ceiling air leaks
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Ceiling Light Fixtures—Have We Traded One Problem for Another?
Recessed cans (also called pot lights) have given way to disk lights, but some installation errors are causing problems
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What Is My Roof Trying to Tell Me?
It's possible the pattern of melting snow suggests that something is amiss with the insulation
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Moldy Roof Sheathing in the Pacific Northwest
In a cool marine climate, vented attics often have mold on the underside of the roof sheathing