"A couple of issues with that - working around the trusses is a pain for that especially to get everything right & it gets to be real tight real quick. The biggest though is dust settling on the sheets over time which has been shown to reduce the…"
"In new construction, I used to specify TechShield OSB for roof sheating, which adds about 10 cents per sq.ft. of roof (may no longer be accurate). A large study of Energy Star homes in Houston included homes with ducts in the attic, sealed to Energy…"
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This 1950s Montreal house was retrofitted to become a super efficient passive house by adding a 16 inch thick layer of cellulose insulation to the exterior. Maison Ozalée's builder, Richard Price from Construction Le Tournesol, also used triple…