Yellow Guard premium vapor barriers are waterproofing membranes manufactured using top-quality polyethylene (polyolefin) resins. Husky Yellow Guard vapor barriers are manufactured to be used in contact with soil and granular fill under concrete slabs, beams, and footings, and provide exceptionally low water vapor permeance. Husky Yellow
Guard vapor barriers are manufactured by Poly-America, an industry leader in the manufacture of polyethylene films. PolyAmerica utilizes state-of-the-art processing equipment.