill by installing a "keyless" chuck.

Source: PBS

56 :03x04 - Creating a Pass-Through Opening; What Is It?; Stopping a Toilet From Running

Oct/25/2004
General contractor Tom Silva visits homeowners David and Patti Dobrindt in Milton, Massachusetts, to help them cut a pass-through in their kitchen wall. Back in the loft, the guys ask, "What is it?" After that, Rich repairs a continuously running toilet in West Roxbury, Massachusetts, for homeowner Peter Fay.

Source: PBS

57 :03x05 - Screw and Bolt Extractors; Cobblestone Edging; What Is It?; Rotting Porch Post

Nov/01/2004
General contractor Tom Silva shows host Kevin O'Connor how to remove bolts and screws with stripped or damaged heads. Landscape contractor Roger Cook visits homeowner Lauren Speisman of Waltham, Massachusetts, to help create an edge along a concrete walkway using jumbo cobblestones. Back in the loft, Tom, Roger, Kevin, and plumbing and heating expert Richard Trethewey ask "What is it?" as they identify unknown objects. Then Tom heads to Wenham, Massachusetts, to help homeowner Francine Molay jack up the roof of her front porch and fix a rotting post.

Source: PBS

58 :03x06 - Flower Boxes; What Is It?; New Lawn With Sod

Nov/08/2004
General contractor Tom Silva helps spruce up the front of homeowner Stacy Keller's Acton, Massachusetts, house by building window boxes for flowers. Then Tom, along with landscaping contractor Roger Cook, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor ask, "What is it?" Then Roger installs sod to create a brand-new lawn in the backyard of Needham, Massachusetts, homeowner Peter Burdick, just in time for his family's annual barbecue.

Source: PBS

59 :03x07 - Anode Rod Replacement; Water Diverter; What Is It?; Too Much Heat!

Nov/15/2004
In the workshop loft, plumbing and heating expert Richard Trethewey demonstrates how to extend the life of a hot water heater by replacing the sacrificial anode rod. General contractor Tom Silva visits homeowner Alison Hardy of Topsfield, Massachusetts, and installs a "cricket," or rain diverter, to keep water away from her front steps. Then Richard and Tom, along with landscaping contractor Roger Cook and host Kevin O'Connor, ask "What is it?" Then it's off to Brighton, Massachusetts, where Richard helps homeowner Kim McMahon cool off by installing thermostatic valves on her steam radiators.

Source: PBS

60 :03x08 - Hanging Shelves; What Is It?; Soil Testing; Hot Water Recirculator

Nov/22/2004
General contractor Tom Silva helps homeowners Rich and Sarah Paisner of Brighton, Massachusetts, get organized by installing adjustable shelves on the wall in their den. Back in the loft, Tom, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook, and host Kevin O'Connor, ask "What is it?" Then Roger is joined by soil expert Roberta Clark from the University of Massachusetts for some tips on testing soil before planting. Then Richard gets Tewksbury, Massachusetts, homeowner Paige Impink into hot water by installing a hot water re-circulator pump in her upstairs bathroom.

Source: PBS

61 :03x09 - Plumbing Valves; Replacing an Old Bulkhead; What Is It?; Drip Irrigation Repair

Nov/29/2004
Inside the loft, plumbing and heating contractor Richard Trethewey gives host Kevin O'Connor some lessons on leaky valves and how to repair them. Then, general contractor Tom Silva heads to Waltham, Massachusetts to help homeowners David Anderson and Alicia Beneteau replace an old, rusty cellar door with a new fiberglass model. Back in the loft, Tom and Rich, along with landscaping contractor Roger Cook and host Kevin O'Connor ask, "What is it?" Then, Roger helps homeowner Christine Dinardo of Carlisle, Massachusetts repair a leaky drip irrigation hose.

Source: PBS

62 :03x10 - Noisy Toilet; What Is It?; Cutting Crown Molding; Replacing Broken Tile

Dec/06/2004
Plumbing and heating expert Richard Trethewey visits Stephen Davidson of Littleton, Massachusetts to find the source of a strange "fog horn" sound coming from his plumbing system. Then Rich, along with general contractor Tom Silva, landscaping contractor Roger Cook and host Kevin O'Connor asks, "What is it?" Back in the loft, Tom shows the three basic cuts necessary to install crown molding. And tile contractor Joe Ferrante helps homeowner Brandon Ingersoll of Cambridge, Massachusetts replace some hard-to-find broken bathroom tiles.

Source: PBS

63 :03x11 - Ladder Safety; What Is It?; Replacing an Old Retaining Wall

Dec/13/2004
Host Kevin O'Connor heads outside the barn to learn about ladder safety from expert John Drengenberg. Up in the loft, Kevin, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey and landscaping contractor Roger Cook, asks, "What is it?" Then, Roger rebuilds a crumbling retaining wall with homeowner Colin White of Wakefield, Massachusetts using interlocking concrete blocks.

Source: PBS

64 :03x12 - Repairing Cracked Stucco; What Is It?; Cleaning a Lawnmower; Dehumidifier Pumps

Dec/20/2004
General contractor Tom Silva heads to sunny Los Angeles, California where he helps homeowner Joshua Tano repair some cracked stucco. Back in the loft, Tom, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook and host Kevin O'Connor asks, "What is it?" Then, Roger shows Kevin how to keep a lawnmower humming all summer long by cleaning underneath the deck. Then, Richard helps water-logged homeowner Karen Kostegan of Bedford, Massachusetts install a pump to remove condensate from her basement dehumidifier.

Source: PBS

65 :03x13 - Planting a New Lawn; What Is It?; Replacing a Kitchen Sink

Dec/27/2004
Landscape Contractor Roger Cook re-seeds a damaged lawn for homeowner Mary Brintnall of Beverly, Massachusetts. Back in the loft, Roger, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor ask, "What is it?" Then, Richard heads to the Detroit suburb of Sterling Heights, Michigan to install a new kitchen sink for homeowners Donna and Tim Mackey.

Source: PBS

66 :03x14 - Chicago Door Glass Repair; Glass Expert; What Is It?; Pruning a Pin Oak

Jan/03/2005
General contractor Tom Silva heads to the windy city suburb of Park Ridge, Illinois, where he helps homeowner Richard Westphal replace the broken window pane in an exterior door. Back in the loft, Tom and glass expert Larry Rosenfield show host Kevin O'Connor different types of safety glass. Afterwards, Tom and Kevin, along with plumbing and heating expert Richard Trethewey, and landscaping contractor Roger Cook ask, "What is it?" Then Roger is off to Brookline, Massachusetts to "let the sunshine in" for homeowner Elizabeth Choi by pruning her Pin Oak tree with the help of arborist Matt Foti.

Source: PBS

67 :03x15 - Replacing an Old Storm Window; Winterizing Shrubs; What Is It?; Carbon Monoxide Detectors

Jan/10/2005
General contractor Tom Silva helps homeowner Tarah Hirschey of Wellesley, Massachusetts make her old windows more efficient by installing new storm windows. Then, landscape contractor Roger Cook offers tips for getting your shrubs ready for winter. Afterwards, Tom and Roger, along with plumbing and heating expert Richard Trethewey, and host Kevin O'Connor ask "What is it?" in the Ask This Old House loft. Finally, Richard heads to New York City where he meets up with home inspector Stephen Gladstone and homeowners Roy and Sophia Pachecano for some potentially life-saving lessons on carbon monoxide detectors

Source: PBS

68 :03x16 - Replicating Moldings; Fixing an Unlevel Patio; What Is It?; Stripping Wallpaper

Jan/17/2005
In the Ask This Old House loft, general contractor Tom Silva shows host Kevin O'Connor a few ways to recreate different moulding profiles. Then, landscaping contractor Roger Cook heads to Skokie, Illinois where he has some "uplifting" advice for a homeowner with a sinking brick patio. After that, Tom and Roger are joined by plumbing and heating expert Richard Trethewey and host Kevin O'Connor to guess "What is it?" in the Ask This Old House loft. Then, painting contractor Jim Clark shows Kevin and homeowner Caroline Pooler of Andover, Massachusetts a new way to strip wallpaper.

