GAF 200 Sq. ft. WeatherWatch Granular Surfaced Roof Leak Barrier Roll

Film surface link barrier with special adhesive for one-time repositioning but aggressively adheres over time. Unique film surface pattern improves footing even in hot weather. Self seals around nails or metal roofing fasteners. Split back release filmpeels off in layers for faster installation and greater homeowner value. Fiberglass reinforcement helps resist wrinkling and buckling. Lays flatter under shingles. Design to withstand high metal roof temperatures and will not melt or flow. Can be exposedfor up to 60 days if necessary.