Roloshield Prime SA is a premium roofing underlayment with 45 mil thickness that comes in a 2 square roll weighing 40lbs. Designed to be used under asphalt, metal, tile, slate, and shingles. Roloshield Prime SA protects roofing structures against water from wind-driven rain and ice dams. 

This self-adhering and slip resistant underlayment is contractor friendly, and allows for speedy installations with its split release liner. Roloshield Prime SA is Class A fire rated, code approved with Intertek CCRR and Miami-Dade approvals. The modified bitumen adhesive material performs excellent in both high and low temperatures with a performance range of -40°F to 260°F.