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Weather-Stripping Windows with V-Strip
An in-depth window study on six homes compares the effectiveness of plastic vs. metal weatherstripping.
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Greening The Exterior Walls
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Greening the exterior wall systems of residential structures is a complicated process, and it hasn’t been made any easier by the emergence of alternative wall systems. Of ... [continue reading]

Greening Your Home: The Foundation
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Whether you are building homes using foundations made of concrete block, poured concrete, concrete poured into foam insulation forms, precast concrete walls, or some other system, greening these systems ... [continue reading]

Further Wrestling with Recessed-Can Lights
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How do you air seal IC-rated light fixtures that aren't accessible from above? Do the air sealing from below. [continue reading]

Crawlspace Conundrum
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Q. I have a problem with the crawlspace in my home. When the air conditioning is running, I can smell the crawlspace. Is there a good way to keep ... [continue reading]

Make Room for the Caddy
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Since homes continue to be built with attached garages - with no change in sight - builders and contractors need to understand how to minimize the risk of CO poisoning. [continue reading]

Attic Accesses: High Priority or No Big Deal?
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Some calculations answer the question, How much does proper attic access insulation matter? [continue reading]



Scott Donnelly
GreenExpo365 Host
Keeping a home cool in the summer yet warm in the winter is a tough request. The choice of quantity ...


Doug Garrett
Code Conflict Between 2012 IRC and 2012 IECC
It has come to my attention that there may be a building science-based conflict in the language of the 2012 International ...






























