Separating PVC from Asphalt Roofing Systems with Dave & Wally | GAF Roofing

How do you install PVC roofing over an Asphalt roof? Asphalt and PVC are not compatible and lead to plasticizer migration. The video discusses options for effective roofing overlays including polymat as a separation layer of using a fleeceback PVC sheet.

Watch our whole 10 Part PVC Roofing How To Series with Dave and Wally:
Part 1: Introduction to PVC Membrane:
Part 2: PVC Accessories:
Part 3: Standard vs. KEE PVC
Part 4: Adhesives for PVC
Part 5: PVC Roofing Details
Part 6: Hand Welding PVC
Part 7: Welding PVC Accessories
Part 8: Robot Test Welds on PVC
Part 9: Separating PVC from Asphalt Roofing Systems
Part 10: PVC Compatibility Issues

More homes and businesses in the U.S. are protected by a GAF roof than by any other product. We are the leading roofing manufacturer in North America, with plants strategically located across the U.S. As a Standard Industries company, GAF is part of the largest roofing and waterproofing business in the world. Connect with us:

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