

Black Jack Roof Cement RM-1G is a high-performance one-gallon roof cement that forms a waterproof, tight seal. Ideal for wet or dry surfaces, it is resistant to temperature changes, making it perfect for sealing flashings and roof penetrations. This cement is certified to withstand the elements and warns of Cancer and Reproductive Harm. Installation is quick and easy, and can be done in under 30 minutes with common tools.