Source: PBS

69 :03x17 - Replacing Rotted Deck Balusters; What Is It?; Connecting an Icemaker

Jan/24/2005
Homeowner Martin D'Agostino of Swampscott, Massachusetts receives a visit from general contractor Tom Silva who shows him how to repair and replace his rotting deck balusters. Then, Tom, along with plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Kevin O'Connor, ask "What is it?" in the Ask This Old House loft. Afterwards, Richard heads off to Salem, Massachusetts to hook up a refrigerator's ice-maker and water dispenser for homeowner Joe Cole.



Source: PBS

70 :03x18 - Unclogging Bathtub Drains; An Alternative to Window Weights; What Is It?; Planting a Low-maintenance Garden

Jan/31/2005
In the barn loft, plumbing and heating expert Rich Trethewey "clears up" the mysteries of clogged bathtub drains. Then, general contractor Tom Silva helps Marblehead, Massachusetts homeowner Terry Lavelle replace his double-hung window weights with spring loaded sash balancers. Afterwards, Tom shows host Kevin O'Connor how to insulate the empty window weight pockets to prevent cold winter drafts. Then Tom, Rich, and Kevin, along with landscaping contractor Roger Cook ask, "What is it?" Finally, Roger helps a very thoughtful tenant, Brett Campbell of Arlington, Massachusetts, plant a low-maintenance garden for his elderly landlady.

Source: PBS

71 :03x19 - Composting; What Is It?; Removing a House Trap

Feb/07/2005
Landscape contractor Roger Cook shows homeowner Doug Ferguson of Hudson, Massachusetts how to recycle his yard waste through composting. They visit a compost bin test site where they meet compost expert Ann McGovern from the Massachusetts Department of Environmental Protection. Then Roger, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor, ask "What is it?" in the Ask This Old House loft. Later, Richard helps homeowner Kate Smukler of Arlington, Massachusetts remove an old cast-iron house trap on her main sewer line so that a clog can be easily cleared.

Source: PBS

72 :03x20 - Leveling a Floor; What Is It?; Fixing a Leaky Water Shut-off Valve; Air Compressors

Feb/14/2005
General contractor Tom Silva helps homeowner Mark Andrews of Charlestown, Massachusetts level an uneven concrete floor so that he can install hardwood flooring. Then Tom, along with plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Kevin O'Connor, ask "What is it?" in the Ask This Old House loft. Then, Richard shows homeowner Jenna Williams of Rex, Georgia a simple repair for a leaky water shut-off valve. Then, up in the loft, Tom teaches Kevin about air-compressors and how to select the right one for the job.

Source: PBS

73 :03x21 - Installing a 220 Volt Receptacle; Gardening Hand Tools; What Is It?; Installing a Macerating Toilet

Feb/21/2005
General contractor Tom Silva shows host Kevin O'Connor what's inside a typical residential electrical service panel. Then, master electrician Allen Gallant helps homeowner Steve Bankowitz of Burlington, Massachusetts install a new 220-volt receptacle in his garage-turned-woodshop. Landscape contractor Roger Cook shows Kevin what types of hand tools every home gardener should own. Then, the crew asks "What is it?" in the Ask This Old House loft. Later, plumbing and heating expert Richard Trethewey helps homeowner Scott Jones of Arlington, Massachusetts install a macerating toilet in his basement.

Source: PBS

74 :03x22 - Riding Lawnmowers; What Is It?; Garbage Disposers; Replacing a Rotting Wooden Threshold

Feb/28/2005
Landscaping contractor Roger Cook heads to Alpharetta, Georgia to help homeowner Dale Eneberg shop for a new riding lawnmower. Then Roger, along with plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O'Connor ask, "What is it?" Later, Tom replaces a rotting wooden threshold for homeowners Steve Chapman & Maggie Hale of Arlington, Massachusetts. And, back in the loft, Richard shows Kevin how garbage disposers work and explains how to keep them working like new.

Source: PBS

75 :03x23 - Clearing a Clogged Vent Stack; What Is It?; Building a Backyard Ice Rink

Mar/07/2005
Plumbing and heating expert Richard Trethewey helps homeowner Tom Pulkowski of Chelmsford, Massachusetts clear a clogged vent stack with the aid of a fiberoptic plumbing snake. Then Richard, along with landscaping contractor Roger Cook, general contractor Tom Silva, and host Kevin O'Connor ask, "What is it?" Then, Roger helps homeowner Dennis Cronin of Duxbury, Massachusetts build a ice skating rink in his backyard.

Source: PBS

76 :03x24 - Installing an Electronic Air Cleaner; Removing Ice From a Walkway; Venting a Bathroom Fan

Mar/14/2005
Plumbing and heating expert Richard Trethewey helps a pair of homeowners from Arlington, Massachusetts install an electronic air cleaner on their forced-air furnace. Then landscaping contractor Roger Cook shows host Kevin O'Connor some tools and materials for removing ice from concrete walkways. And general contractor Tom Silva shows homeowner Enza Sheehan of Swampscott, Massachusetts how to properly vent a bathroom fan to the outside of the house.

Source: PBS

77 :03x25 - Installing Florescent Light Fixtures; What Is It?; Landscaping Software; Replacing an Aluminum Baseboard Heat Cover

Mar/21/2005
Up in the loft, general contractor Tom Silva shows host Kevin O'Connor a few tricks for using one of the most basic tools, a tape measure. Then master electrician Allen Gallant visits homeowner Kristen Berger of Leominster, Massachusetts and brightens up a dimly-lit basement with new fluorescent fixtures. Then Tom and Kevin, along with plumbing and heating expert Richard Trethewey and landscaping contractor Roger Cook ask, "What is it?" Later, Kevin shows Roger a software package that can be used to create a three-dimensional landscape plan. And Richard makes a house call to homeowner Wendy Smith in Duxbury, Massachusetts and shows her how to replace the banged-up aluminum cover on an old baseboard heater.

Source: PBS

78 :03x26 - Installing Window Boxes on Brick Siding; What Is It?; Making Plumbing Connections; Installing a

Mar/28/2005
General contractor Tom Silva makes a house call to Atlanta, Georgia to show homeowner Terry Andrews how to use masonry fasteners to install window boxes on his brick townhouse. Then Tom, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook, and host Kevin O'Connor ask, "What is it?" Then, back in the loft, Richard shows Kevin several different ways to make copper pipe connections, including a new solderless system. Then, Roger helps homeowner Alan Lear of Carlisle, Massachusetts install a perimeter drain to catch rainwater running off of his roof.

Source: PBS

Season 4

79 :04x01 - Stone Walkway; Oak Floor

Oct/06/2005
Our 4th season begins with a house call from landscaping contractor Roger Cook who helps a homeowner repair a loose flagstone in his mortared front walkway. Then Roger, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor ask, "What is it?" Then, Tom helps a handy homeowner patch a hardwood floor where an interior wall once stood.

Source: PBS

80 :04x02 - Creaky Stairs; Static Cling Solution; Electric Shut-off Valve

Oct/13/2005
General contractor Tom Silva quiets a homeowner's squeaky stairs and replaces a broken baluster. Then Tom, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook, and host Kevin O'Connor ask, "What is it?" Then, Richard helps a homeowner prevent a damaging flood by installing an automatic shut-off valve for her washing machine.

