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Season 7 Show Descriptions

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Episode #726, Season 7 of ATOH
ask this old house episonde seven hundred twenty-six of season seven

Original Air Date: Week of 03/26/2009

Plumbing and heating expert Richard Trethewey helps a homeowner repair a leaking PVC drain trap underneath his kitchen sink. Then Richard, along with host Kevin O'Connor, general contractor Tom Silva, and landscaping contractor Roger Cook ask, "What is it?" Next, Tom helps a pair of homeowners install a new bamboo "floating" floor in their basement. Then, up in the loft, Roger shares a viewer tip on how to clean roof gutters without a ladder.

Repairing a leaky PVC drain trap

Richard helped a homeowner repair a leaky drain trap underneath his kitchen sink. The trap was made of PVC, which is a type of plastic pipe used for residential drain systems. Richard determined that the entire trap needed to be removed and replaced. First, Richard removed the trap using a reciprocating saw. Because there were no straight pieces of pipe to cut through, Richard carefully cut between two fittings that were right against each other. Next, he had to remove a small piece of pipe that was glued inside the remaining fitting. To remove it, he used a special cutting tool installed in his electric drill. The tool has a cutter-head that removes the pipe inside the fitting. A guide disk rides inside the pipe, guiding the cutter-head so that it won't damage the fitting. With the small piece of pipe removed, Richard was able to build and install a new PVC trap.

Where to find it?

PVC fittings, pipes, and glue are available at any home center or plumbing supply house.

Richard used a special tool to remove the plastic PVC pipe without damaging the fitting.

RAM BIT Plastic Fitting Saver
Manufacturer: PASCO

What is it?

The guys try to guess the intended purpose of an unusual-looking product.

Where to find it?

Tom showed a wooden device that helps in framing curved walls.

Quick Qurve Plate
Manufacturer: Flex-ability Concepts
866-443-3539

Installing a floating bamboo floor

Tom helped a pair of homeowners install a new, engineered "floating" floor made of bamboo in their finished basement. Bamboo is a type of very fast-growing wood and has become very popular for flooring. This "engineered" flooring has a plywood base and thin veneer of bamboo on top. The flooring also comes pre-finished from the factory and simply clicks together, one panel at a time. Because the floor was being installed in a basement, it needed a "vapor barrier" to prevent moisture in the concrete from damaging the floor. Fortunately, the floor was already covered with interlocking OSB subfloor tiles, which had a built-in plastic vapor barrier. On top of the OSB tiles, Tom stapled a foam underlayment recommended by the flooring manufacturer to help prevent squeaks. With the underlayment in place, Tom began installing the flooring panels, being careful to leave a ¼ inch space around the perimeter of the floor so that the floor will have room to expand and contract with changes in humidity. To help fasten the panels tightly to each other, Tom used a "dead-blow" mallet to gently tap them into position. At the doorway, Tom used an electric flush-cutting saw to undercut the door casings, which allowed for the flooring to slide underneath. Tom also used bamboo thresholds to transition from one room into another. Finally, to cover the gap left around the perimeter of the room, Tom installed "shoe molding" over the gap using headless "pins," driven by a pneumatic nailer and a portable air tank.

Tom installed a floating bamboo floor:

Quick Clic Engineered Bamboo (code #DURCLBAMHC)
Supplier: Lumber Liquidators
800-427-3966

Tom installed shoe molding using a pneumatic pin nailer with a new portable air-supply:

T-FORCE 1000 Work Bottle
Manufacturer: TURANAIR Systems, Inc.

Tom used an electric oscillating tool for undercutting the door casings.

DREMEL Multi-Max™
Manufacturer: Dremel
800-437-3635

Viewer Tip

Kevin and Roger show a viewer tip on how to clean roof gutters using a leaf blower and a few plumbing fittings.

Where to find it?

PVC fittings and rubber couplings are available at any home improvement center or plumbing supply house.
Episode #725, Season 7 of ATOH
Host Kevin O'Connor and an electrician help a homeowner install a new ventilation fan in her bathroom...… more
Episode #724, Season 7 of ATOH
General contractor Tom Silva helps a homeowner install a new garage door...… more
Episode #723, Season 7 of ATOH
General contractor Tom Silva helps a homeowner prepare his concrete basement walls for finished wallboard...… more
Episode #722, Season 7 of ATOH
Plumbing and heating expert Richard Trethewey helps install a new type of "zoning" control for her forced-air heating and cooling system… more
Episode #721, Season 7 of ATOH
Plumbing and heating expert Richard Trethewey helps a homeowner install a new "dual flush" water-saving toilet… more
Episode #720, Season 7 of ATOH
Our annual "kids" episode features family-friendly projects that parents and kids can build together!… more
Episode #719, Season 7 of ATOH
Plumbing and heating expert Richard Trethewey helps a homeowner quiet his banging pipes by installing a water hammer shock suppressor...… more
Episode #718, Season 7 of ATOH
Landscape contractor Roger Cook shows a homeowner how to prune her neglected crabapple tree properly.… more
Episode #717, Season 7 of ATOH
General contractor Tom Silva helps a homeowner clean, stain and seal his mahogany backyard deck… more
Episode #716, Season 7 of ATOH
Plumbing and heating expert Richard Trethewey helps a homeowner convert a claw foot bathtub into a shower… more
Episode #715, Season 7 of ATOH
This special episode is dedicated to making the most out of your existing kitchen cabinets.… more
Episode #714, Season 7 of ATOH
Landscaping contractor Roger Cook helps a homeowner in Charleston, South Carolina fix a sagging wooden gate...… more
Episode #713, Season 7 of ATOH
Plumbing & heating expert Richard Trethewey and host Kevin O'Connor replace an old tank-type water heater with a new, energy-efficient "tankless" unit...… more
Episode #712, Season 7 of ATOH
Landscaping contractor Roger Cook helps a pair of homeowners break apart and remove a large boulder...… more
Episode #711, Season 7 of ATOH
General contractor Tom Silva helps a homeowner repair a very dangerous deck...… more
Episode #710, Season 7 of ATOH
Plumbing & heating expert Richard Trethewey heads to Indianapolis...… more
Episode #709, Season 7 of ATOH
Landscaping contractor Roger Cook helps a pair of homeowners build a retaining wall using pressure-treated timbers...… more
Episode #708, Season 7 of ATOH
General contractor Tom Silva helps a homeowner prepare a shower enclosure for tile using a new type of waterproofing system...… more
Episode #707, Season 7 of ATOH
This episode has many tips for making your home more energy efficient...… more
Episode #706, Season 7 of ATOH
Up in the loft, general contractor Tom Silva shows host Kevin O’Connor how to repair damaged laminate countertops...… more
Episode #705, Season 7 of ATOH
Landscaping contractor Roger Cook helps a homeowner transplant a giant Rhododendron bush...… more
Episode #704, Season 7 of ATOH
Landscaping contractor Roger Cook helps two homeowners repair the damage done to their lawn...… more
Episode #703, Season 7 of ATOH
Host Kevin O'Connor travels to Nashville, where he helps a pair of homeowners brighten up their kitchen. Then...… more
Episode #702, Season 7 of ATOH
Landscaping contractor Roger Cook shows a pair of homeowners how to transplant a large, mature tree to their front yard. Then Roger, along with...… more
Episode #701, Season 7 of ATOH
ATOH kicks off with Tom Silva preventing a garage roof from collapsing by replacing a rotting support post, Then Tom, along with...… more