Gaf Materials 0912000MV Leak Barrier, 1.5 sq.ft. BF10 Scratch resistant

Scratch resistant

Moisten (but do not wet to the point of dripping) a soft cloth and rub over the hair

8 (1") spaces

Leak-free valve design

Single-Stage Heating and Cooling Systems

Gaf Materials 0912000MV Leak Barrier, 1.5 sq.ft. BF10 Scratch resistantFor installation under new shingles to prevent leaks from ice build up and wind driven rain. Also for use under shakes or metal roofing. Asphalt composition fortified with rubber (SBS). Flexible and elastic at low temperatures. Top surface coated with sand to provide a safe, non slip working area. Split back release film, self adhering, easy to apply, easy to cut to size. Self sealing around nails. Will not rot or decompose. Meets ASTM D1970; U. L.