Major Systems

Radio: Sealing Air Leaks

 Radio: Sealing Air Leaks


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A small crack or one leaky window might not seem like a big problem, but taken together, your home's small drafts can add up to lots of wasted energy dollars.

Listen to ON SEALING AIR LEAKS, or read the text below:

Seal any gaps around electrical outlets, ducts, windows and doors with foam sealants, caulking or weatherstripping.

On the outside of your house, seal with caulking anywhere different materials meet, like between the siding and the chimney, window and door frames and at the foundation. Even small gaps around cables, lighting fixtures, spigots, electrical outlets, dryer vents and air conditioning pipes can add up to big air infiltration problems and compromise your home's thermal efficiency.

To fill large gaps, expandable polyurethane foam works best, but use it sparingly since it can over-expand and it's a greenhouse gas producer as well. Water-based expandable foam works well in small cracks and won't over-expand.

Radio is a newly launched daily radio spot carried on more than 60 stations around the country (and growing). You can get your daily dose here, by listening to-or reading-Bob's 60-second home improvement radio tip of the day.

For more on insulation, consider:

Quick Tip: Proper Insulation is the Key
Locating Air Leaks: Black & Decker's Thermal Heat Detector
Green Homes: Sealing and Insulation