Owens Corning WeatherLock® G Granulated Self-Sealing Ice and Water Barrier 3' x 33.3' (100 sq. ft.)

Owens Corning® WeatherLock® G granulated self-sealing barrier acts as a waterproof barrier in the most vulnerable sections of the roof to create a second line of defense. It allows for proper water flow, preventing damage from ice dams and ultimately protecting interiors under applied areas. WeatherLock® G is engineered with a tri-layer construction to provide excellent performance and peak protection.