Source: PBS

81 :04x03 - Water Filter; Drought-Resistant Tree

Oct/20/2005
Plumbing and heating expert Richard Trethewey helps a homeowner improve the quality of her drinking water by installing an under-sink filter. After that, Richard and host Kevin O'Connor are joined in the loft by water-filtration expert Bill McTighe who explains several other types of residential water filters. Then, landscaping contractor Roger Cook helps a homeowner select a drought-resistant tree and plant it properly in her sloped front yard.

Source: PBS

82 :04x04 - Wheelbarrow Tire; Aluminum Rain Gutter

Oct/27/2005
Up in the loft, landscaping contractor Roger Cook shows host Kevin O'Connor how to repair a flat wheelbarrow tire. He also shows a new type of flat-free tire. Then, general contractor Tom Silva helps a homeowner repair an aluminum rain gutter. Then, back in the loft, Kevin and Tom demonstrate a tip sent in from a viewer on how to drill a hole in ceramic tile. Then, plumbing and heating expert Richard Trethewey helps a homeowner with a leaking T&P valve on his water heater by installing a thermal expansion tank.

Source: PBS

83 :04x05 - Rose Bush; What is it?; Wobbly Toilet; Water Leak

Nov/03/2005
Landscaping contractor Roger Cook heads to Grandview, Missouri to help a homeowner care for an ailing rose bush. Then Roger, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor ask, "What is it?" Up in the loft, Richard shows Kevin a number of ways to steady a wobbly toilet. Then, Tom helps a homeowner prevent water from leaking through a hole in his foundation into his basement.

Source: PBS

84 :04x06 - Raised Garden Bed; Bathtub Drain

Nov/10/2005
Landscaping contractor Roger Cook helps a young couple build a raised garden bed using composite landscape timbers made from recycled plastic and sawdust. Back in the loft, Roger shows host Kevin O'Connor several other types of landscape timbers, including one that has been pressure-treated with liquid glass. Then, plumbing and heating expert Richard Trethewey helps a homeowner clear a slow-draining bathtub using a plumbing snake.

Source: PBS

85 :04x07 - Preventing Moss, Algae and Lichen; What is It?; Leaky Water Valve; Shade-tolerant Ground Cover

Nov/17/2005
General contractor Tom Silva shows a homeowner how to remove moss and lichen from his shade-covered roof and keep them from coming back. Then Tom, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook, and host Kevin O'Connor ask, "What is it?" Up in the loft, Richard shows Kevin how to repair a leaky valve by replacing the washer and valve seat. Then, Roger helps a homeowner plant shade-loving groundcover under a 100-year-old beech tree.

Source: PBS

86 :04x08 - Circular Saw 101; What is it?; Outdoor Faucet

Nov/24/2005
Up in the loft, general contractor Tom Silva gives host Kevin O'Connor a few lessons on the proper use of a circular saw. Then, plumbing and heating expert Richard Trethewey installs a new outdoor faucet for a homeowner using flexible plastic tubing called PEX. Then Richard, along with Tom, Kevin and landscaping contractor Roger Cook ask, "What is it?" And arborist Matt Foti prevents a tree from splitting in half by installing steel cables and through-bolts to hold it together.

Source: PBS

87 :04x09 - Viewer Tips; Re-shingling A Garage Roof

Dec/01/2005
Plumbing and heating expert Richard Trethewey starts the show with a suggestion sent in by a viewer. Richard shows how to use a common wire nut to save a partially-used tube of caulk and demonstrates a new replacement caulk tip. Then, general contractor Tom Silva helps a pair of homeowners replace the worn-out roof on an old garage. Together, they tear off the old roof, lay down felt paper, and re-shingle the roof using new asphalt-fiberglass shingles.

Source: PBS

88 :04x10 - Viewer Tips; Laundry Sink

Dec/08/2005
Landscaping contractor Roger Cook helps a pair of homeowners tame an overgrown privet hedge with some "rejuvenation pruning." Then, plumbing and heating expert Richard Trethewey helps a homeowner install a laundry sink in the basement of her new townhouse. Together, they run the copper pipes for the water supply, make the new PVC drain connection, and connect the plumbing vent.

Source: PBS

89 :04x11 - Snowthrowers; What is it?; Installing A New Exterior Door

Dec/15/2005
Landscaping contractor Roger Cook and host Kevin O'Connor bundle up and head outside for a few lessons on the different types of snowthrowers and how to use them properly. Back in the barn loft, Roger and Kevin, along with plumbing and heating expert Richard Trethewey and general contractor Tom Silva ask, "What is it?" Then, Tom makes a housecall to help a homeowner replace an old, drafty exterior door with a new pre-hung, energy-efficient unit.

Source: PBS

90 :04x12 - Viewer Tips; What is it?; Electric Water Heater

Dec/22/2005
Host Kevin O'Connor heads to southern California and meets with a local expert to learn about the proper tools techniques for window washing. Then back in the loft, Kevin, along with landscaping contractor Roger Cook, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask, "What is it?" Then, Richard helps a pair of homeowners flush the sediment out of their aging electric water heater. Later, up in the loft, Richard demonstrates several water heater maintenance tips.

Source: PBS

91 :04x13 - Vinyl Floor; What is it?; Preventing Frozen Pipes

Dec/29/2005
General contractor Tom Silva heads to New York's "lower east side" to help a pair of apartment-dwellers install a new vinyl floor. Then Tom, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook and host Kevin O'Connor ask, "What is it?" Then, up in the loft, Richard shows Kevin a few ways to prevent plumbing pipes from freezing in the winter and the proper way to thaw pipes if they do freeze.

Source: PBS

92 :04x14 - Radon Mitigation System; Pruning an Apple Tree

Jan/05/2006
Host Kevin O'Connor heads to Minneapolis, Minnesota to help a pair of homeowners who have discovered dangerous levels of radon gas in their finished basement. Then, up in the loft, Kevin shows a number of radon test kits available at home centers and local health departments. Then, landscaping contractor Roger Cook shows a homeowner how to prune his apple tree to produce healthy fruit.

Source: PBS

93 :04x15 - Sprinkler System; What is It?; Concrete Footing

Jan/12/2006
Landscaping contractor Roger Cook heads to Dallas, Texas to help a homeowner install a low cost in-ground sprinkler system. Then Roger, along with plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O'Connor ask, "What is it?" Then, Tom helps a homeowner pour new concrete footings for a backyard deck.

Source: PBS

94 :04x16 - Hammers; Pressure-assisted Toilet; Plastered Wall

Jan/19/2006
Up in the loft, general contractor Tom Silva shows host Kevin O'Connor several different types of hammers and how to use them properly. Then, plumbing and heating expert Richard Trethewey helps a homeowner repair a pressure-assisted toilet. Tom then gives Kevin some lessons on how to patch a large hole in a wall using veneer plaster and blueboard.

Source: PBS

95 :04x17 - Residential Well; Vinyl Siding

Jan/26/2006
Plumbing and heating expert Richard Trethewey and a specialist repair a residential well system for a homeowner by replacing the pump and pressurized well tank. Then general contractor Tom Silva helps a homeowner repair a small hole in his vinyl siding.

Source: PBS

96 :04x18 - Transplanting Spruce Tree; What is It?; Extending a Staircase Handrail

Feb/02/2006
Landscaping contractor Roger Cook shows a homeowner how to transplant a spruce tree that was originally planted too close to her house. Then Roger, along with plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O'Connor ask, "What is it?" Then, Tom heads off to Seattle to help a homeowner extend a staircase handrail using a new type of fastening system.

Source: PBS

97 :04x19 - Custom Radiator Cover; Installing a Steam Humidifier In a Forced-air Heating System

Feb/09/2006
General contractor Tom Silva shows host Kevin O'Connor how to build a custom cover for a radiator. Then plumbing and heating expert Richard Trethewey shows Kevin several different types of humidifiers and then makes a housecall to help a homeowner install a steam humidifier on her forced-air heating system.

