Roof Cement is an asphalt-based one-component ready to use roof and gutter sealant formulated for use in new construction and emergency repairs for leaking roofs. It is engineered to provide exceptional sealing and bonding to dry, damp, and wet surfaces, including underwater applications. It’s water-resistant properties, excellent adhesion, and UV stability make for a durable long lasting watertight repair. BOSS®241 Roof Cement adheres very well on bituminous substrates and is very easy to apply. It has good adhesion to many substrates and has high fluid resistance.