Season 7 - Ask This Old House Episodes

Tom prepares a shower enclosure for tile using a new type of waterproofing system, the guys ask "What is it?" and Roger helps install a privacy screen using bushes and a decorative flower garden.

Richard repairs a leaking PVC drain trap underneath a kitchen sink, the guys ask: "What is it?", Tom installs a new, bamboo "floating" floor and Roger shows how to clean roof gutters without a ladder.

Kevin helps a homeowner install a new bathroom ventilation fan, the guys ask "What is it?" and Roger shows homeowners how to care for their lawn without using chemicals or pesticides.

Tom Silva helps a homeowner install a new garage door. Then Richard Trethewey shows a homeowner how to "winterize" his plumbing to prevent frozen pipes when the house is unoccupied.

Tom prepares concrete basement walls for finished wallboard. Richard shows Kevin how to tie a few basic knots, the guys ask "What is it?" and Roger demonstrates how to care for storm-damaged trees.

Richard helps a homeowner install a new type of "zoning" control for her forced-air heating and cooling system, the guys ask "What is it?" and Tom helps re-grout a homeowner’s bathroom tile floor.

Richard helps a homeowner install a new "dual flush" water-saving toilet, the guys ask, "What is it?" and Roger and Kevin head install an in-ground sprinkler system any homeowner can install.

Our "kids" episode features projects parents and kids can build together! A raised bed for growing vegetables, an indoor mini-golf course and a model rocket launcher using commonly available items.

Richard helps a homeowner quiet his banging pipes by installing a water hammer shock suppressor, then the guys ask "What is it?" and Tom and Kevin install a pre-hung fiberglass exterior door.

Roger shows a homeowner how to prune a neglected crabapple tree properly, the guys ask, "What is it?" Later, Richard helps a homeowner install a new "anti-scald" shower-mixing valve.

Tom cleans, stains and seals a mahogany backyard deck, the guys ask "What is it?", Kevin prevents sewage backup in a basement with a flood control system. Tom shows how to remove wood from a hole saw.

Richard helps convert a claw foot bathtub into a shower, the guys ask, "What is it?", Tom shows how to use different types of "fillers" for wood and PVC and Roger installs a solar-powered fountain.

Kevin and expert painter Rich O'Neil show how to prepare and paint oak kitchen cabinets. Tom Silva visits Connecticut homeowners in need of organization solutions for their cluttered cabinets.

Roger fixes a sagging wooden gate, the guys ask "What is it?", Tom replaces drafty basement windows with energy-efficient ones and Tom and Richard show how to use different types of foam insulation.

Richard replaces a tank-type water heater with a new "tankless" unit, the guys ask "What is it?", Roger levels a sagging concrete walkway by "mudjacking," and Tom shows how to remove hammer dents.

Roger helps homeowners break apart and remove a large boulder, the guys ask "What is it?", Richard fixes loose pipes inside a shower wall and Tom shares a tip for getting a secure grip on a hammer.

General contractor Tom Silva helps a homeowner repair a very dangerous deck, the guys ask "What is it?" and Roger helps a homeowner with a hydrangea bush that won't flower.

Richard helps install a whole-house water filter. The guys ask, "What is it?", Tom helps a homeowner repair a hole in a rubber roof and Richard shares a tip for cutting PVC pipe without a saw.

Roger helps homeowners build a retaining wall using pressure-treated timbers. The guys ask, "What is it?" then Richard has an easy fix for a kitchen faucet that is making a loud, shuddering sound.

Tom seals openings around doors, windows, and penetrations into a house. Richard reduces heating costs by installing a weather-responsive boiler control. Tom cools things with a whole-house fan.

Tom shows Kevin how to repair damaged laminate countertops. Roger rebuilds a brick walkway. The guys ask, "What is it?" and then Richard shows different types of filters for forced-air HVAC systems.

Roger transplants a giant Rhododendron bush. The guys ask, "What is it?" and then, Richard helps a homeowner increase water pressure with an electric water-pressure booster.

Roger helps repair damage done to a lawn when a new well was installed. The guys ask "What is it?" and Tom shows a homeowner how to make curved stair molding with red oak and simple power tools.

Kevin travels to Nashville, Tennessee, where he helps brighten up a kitchen with new pendant lighting. Then, houseplant expert Carrie Kelly shows Roger how to care for cacti and other succulents.

Roger shows how to transplant a large, mature tree, the guys ask, "What is it?" then, Richard helps two homeowners sleep better at night by quieting their noisy heating system.

Ask This Old House kicks off its 7th season on PBS. Tom Silva prevents a garage roof from collapsing, the guys ask, "What is it?" and Roger helps two homeowners dry out their basement.