Source: PBS

98 :04x20 - Granite Driveway Marker; What is It?; Hot Water Radiator System

Feb/16/2006
Landscaping contractor Roger Cook and a specialist help a homeowner install a granite driveway marker so that visitors can more easily find his house. Then Roger, along with plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O'Connor ask, "What is it?" Afterward, Richard heads to Pennsylvania to fix a hot water radiator that is not providing any heat.

Source: PBS

99 :04x21 - Instantaneous Water Heater; Planting Trees To Save Energy; Cellulose Insulation

Feb/23/2006
This special episode is all about making your home more energy-efficient. Plumbing and heating expert Richard Trethewey heads to Atlanta where he helps a homeowner install an instantaneous water heater to save on rising fuel costs. Then, up in the loft, landscaping contractor Roger Cook shows how proper planting of deciduous and evergreen trees can help reduce the costs of heating and cooling your house. Then, general contractor Tom Silva helps a pair of homeowners insulate the walls of their antique Victorian using blown-in cellulose insulation. Back in the loft, Tom demonstrates how to add additional fiberglass insulation to an attic.

Source: PBS

100 :04x22 - Cast-iron Radiator; Grading Problem; What is It?; Wobbly Newel Post; Cast-iron Bathtub

Mar/02/2006
Up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin O'Connor how to repair damaged threads on a radiator using a drill and "tap." Then, landscaping contractor Roger Cook helps a homeowner solve a grading problem that is causing wood rot on the side of her house. Then Richard and Kevin, along with general contractor Tom Silva and host Kevin O'Connor ask, "What is it?" Afterward, Tom shows Kevin how to stabilize a wobbly newel post. Then, Kevin and a tub refinisher help a homeowner refinish her old cast-iron bathtub and make it look like new.

Source: PBS

101 :04x23 - Replacing Door; Leaky Kitchen Faucet

Mar/09/2006
General contractor Tom Silva helps a homeowner replace an interior "hollow-core" door with a heavier, more attractive, "solid-core" door. Then, up in the loft, Tom and host Kevin O'Connor cut several doors in half to reveal how different types of doors are constructed. Then, plumbing and heating expert Richard Trethewey heads to Philadelphia to repair a leaky kitchen faucet. Afterward, back in the loft, Richard shows Kevin several types of kitchen faucets and a few tips on repairing them.

Source: PBS

102 :04x24 - Replacing Dishwasher; What is It?; Wood Chisel; Lawn Spreaders

Mar/16/2006
Plumbing and heating expert Richard Trethewey helps a homeowner select and install a new dishwasher. Then, Richard, along with general contractor Tom Silva, landscaping contractor Roger Cook and host Kevin O'Connor ask, "What is it?" Then, up in the loft, Tom shows Kevin how to sharpen wood chisels using different types of sharpening stones. Then, Roger and Kevin head outside for some lessons on proper use of lawn spreaders.

Source: PBS

103 :04x25 - Cutting Tile; Sump Pump

Mar/23/2006
Up in the loft, tile expert Joe Ferrante shows host Kevin O'Connor the proper way to cut several different types of tile. Then, general contractor Tom Silva helps a homeowner with a wet basement install a sump pump. Back in the loft, Tom and plumbing and heating expert Richard Trethewey discuss emergency backup systems for sump pumps.

Source: PBS

104 :04x26 - Air Conditioning System; What is It?; De-thatching a Lawn

Mar/30/2006
Plumbing and heating expert Richard Trethewey visits a homeowner in Kansas to help install a mini-split air conditioning system. Then, Richard, along with general contractor Tom Silva, landscaping contractor Roger Cook, and host Kevin O'Connor ask, "What is it?" Then, Roger helps a homeowner "wake up the lawn" in preparation for spring by using a de-thatching machine.

Source: PBS

Season 5

105 :05x01 - Bathroom Door; What is It?; Bamboo Privacy Screen

Oct/12/2006
Our 5th season kicks off with general contractor Tom Silva helping a homeowner repair an interior door that won't latch shut. Then Tom, along with landscaping contractor Roger Cook, plumbing and heating expert Richard Trethewey and host Kevin O'Connor ask, "What is it?" Then, Roger heads for "fabulous" Las Vegas, Nevada, where he helps a pair of homeowners select and plant a privacy screen using bamboo plants.

Source: PBS

106 :05x02 - Clogged Faucet Aerator; Selecting Houseplants; Squeaky Subfloor

Oct/19/2006
Plumbing and heating expert Richard Trethewey helps a homeowner replace a clogged aerator on his bathroom faucet. Then, up in the loft, landscaping contractor Roger Cook is joined by plant expert Carrie Kelly to learn about caring for houseplants. Then, general contractor Tom Silva helps a homeowner quiet a squeaky subfloor hidden underneath wall-to-wall carpeting using special "breakaway" screws.

Source: PBS

107 :05x03 - Shower Base; Rain Barrel

Oct/26/2006
Plumbing and heating expert Richard Trethewey helps a homeowner begin to remodel his bathroom by installing a new acrylic shower base. Back in the loft, Tom demonstrates the proper way to install backerboard and tile around a new shower base. Then, landscaping contractor Roger Cook helps a homeowner save water by installing a rain barrel to catch rainwater from the roof.

Source: PBS

108 :05x04 - Garage Storage Cabinets; What is It?; Ceiling Fan

Nov/02/2006
General contractor Tom Silva heads to Las Vegas to help a young homeowner organize her garage by installing new cabinets designed especially for garages. Then, in the "What is it?" segment, host Kevin O'Connor and landscaper Roger Cook test a new type of vacuum-assisted post hole digger. Afterward, electrician John Barros visits a homeowner who needs help installing a new ceiling fan. Then, up in the loft, John shows Kevin a few other ways of installing fan-rated electrical boxes.

Source: PBS

109 :05x05 - Flower Bulbs; Straight Rip Cuts; What is It?

Nov/09/2006
Landscaping contractor Roger Cook and host Kevin O'Connor plant flower bulbs outside the barn. Then, up in the loft, general contractor Tom Silva shows Kevin how to makes straight rip cuts with a circular saw using a customized jig. Then Tom, Kevin, Roger and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Richard helps a homeowner eliminate the water hammer noise from his pipes by installing shock suppressors.

Source: PBS

110 :05x06 - Rebuilding a Small Exterior Deck and Stairs

Nov/16/2006
General contractor Tom Silva helps a homeowner with a large carpentry project: rebuilding a small exterior deck. They start by removing the existing deck, which has rotted and become unstable. Together, they build a new deck, including stairs and handrails, using pressure-treated lumber and composite deck boards.

Source: PBS

111 :05x07 - Home Energy Audit; What is It?; Toilet Seat

Nov/23/2006
Host Kevin O'Connor and energy efficiency expert Bruce Torrey conduct an energy audit of a house. Using an infra-red camera, they locate areas where weather-stripping and insulation can be improved. Then Kevin, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook, and general contractor Tom Silva ask, "What is it?" Afterward, Richard demonstrates how to remove an old toilet seat that has corroded bolts.

Source: PBS

112 :05x08 - Maintaining Stone Countertops; What is It?; Chain Link Fence

Nov/30/2006
Up in the loft, stone countertop expert Jason Keefe shows host Kevin O'Connor how to maintain stone countertops and prevent stains. Then Kevin, along with landscaping contractor Roger Cook, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask, "What is it?" Afterward, Roger and fence contractor Mike McLaughlin help a homeowner install a chain link fence.

