24 Sep '11, 12am

Rigid Foam in Exterior Walls & Attic #green

Rigid Foam in Exterior Walls & Attic #green

I have to first thank all of the active members. The Q&A forums have been a trove of information as I gut and remodel my Cape Cod. I'm in Western PA in a zone 5 climate. I recently purchased a foreclosed home that my wife and I are living in as we renovate. It is a 1965-built home with 2x4 stud walls and a finished attic with 2x6 (possibly 2x8) rafters. The home was vacant for at least one winter. Ice dams and water leakage have necessitated removal of the old fiberglass insulation and rotten framing around the windows and doors. I have begun the process of stripping the siding, and replacing windows & and framing around the windows where it is rotted. I am considering Rigid Foam insulation in lieu of spray foam (mainly cost). I am considering the foil faced 2" thick rigid foam from DOW, adding more layers to achieve the required R21 in the walls and R38 in the roof insula...

Full article: http://www.greenbuildingadvisor.com/community/forum/energ...

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