Ask This Old House TV // Season 11 // Episode 20

Ask TOH | Insulating Ducts, Washer/Dryer Maintenance

Plumbing and heating expert Richard Trethewey visits Cortland, Illinois to learn how corn is harvested and stored in a grain elevator. He then helps a nearby homeowner seal and insulate his ductwork. Then, landscape contractor Roger Cook shares advice on proper pruning. Afterward, Richard, Roger, host Kevin O'Connor, and general contractor Tom Silva ask "What Is It?" And, Kevin shows how to maintain clothes washers & dryers.

Plumbing and heating expert Richard Trethewey visits Cortland, Illinois to learn how corn is harvested and stored in a grain elevator. He then helps a nearby homeowner seal and insulate his ductwork. Then, landscape contractor Roger Cook shares advice on proper pruning. Afterward, Richard, Roger, host Kevin O'Connor, and general contractor Tom Silva ask "What Is It?" And, Kevin shows how to maintain clothes washers & dryers.

Sealing and Insulating Ductwork
Richard helps a homeowner insulate his ductwork.

Where to find it?
Expert assistance with this project was provided by .

Additional advice was provided by Air Purchases, Inc.

Richard used mastic paste to seal the joints between ducts, in this case Hard Cast Duct Seal 321 by Carlisle HVAC.

He also used Nashua foil tape designed for sealing ducts, manufactured by Berry Plastics Corporation

Finally, Richard installed Owens Corning 1.5 inch thick fiberglass insulation around the ductwork. This insulation has an FSK foil-facing and provides an R-value of 4.2.

Ask Roger: Proper Pruning
Roger shares his tips for keeping plants neat and healthy.

Where to find it?
Roger demonstrated an 18V cordless hedge trimmer manufactured by Black and Decker, but showed his preferred way to prune is with a pair of bypass hand pruners, which are available at home centers and garden centers.

What Is It?
Richard asks the guys to identify a red tool with two suction cups.

Where to find it?
Richard demonstrated the Simple Sucker cell phone holder, manufactured by Striker.

Maintaining Laundry Appliances
Kevin and an appliance repairman discuss how to maintain clothes washers & dryers.

Where to find it?
Kevin and repairman Richie Isaacson visited the Bay State School of Technology. They offer many courses in appliance repair, electronics, and HVAC technology.

Expert assistance with this segment was provided by Affordable Appliance Repair

Back in the workshop, Richard demonstrated the "LG Smart Washer and DW" app by LG, which can diagnose problems with LG-branded major appliances. This app is available as a free download on iTunes.


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