Source: PBS

113 :05x09 - Childproofing; What is It?; Water-powered Backup Sump Pump

Dec/07/2006
Host Kevin O'Connor and child safety expert Jeff Baril visit a homeowner to "childproof" her home. Then Kevin, along with general contractor Tom Silva, landscaping contractor Roger Cook, and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Richard helps a homeowner install a back-up sump pump that is powered by municipal water pressure instead of electricity.

Source: PBS

114 :05x10 - Glass Tile; Repairing a Damaged Lawn

Dec/14/2006
Tile contractor Joe Ferrante helps a homeowner install a brand new kitchen backsplash using glass tile. Then, landscaping contractor Roger Cook helps a homeowner replace a damaged section of lawn using sod.

Source: PBS

115 :05x11 - Damaged Clapboard Siding; Felling Trees Safely

Dec/21/2006
General contractor Tom Silva shows host Kevin O'Connor how to replace damaged cedar clapboards on the exterior of a house. Then Kevin and Tom, along with landscaping contractor Roger Cook and plumbing and heating expert Richard Trethewey ask, "What is it?" Then, Roger and chainsaw expert Tim Ard show a homeowner how to fell trees safely using a chainsaw.

Source: PBS

116 :05x12 - Shower Mixing Valve; What is It?; Cordless Tool Batteries

Dec/28/2006
Plumbing and heating expert Richard Trethewey heads to San Francisco to help a homeowner repair an old shower mixing valve. Then Richard, along with host Kevin O'Connor, landscaping contractor Roger Cook, and general contractor Tom Silva ask, "What is it?" Then, up in the loft, Kevin and Tom are joined by battery expert Tim Pugh to discuss battery technology in cordless tools and proper recycling of batteries.

Source: PBS

117 :05x13 - Mulching Garden Beds; Repairing a Sash-balancer

Jan/04/2007
Landscaping contractor Roger Cook takes a homeowner shopping for mulch and shows her how to re-mulch and edge her garden beds. Then, general contractor Tom Silva shows a homeowner how to replace broken sash balancers in his double-hung windows.

Source: PBS

118 :05x14 - Overgrown Tree; Zone Controls

Jan/11/2007
Landscaping contractor Roger Cook and arborist Matt Foti help a homeowner properly prune his overgrown willow tree. Then, plumbing and heating expert Richard Trethewey heads to Denver to fix a hot water heating system that doesn't provide enough heat to a newly-built addition.

Source: PBS

119 :05x15 - Clogged Drains; What is It?; Installing Kitchen Cabinets

Jan/18/2007
Up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin O'Connor different methods for clearing clogged drains. Then Richard and Kevin, along with landscaping contractor Roger Cook and general contractor Tom Silva ask, "What is it?" Afterward, Tom helps a homeowner install new kitchen cabinets.

Source: PBS

120 :05x16 - Juniper Bush; Extension Cord; Pedestal Sink

Jan/25/2007
Landscaping contractor Roger Cook heads to Denver to help a pair of homeowners remove an overgrown Juniper bush. Then, up in the loft, host Kevin O'Connor and general contractor Tom Silva demonstrate the proper way to coil extension cords. Then, plumbing and heating expert Richard Trethewey helps a homeowner replace a pop-up drain assembly on the pedestal sink in his bathroom.

Source: PBS

121 :05x17 - Wall-to-wall Carpet; What is It?; Table Saw Safety

Feb/01/2007
Host Kevin O'Connor helps a homeowner select wall-to-wall carpet and install it properly with the assistance of a professional installer. Back in the loft, Kevin, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscaping contractor Roger Cook ask, "What is it?" Then Tom shows Kevin a few tips for using a tablesaw safely and demonstrates a new type of emergency-brake that helps prevent tablesaw injuries.

Source: PBS

122 :05x18 - Damaged Vinyl Floor; What is It?; Repairing Prinkler System

Feb/08/2007
General contractor Tom Silva heads to Sacramento, California to help a pair of homeowners patch a hole in their vinyl kitchen floor. Then Tom, along with host Kevin O'Connor, landscaping contractor Roger Cook and plumbing and heating expert Richard Trethewey ask, "What is it?" Then, Roger heads to Las Vegas, Nevada to help a homeowner repair a leaky in-ground sprinkler system.

Source: PBS

123 :05x19 - Refinishing Cast Iron Radiators; Standby Electric Generator

Feb/15/2007
Plumbing and heating expert Richard Trethewey helps a homeowner refinish her cast iron radiators. With the help of a restoration specialist, they sandblast the peeling paint and apply a brand new finish. Afterward, host Kevin O'Connor heads to St. Louis to help install a standby generator in an area with frequent power outages.

Source: PBS

124 :05x20 - Replacing a Shrub; What is It?; Attic Fan

Feb/22/2007
Landscaping contractor Roger Cook shows a homeowner how the brick stairs in front of his house have created a blistering "micro-climate," causing damage to an adjacent shrub. Together, they remove the ailing shrub and replace it with a heat-tolerant yew. Then Roger, along with host Kevin O'Connor, general contractor Tom Silva, and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Tom improves the ventilation in an attic by installing a solar-powered roof fan.

Source: PBS

125 :05x21 - Composite Decking; Noisy Steam Radiator

Mar/01/2007
General contractor Tom Silva removes the cracked and warped boards on an old deck and installs new composite decking using hidden fasteners. Afterward, plumbing and heating expert Richard Trethewey quiets down a noisy steam heating system.

Source: PBS

126 :05x22 - Corroded Shut-off Valve; Selecting and Planting Climbing Roses

Mar/08/2007
Plumbing and heating expert Richard Trethewey helps a homeowner replace a corroded shut-off valve with a new one that doesn't require any soldering. Then Richard, along with host Kevin O'Connor, landscaping contractor Roger Cook and general contractor Tom Silva ask, "What is it?" Afterward, Roger helps a homeowner select the proper rose bushes and plant them so they will "climb" a two-rail fence.

Source: PBS

127 :05x23 - New Radiator/towel Bar Warmer; Hand Planes; Controlling Crabgrass

Mar/15/2007
Plumbing and heating expert Richard Trethewey helps a homeowner install a new bathroom radiator that doubles as a towel warmer. Then, up in the loft, general contractor Tom Silva shows host Kevin O'Connor how to use hand planes to shape wood. Then, landscaping contractor Roger Cook helps a homeowner remove crabgrass from his lawn and prevent it from returning.

Source: PBS

128 :05x24 - Damaged Mailbox Post; Repointing Brickwork

Mar/22/2007
Landscaping contractor Roger Cook helps a homeowner replace a mailbox that has been damaged by a snowplow. Then, general contractor Tom Silva heads to St. Louis to help a pair of homeowners repoint the failing mortar on their home's brick foundation.

Source: PBS

129 :05x25 - Lawn Mowing and Edging Basics; What is It?; Electric Water Heater; Broken Stair Tread

Mar/29/2007
Landscaping contractor Roger Cook shows two young homeowners how to mow and edge their front lawn properly. Then Roger, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey and general contractor Tom Silva ask, "What is it?" Afterward, Richard shows Kevin how to repair and maintain electric water heaters. Then, Tom helps a homeowner repair a broken stair tread using a new type of wooden dowel.

Source: PBS

130 :05x26 - Building a Simple Workbench; What is It?; Lawnmower Tune-up; Noisy Forced Hot-air System

Apr/05/2007
Up in the loft, general contractor Tom Silva shows host Kevin O'Connor how to build a simple workbench. Then Tom and Kevin, along with plumbing and heating expert Richard Trethewey and landscaping contractor Roger Cook ask, "What is it?" Afterward, Roger shows Kevin how to tune-up a gas-powered lawn mower. Then, Richard helps quiet a whistling forced-air heating system by installing a "bypass duct."

