All resins, additives, and concentrates for use in Husky® Yellow Guard® vapor barriers must pass Poly-America’s stringent raw material specifications. Husky® Yellow Guard® vapor barrier is manufactured with constant process-control monitoring and is routinely tested in Poly-America’s state-of-the-art laboratory during and after production.
In addition, Husky® Yellow Guard® vapor barrier has been tested by accredited independent laboratory TRI Environmental, Inc. to ensure that it meets ASTM E 1745 Class A, B, and C specifications.