Husky® Yellow Guard®, manufactured by Poly-America on state-of-the-art manufacturing equipment with full-time, on-line quality monitoring and routine laboratory testing, restricts migration of soil gases such as radon and methane. Made with virgin polyolefin resins, Husky® Yellow Guard® maintains low water vapor permeance even after exposure to severe field conditions. Our vapor barriers feature outstanding tensile properties, puncture resistance, and excellent resistance to low-temperature brittleness and are available nationwide.