Self-sealing protection for vulnerable areas of the roof against wind-driven rain and ice dams. WeatherWatch® Mineral-Surfaced Leak Barrier is a key part of the GAF Lifetime Roofing System.1 It's eligible for Lifetime limited warranty when used on Lifetime Shingle roofs1 and it's an eligible component of GAF residential enhanced warranties.
Roofs and Roof Accessories: Shingles: Systems
Materials