Wall Insulation
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Air-Sealing and Insulating an Existing Wall
What are the most effective air-sealing strategies and best insulation types for minimizing airflow through a north-facing wall?
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Five Rules for Wall Design
A few principles to guide designers of high-performance homes
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Insulating a New House
An owner-builder looks for advice on the best way to insulate exterior walls in a new build in Ontario
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Installing Closed-Cell Spray Foam Between Studs is a Waste
Why open-cell foam makes more sense than closed-cell foam between studs
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Getting to Know Spider Insulation
Spray-applied fiberglass insulation offers huge benefits over fiberglass batts and even has some advantages over cellulose
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Does More Wall Insulation Reduce Cooling Costs?
Yes, a little — but way less than you think
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Building in Japan
Cutting edge energy-efficient designs are hard to find — and poorly insulated walls are the norm
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The Flash-and-Batt Method
This oddly illicit-sounding insulation system is becoming more common
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Insulating Stud Cavities in Existing Homes
Should you choose cellulose, blown-in fiberglass, or injection foam?