Source: PBS

Season 6

131 :06x01 - Replacing a Tub Trap; Repairing Gypsum Board Ceiling

Oct/04/2007
Rich Trethewey demonstrates how to replace the trap under a bathtub, explaining how the trap keeps sewer gas out of the house and how the newer P traps improve on older barrel designs. Then the group ponders a mysterious green cylinder that's actually a tool of the firewood industry, used for marking saw points. Finally, Tom Silva helps out a man who had the bad luck to put his foot through his ceiling, showing how to repair it without replacing the drywall. It starts with a backer board, construction adhesive and shims, and finishes with many, many drywall screws and a lesson in how to apply a skip-trowel finish.

132 :06x02 - Using Squares; Brick Paver Patio

Oct/11/2007
Tom Silva explains how to read a builder's square, speed square and combination square and offers tips on where each works best. Then the team tries to identify a device with a long plastic tube and a foam wheel on the end. Finally, Roger helps a city dweller install a brick paver patio, explaining how much material to remove and how to apply the base, sand, bricks and final sand layer.

133 :06x03 - Replace a Closet Flange; Repairing Plaster Wall

Oct/18/2007
Rich Trethewey helps a homeowner with a very cramped bathroom correct a rocking toilet. The problem is that the closet flange to which the toilet bolts has failed; Rich explains how to replace it. The team tries to identify a gizmo with a hydraulic jack, safety chain and four small wheels. Tom Silva visits a home with several severely cracked walls, and demonstrates a new system for reattaching plaster to lathe using a special glue and screws, then demonstrates sealing the cracks with joint compound. Finally, the team presents a viewer's tip: a way to easily see how far you've dug with a post hole digger.

134 :06x04 - Avoiding Water Damage; Uprooting Plants; Epoxy Repairs

Oct/25/2007
Kevin O’Connor notes that floods cause nearly seven hundred million dollars in damage, with an average $8000 claim. Rich Trethewey addresses this by presenting a series of devices to detect and control floods, including wireless shutoff devices for water heaters and hoses the close if they burst. Then the team tries to identify a strange spring-loaded claw-like device. Roger Cook teaches a homeowner how to use a piece of rental equipment and the right sort of chain to pull unwanted plants out of the ground, and Tom Silva demonstrates a new kind of epoxy that can repair rotted exterior wood. It paints, sands and looks like the real deal; Tom recommends it for homeowners unsure they can remove and replace the wood successfully.

135 :06x05 - Unjamming Garbage Disposal; Paint Preparation; Drilling/Notching Joists

Nov/01/2007
Rich Trethewey visits a couple with a badly jammed garbage disposal; he explains how these machines work and demonstrates how to clear jams. Tom Silva brings a “T” shaped gizmo and asks “What is It?” Kevin meets with a painting contractor who explains why cross-grain cracks aren’t always a bad thing, and teaches Kevin how to prepare surfaces for new paint. Rich and Tom both demonstrate the right – and wrong – ways to drill through joists for plumbing and wire. Joists are structural members of a house – drilling them poorly can lead to serious problems.

136 :06x06 - Removing Tree; Interior Door Trim

Nov/08/2007
Roger calls in Matt Foti to evaluate and remove a damaged red maple. Improper pruning left the tree with significantly rotted heartwood, and its V-shape posed additional problems; it had to go. The crew tries to identify a plastic sheet connected to a wire. Tom shows a homeowner how to measure an existing molding, match it at a millwork shop, and build a new molding. Tom finds it easier to build most of the molding on the floor and then mount it on the wall. Along the way, he demonstrates the profile gauge, a tool for tracing existing moldings.

137 :06x07 - Replacement Windows; Water Heater Efficiency; Home Energy Audit

Nov/15/2007
Tom visits a homeowner with leaky windows. Discovering single pane windows that fit poorly, he and the homeowner agree to replace the window. Tom shows her how to measure the window opening, remove the old windows and install new ones, including ensuring the new windows are square and caulking then properly. Richard explains that the water heater consumes a large amount of energy in the home, and shows how to adjust them. He then discusses insulating hot water pipes, new shower heads and “instant” hot water heaters versus the older storage models. Kevin finishes the show with an energy audit. Drawing on the expertise of Paul Scheckel, he shows how to discover whether duct work is efficient and what to do if it is not: mastic for large and irregular gaps and foil-backed tape for other seams. Then he discusses controlling electrical usage with compact fluorescent bulbs, efficient appliances and master switches for greedy electronics.
Director: David Vos

138 :06x08 - Improving Backyard; Space Heaters; Preventing Fan Condensation

Nov/22/2007
Roger Cook helps a family improve their mostly shaded backyard, adding a soft mulch area for the kids to play, a base of small stones for a patio, and a patch of grass where they get a sliver of sunlight. Back in the loft, Rich demonstrates an array of portable heaters for the folks whose heating systems need “a little extra kick.” “What Is It?” presents a blue plastic device with a right handle, a handle, and a magnet. Finally, Tom visits a homeowner whose bathroom fan dribbles water on him during the winter. Diagnosing this as a condensation problem, Tom goes into the man’s attic and shows how to properly insulate the fan’s exhaust so that condensation will not occur.
Director: David Vos

139 :06x09 - Christmas Trees; Safety Equipment; Caulking a Window

Nov/29/2007
Roger visits a Christmas Tree farm where he shows various popular trees, and discusses the life and growth of a tree from a seedling. Back at the loft, he offers tips for a successful tree. What Is It? presents an old tool with a barrel and a spring loaded lever. Rich presents safety equipment for eyes, ears and lungs, and Tom helps a Florida man seal a window that lets in water during driving rains, showing him how to prepare and caulk a seam.
Director: David Vos

140 :06x10 - Diverting Storm Runoff; Refinishing Wood Floor

Dec/06/2007
Roger goes to Portland, Oregon to help a woman who has a water problem to deal with: storm water. Portland’s sewer system overflows during the winter wet season. Their answer is to disconnect home gutters from the sewer and redirect that water to the ground. Roger helps by designing and installing a rain garden. What Is It? presents a two handled red plastic tool with metal parts inside. Then Tom visits a lady whose kitchen looks terrible – a poorly applied hardwood floor finish has failed. He shows her, from prep to final coat, how to finish hardwood properly.
Director: David Vos

141 :06x11 - Bluestone Steps; Installing a Propane Stove

Dec/13/2007
Landscaping contractor Roger Cook replaces the cracked flagstone on a set of front steps with bluestone. Then Roger, along with host Kevin O'Connor, general contractor Tom Silva, and plumbing and heating expert Richard Trethewey ask, "What is it?" Then, Richard visits a serious cook and helps her replace her old electric stove with a new gas range.

Source: PBS

142 :06x12 - Determining Grade; Looking Inside Walls; Leaky Bathtub Stopper

Dec/20/2007
Roger levels with the viewers – he offers three ways to find a level when working outside, a string line, a water level, and a laser level. Inside, Tom explains how to use a water level to precisely position a new window relative to an old one. What Is It explores a strange spring-like device with a rubber handle. A viewer writes in, wanting to know how to tell whether wires or pipes are behind a wall. Tom shares some of the techniques experience has taught him, and then he and Rich offer various increasingly pricey gadgets designed to examine walls. Rich closes out the episode visiting a homeowner who can’t keep water in his tub, showing how to adjust the trip lever and plunger in the drain pipe so that it achieves a proper seal.
Director: David Vos

143 :06x13 - Vinyl Fence; Epoxy Coating

Dec/27/2007
Roger Cook and fencing contractor Mike McLaughlin help a homeowner install a vinyl fence that won't completely seal off his backyard but will give his kids some privacy when they play. He wanted a maintenance free fence, and the vinyl solution offers that convenience. Kevin travels to Omaha, Nebraska where he helps a homeowner rehabilitate his garage floor with an epoxy coating that dresses it up and protects it from many common garage hazards.
Director: David Vos

