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EERE » BTO » Building America » Solution Center Home » Image Gallery » Right--A heavy polyethylene sheet covers the floor of this crawlspace providing a capillary break and vapor barrier to keep soil gases out of the house.

Right--A heavy polyethylene sheet covers the floor of this crawlspace providing a capillary break and vapor barrier to keep soil gases out of the house.

Right--A heavy polyethylene sheet covers the floor of this crawlspace providing a capillary break and vapor barrier to keep soil gases out of the house.