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Spaceloft my only option?
Needing to get all the R value I can get in a limited space. From the cob webs you can see that this is an old house. Recently installed Cedar…
Interior plywood for earthquake areas — can it replace a vapor retarder?
We are renovating a 1925 Pacific Northwest house, Everett WA, right on the coast. It is earthquake territory here. So it would be good to keep this house up through…
Unvented slanted roof with radiant cooling and NO polyurethane in 4C
We are in Everett WA, north of Seattle, right on the coast, zone 4C. I hope that our location will save us... We have a low sloping steel, west facing…
Polyisocyanurate insulation — rip off?
Our radiant engineer strongly warned for the use of polyisocyanurate. I see that long term R-value ends up around 5.6. When this is true, why is this not mentioned on…