Ask This Old House

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Season 7 Show Descriptions

Showing results for "Season 7"
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Episode #726, Season 7 of ATOH
Plumbing and heating expert Richard Trethewey helps a homeowner repair a leaking PVC drain trap underneath his kitchen sink...… more
Episode #725, Season 7 of ATOH
ask this old house episode seven hundred twenty-five of season seven

Original Air Date: Week of 03/19/2009

Host Kevin O'Connor and an electrician help a homeowner install a new ventilation fan in her bathroom. Then Kevin, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey and landscaping contractor Roger Cook ask, "What is it?" Then, Roger shows a pair a homeowners how to care for their lawn without using chemicals or pesticides.

Installing a Bathroom Fan

Kevin and electrician Brian Bergeron helped a homeowner install a new fan in her bathroom. The fan exhausts the humid air created by the shower to the outside of the house. Brian determined that the easiest way to power the fan was to use the electricity from an existing light switch. With the power shut off, he disconnected the light switch. Next, he enlarged the hole in the wall so he could make the existing electrical box bigger to accommodate a separate switch for the fan. Up in the attic, Brian and Kevin drilled a hole through the top of the wall and "fished" new wire for the fan down to the switch box. Downstairs, Brian connected the wire to the new fan switch, which has a built-in timer. Next, Brian cut a hole in the ceiling between two joists and fastened the fan in place. Then, he connected the new wire to the junction box on the fan. Finally, he cut a hole through an exterior wall and installed a louvered vent on the outside. He then installed flexible ducting between the fan and the wall. Later, up in the loft, Tom recommended that for colder climates, it's a good idea to use insulated ducting to prevent condensation inside the duct.

Where to find it?

Electrician: Brian Bergeron
Bergeron Electric
103 Summer Ave.
Reading, MA 01867
(781) 758-4949

Brian installed a new bathroom fan manufactured by:

Panasonic
(866) 292-7292

Brian also installed an electronic timer to control the fan.

Electronic Auto-off Timer (model #EI210WD89)
Manufacturer: Intermatic, Inc.
(815) 675-7000

Insulated flexible ducts and separate duct insulation can be purchased at your local home center.

What is it?

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

Where to find it?

Kevin showed a device used to alert a homeowner when the bathtub has filled with enough water.

Hydroduck Bathtub Level Alarm

Organic Lawn Care

Roger helped a pair of homeowners improve their lawn using organic materials. He started by examining the results of a soil test, which identified the nutrients the lawn needed. Instead of feeding the grass directly, like many synthetic fertilizers do, organic products are designed to improve the quality of the soil itself. Because parts of the existing lawn were thin and bare, Roger first mowed the grass very short and used a power "core aerator" to open up the soil to air, water and nutrients. Next, he top-dressed the entire lawn with compost, which is made of organic matter like decomposed lawn clippings and leaves. After raking in the compost, Roger added pelletized limestone to reduce the acidity of the soil. Finally, Roger added a slow-release type of fertilizer that is made up primarily of chicken manure.

Where to find it?

Roger obtained a soil test prior to performing work on the lawn.

Soil & Plant Tissue Testing Lab
West Experiment Station
University of Massachusetts
Amherst, MA 01003
(413) 545-2311

Roger used lawn fertilizer that has chicken manure as the primary ingredient.

Cockadoodle DOO
Manufacturer: Pure Barnyard, Inc.
(877) 873-6742

Roger used grass seed enhanced with Endophytes, which is a fungus that lives inside the grass and prevents some insect infestations. Several companies make grass seed containing endophytes, including...

Jonathan Green

North Country Organics

Pelletized limestone is available at any home or garden center.

Compost is available at some garden stores and professional landscaping supply centers. Many towns also have a "compost center" and give compost away for free to residents.
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