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Foil-faced polyiso on exterior of wall
Climate zone 4, Westchester Co, NY. House is framed plywood, wrapped with Typar drainage, innie windows installed. GC about to install 2” foil faced rigid foam all over exterior. Plan…
ERV for NYC area?
I was all set to get the UltimateAir 200DX erv but then saw the energy consumption. Yikes! It’ll be a dedicated system in a 3000 sq ft house with mini…
Foam sandwich?
MY insulation specialist and contractor say there's nothing to worry about moisture-wise with their 1"foil faced poly-iso on the exterior of plywood sheathing and 4" closed cell foam in between…