Gaf Materials 0912000MV Leak Barrier, 1.5 sq.ft. Power Hand Backset Length: 20-3/4"

Backset Length: 20-3/4"

Germinates in 10 to 14 days

Adjustable dial to customize to your pool size

snap-in housing bracket

Gaf Materials 0912000MV Leak Barrier, 1.5 sq.ft. Power Hand Backset Length: 20-3/4"For 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.