Dual Pro is a self-adhered waterproofing membrane. The advanced modified asphalt compounds are reinforced with a fiberglass mat. Dual Pro also has a high strength polyester fabric on the upper surface making it a high temperature underlayment ideally suited for metal roof and tile applications.
Dual Pro underlayments are manufactured with an aggressive self-adhesive bottom compound, using a patented Dual-Compound Technology, protected by an easily removed split-release film. Dual Pro also features SEALLap®, a patented factory applied adhesive treatment that provides improved product performance at the overlaps.