Rigid foam under roof sheathing
I put 2" tall strips of 2x4 down on the sheeting 24" apart and placed the rigid insulation between them. ... These include: Beam and block floors. ... spray foam plus 3" loose-fill fiberglass; on exterior - coated OSB sheathing, 2" rigid foam, ... Put on your roofing safety harness and secure the safety rope to the top of the roof. 2.
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teamzindagi's website is teamzindagi.org