144 :06x14 - Thermostatic Radiator Valves; Making a Refrigerator Fit

Jan/03/2008
Rich visits a homeowner whose forced hot water heater works well on the first floor, but overheats the second floor. He offers her special thermostatic inflow valves for each radiator that make each second floor room effectively its own zone. Tom offers a strange gadget that looks like a press on What Is It? Then he visits a couple whose refrigerator is just a quarter inch too big for the opening where they wish to install it. He show them how to remove the wallboard and replace it with thinner Masonite to recover some width. Finally, Kevin shares a viewer tip for storing bungee cords.
Director: David Vos

145 :06x15 - Smelly Dishwasher; Transplanting Rosebush; Changing Saw Blade

Jan/10/2008
Rich visits a homeowner who has coped with a smelly dishwasher since moving in six months earlier. The problem is likely the drain hose. The team tries to identify a spring loaded metal contraption. Roger visits a woman in Iowa whose “attack rose” is in a bad spot, and helps her move it to a better location. Tom offers tips on how to replace the blade of a portable power saw.
Director: David Vos

146 :06x16 - Leaky Skylight; Three-Way Light Switch

Jan/17/2008
Tom Silva helps a family with a leaky skylight, starting with a discussion of how to discover the real source of the problem. Having determined that the skylight itself needed replacement, Tom shows how to carefully handle the shingles, remove the old unit, and install a new unit. “What Is It?” presents a strange looking device like a robot mouse, and offers a chance for the crew to rib Norm Abram. Kevin has a three-way light switch that won't properly control the light. He brings in electrician Peg Preble to explain how three-way switches work, diagnose his problem, and repair the switch.
Director: David Vos

147 :06x17 - Improving Lawn; Water Supply Piping

Jan/24/2008
Roger flies all the way across the country, to a suburb of Portland, Oregon, where he meets a homeowner with a distressed lawn. With lab results, some effort and some knowhow, he puts her on the path to a much nicer look. The team tries to identify Tom's offering, a metal post with a strange, spring-loaded cylinder. Rich and Kevin visit the home center, where Rich explains the options for water supply pipe, from galvanized steel (that exited the stage around World War II) to PEX, the newest and perhaps best answer.
Director: David Vos

148 :06x18 - Water Softener; Fiber Cement Shingle Siding

Jan/31/2008
Homeowners in Phoenix, Arizona face a hard water problem – not the kind of hard water Roger prefers (ice) but mineral rich water that clogs plumbing, inhibits sudsing and leaves nasty deposits everywhere. Rich flies out to oversee the installation of a water softener, and discusses exactly how this technology removes unwanted minerals from the water. Closer to home, Tom helps a man who has built a storage shed apply cementitious siding shingles to it, showing how to achieve a professional look and how to avoid common installation errors that lead to breaking, rotting, and other premature failures.
Director: David Vos

149 :06x19 - Attic Insulation; Landscape Lighting; Kitchen Faucet

Feb/07/2008
General contractor Tom Silva shows a homeowner how to save energy and money by increasing the insulation in his attic. Then, landscaping contractor Roger Cook makes a dark walkway safer by adding low-voltage landscape lighting. Afterward, plumbing and heating expert Richard Trethewey helps a homeowner replace her old kitchen faucet.

Source: PBS

150 :06x20 - PVC Soccer Goal; Stilts; Sandbox

Feb/14/2008
It is the 150th episode, and to celebrate it, the Ask This Old House team creates three projects suitable for parents and children to build together. First, Rich shows a pair of kids how to make a soccer goal from PVC pipe and deer netting. Then Tom shows another pair how to make stilts. Finally, Roger helps four kids create some “fossils” and a sandbox from which to “excavate” them.
Director: David Vos

151 :06x21 - Installing an Old Lockset In a New Door; Installing a Pellet Stove; Gasoline-free Lawn Mowers

Feb/21/2008
Tom begins by showing viewers how to machine a door to receive an older style lockset. Many renovators are cleaning and reusing these locksets. Then Rich visits a homeowner who wants a new pellet stove; he and stove expert Rob Dardano help her with that project. Finally, Kevin and Roger discuss various lawnmowers that do not require gasoline, including electric and manual models.
Director: David Vos

152 :06x22 - Granite Steps; Keyless Deadbolts; Replacing Polybutylene Pipe

Feb/28/2008
Roger visits a New England homeowner with a set of dangerous outside steps, and helps him replace them with solid granite steps that are safer and more durable. Kevin returns from “lock school” and shows Tom the latest in deadbolts. This includes locks that support keyless entrance by numeric code or fingerprint, and locks that can be “retrained” to accept new keys, allowing a homeowner to re-key the lock in under a minute. Rich travels south to Raleigh, North Carolina where he meets a homeowner with a serious problem: all of the polybutylene piping in his home has failed and must be replaced. Fortunately, there are end-to-end contractors that specialize in this work.
Director: David Vos

153 :06x23 - Overseeding a Lawn; Preparing a Home For Sale; Fixing a Leaky Bathroom

Mar/06/2008
Roger and Kevin help a homeowner fix are lawn plagued by numerous problems: a dog, excessive shade and a fungus disease. That work involves a machine that does the whole job in a few passes. A viewer shares a tip for driving nails in hard to reach places. Realtor Rob Schwartz offers some tips on how to prepare a home for sale. His idea? Spend a few thousand to boost the curb appeal and brighten the inside rather than thousands in renovations. Finally, Rich helps a homeowner with a water-stained ceiling. Often, fixing the leak is much easier than finding the leak.
Director: David Vos

154 :06x24 - Tribute to Joe Ferrante

Mar/13/2008
Near the end of a workday at the Newton Project House during the twenty-seventh season of This Old House, long time tile setter Joe Ferrante passed away. To honor him, the producers and experts of Ask This Old House collect three of his appearances from this series into this retrospective. Joe helps a man replace some tile in his bathroom, offers tips on how to cut and shape tile, and helps a man replace a kitchen backsplash. Around this, his teammates Rich Trethewey, Tom Silva, Roger Cook and Kevin O'Connor remember him.
Director: David Vos

155 :06x25 - Pressure Reducing Valve; Choosing Grass Seed

Mar/20/2008
The show starts with Rich, who visits a homeowner with serious water pressure problems – too much pressure! Rich explains how to diagnose the problem and installs a special valve to correct it. Then Roger brings in an expert to answer the many questions he has received about what kind of grass to grow and how to care for it. The team tries to puzzle out Tom's offering on “What Is It?” and Tom visits a man who has had some problems “coping.” Specifically, he has a problem trying to finish some crown molding. Tom's able to set him straight.
Director: David Vos

156 :06x26 - Rebuilding a Toilet Tank; Lawn Watering; Building a Simple Bookcase

Mar/27/2008
In the final episode of season 6, Rich explains how to dismantle and rebuild the working parts of a toilet. For about $20, its worth replacing all the parts if you must find and fix a leak. Roger discusses how to water a lawn properly, and demonstrates how several kinds of sprinklers can help do that job. Tom finishes the show by building a simple bookcase that anyone can make with just a few tools, some plywood, and expertise borrowed from Tom.
Director: David Vos

Season 7

157 :07x01 - Collapsing Garage Roof; Installing a Dry Well

Oct/04/2008
The seventh season opener tackles two projects. Tom visits a homeowner who has discovered that a garage support beam has rotted. The weight of the roof now rests on the tracks in which the door wheels ride – certainly, a problem that needs to be fixed and that Tom can help her fix. Then the team tries to figure out “What Is It?” Finally, Roger visits a family that has a serious water problem in their yard because their sump pump runs continually. There's nothing wrong with the pump – they have a lot of water beneath their home. So Roger helps them install a dry well to keep the water away from their foundation and allow their lawn to dry.
Director: David Vos

158 :07x02 - Mature Tree; Noisy Heating System

Oct/11/2008
Landscaping contractor Roger Cook shows a pair of homeowners how to transplant a large, mature tree to their front yard. Then Roger, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey and general contractor Tom Silva ask, "What is it?" Then, Richard helps two homeowners sleep better at night by quieting their noisy heating system.

