Helps create a seal along a roof's edges, around air vents, vent pipes and screw heads. Compatible with any roofing material. Also offers excellent adhesion to aluminum, mortar, wood, vinyl, galvanized metal and concrete. Improves the ability to continuously seal and remain flexible. Color matched, the lap sealant is UV stabilized to prevent deterioration and discoloration and will not stain or discolor any material to which it is applied. 10.3 oz. tubes. White.