Recent content by Swamp Creek

Yes the sheets are polyisocynurate with the black paper facing. Cold winters (Montana) and getting hotter summers (this summer really hot). So this paper facing will provide a vapor barrier? Any problem stacking a couple of layers between the floor, ceiling joist or wall studs? thanks

I have several used sheets of ISO insulation (got for free). I am going to use this material to insulate the floor, walls and ceiling in my wife's she shed. The sheets have a felt paper facing, do the sheets require a vapor barrier? Being used there are a several holes from the fasteners in...