Source: PBS

158 :07x03 - Pendant Lighting; Care for Succulents

Oct/18/2008
Host Kevin O'Connor travels to Nashville, Tennessee, where he helps a pair of homeowners brighten up their kitchen with some new pendant lighting. Then, up in the loft, houseplant expert Carrie Kelly shows Roger how to care for cactus plants and other succulents.

Source: PBS

159 :07x04 - Damaged Lawn; Curved Stair Molding

Oct/25/2008
Landscaping contractor Roger Cook helps two homeowners repair the damage done to their lawn when a new well was installed. Then Roger, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor ask, "What is it?" Then, Tom shows a homeowner how to make a piece of curved stair molding with some red oak and a few simple power tools.

Source: PBS

160 :07x05 - Increasing Water Pressure; Transplanting a Bush

Nov/01/2008
Landscaping contractor Roger Cook helps a homeowner transplant a giant Rhododendron bush. Then Roger, along with plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O’Connor ask, "What is it?" Then, Richard helps a homeowner increase his water pressure with an electric water pressure booster.

Source: PBS

165 :07x10 - Installing a Whole-House Water Filter; Repairing Rubber Roof

Dec/06/2008
Plumbing & heating expert Richard Trethewey heads to Indianapolis to help a pair of homeowners install a whole-house water filter. Then Richard, along with general contractor Tom Silva, landscaping contractor Roger Cook, and host Kevin O'Connor ask, "What is it?" Then Tom helps a homeowner repair a hole in a rubber roof and Richard shares a viewer tip for cutting PVC pipe without a saw.

Source: PBS

190 :08x09 - Organic Lawn Care; Re-routing Bathroom Fan

Dec/05/2009
Roger discusses organic lawn care and provides a recipe for nutrient rich "compost tea". Tom helps a homeowner correct a mold problem by moving a bathroom vent to the roof, where it can discharge without causing mildew. The crew guesses about "Tiger Tacos", plastic devices that hold the flaps of a box open, making packing easier.

191 :08x10 - Installing Stone Veneer; Retrofitting HVAC Ducts

Dec/12/2009
Roger helps a homeowner install quartz veneer to cover a concrete retaining wall. The crew guesses "What Is It?" until Roger revealed that week's device to be an attachment for a saw that shakes paint. Richard and Kevin visit an attic, where Richard explains how one might build zones by installing dampers in HVAC ducting. A viewer offers a tip: use the outer sheathing from electrical power cabling (Romex type) to replace a missing or clogged applicator tube on a can of insulating foam.

192 :08x11 - Building Laminate Kitchen Countertops; Installing Steel Edging

Dec/19/2009
Tom replaced a homeowner's damaged countertop with new countertop, explaining how to cut and scribe a plywood substrate and glue on a laminate top. In the "What Is It?" segment he demonstrated a robot pool cleaner. Roger helped a homeowner install steel edging to keep grass out of a plant bed.

193 :08x12 - Concealing Retaining Walls; Quieting PVC Plumbing Vents

Dec/26/2009
Roger helped a homeowner cover an ugly concrete wall with vines, showing how to attach a trellis to support them. On "What Is It?" he demonstrated a tool for removing invasive brush and plants by their roots. In the loft, Tom showed Kevin how to make and install Z-flashing using various materials and tools. Richard found and corrected a noisy vent pipe in a homeowner's attic.

194 :08x13 - Fixing Broken Water Softener; Repairing and Preventing Deer Damage in Home Garden

Jan/02/2010
Richard visits a Florida home where a failed water softener has allowed plastic beads to flush into the plumbing and cause clogs. He also demonstrated a self-cleaning cat box during the "What Is It?" segment. Roger helped a homeowner protect plants for the winter with deer netting and stakes.

294 :12x16 - Installing a Clawfoot Tub With Shower; Installing a Permanent Fire Escape Ladder in a Bedroom

Feb/22/2014
This episode teaches how install a clawfoot bathtub complete with a shower and how to install a permanent fire escape ladder in a bedroom.

298 :12x20 - Planting a Low-Cost Privacy Screen; Sealing Ductwork From the Inside

Mar/22/2014
Roger plants a privacy screen. Tom demonstrates speed squares. Richard seals ductwork.

Source: PBS

300 :12x22 - Celebrating 300 Episodes

Apr/05/2014
To celebrate 300 episodes, the guys look back at some of their best moments.

Source: PBS

301 :12x23 - Building a Simple Table; Getting Rid of Tree Stumps

Apr/12/2014
A table is built from solid fir and Kevin works with a wood-finishing expert to stain and finish it.

Source: WPT PBS

Season 13

305 :13x01 - Season 13, Episode 1

Oct/04/2014
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306 :13x02 - Season 13, Episode 2

Oct/11/2014
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307 :13x03 - Season 13, Episode 3

Oct/18/2014
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308 :13x04 - Season 13, Episode 3

Oct/25/2014
In this special episode, the guys tackle practical solutions for drought. Richard and Kevin open the show at Lake Mead, the largest reservoir in the country that's only at 40 percent capacity. Roger visits Las Vegas to replace a water-guzzling lawn with a desert appropriate alternative. Kevin meets with meteorologist Jim Cantore to hear cautionary tales from the front lines of the drought. And Richard travels to San Francisco to replace an old-fashioned toilet with a new "water sense".

Source: PBS

309 :13x05 - Season 13, Episode 5

Nov/01/2014
Tom teaches a homeowner how to repair some structural problems in his home. Electrician Scott Caron helps a homeowner run wiring for a new ceiling fixture and switch in a living room. And the guys ask, "What is it?"

Source: PBS

310 :13x06 - Season 13, Episode 6

Nov/08/2014
Richard travels to Kansas City to sample some unique barbeque and help a homeowner install a natural gas line for a new grill. Kevin, along with Roger, Richard and Tom, asks "What is it?" Afterward, Roger shares some tips on what grows best in the shade and Tom helps a homeowner hang a heavy, decorative mirror on a masonry chimney.

Source: PBS

311 :13x07 - Season 13, Episode 7

Nov/15/2014
Roger learns from a beekeeper how to set up a beehive for a homeowner. The guys ask, "What is it?" Afterward, electrician Scott Caron adds lighting to a dark kitchen without having to run any new wiring.

Source: PBS

312 :13x08 - Season 13, Episode 8

Nov/22/2014
Roger follows up with a beekeeper regarding honey harvesting. Then, Kevin, Roger, Richard and Tom ask, "What is it?" Afterward, electrician Scott Caron adds outlets to a homeowner's home.

Source: PBS

313 :13x09 - Season 13, Episode 9

Nov/29/2014
In this special episode, the guys tackle practical solutions for drought. Richard and Kevin open the show at Lake Mead, the largest reservoir in the country that's only at 40 percent capacity. Roger visits Las Vegas to replace a water-guzzling lawn with a desert appropriate alternative. Kevin meets with meteorologist Jim Cantore to hear cautionary tales from the front lines of the drought. And Richard travels to San Francisco to replace an old-fashioned toilet with a new "water sense" solution.

Source: PBS
Warning: Ask This Old House guide may contain spoilers
Classification: Reality
Genre: Housing/Building | How To/Do It Yourself
Status: Returning Series
Network: PBS ( USA)
Airs: Saturdays at 02:00 pm
Runtime: 30 Minutes
Premiere: October 10, 2002
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