Styrofoam vs fiberglass matt insulation
While I have my camper apart to do some structural repairs, I've been looking at its insulation. its basically 1" stryofoam sheets. My understanding is that the foam sheet isnt as susceptible to ...
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Call a local contractor and ask him who he uses for the spray foam that builders use on homes. It is closed cell, limited expansion and high R rating. Also, water proof so moisture is a non issue. Price is comparable to the closed cell sheets, but provides complete coverage, where the sheet will leave gaps as you cut and fit.
