Helps creates a watertight seal along the roof's edges, around air vents, vent pipes, air conditioners, and screw heads. Compatible with EPDM sheeting, it offers excellent adhesion to aluminum, mortar, wood, vinyl, galvanized metal, and concrete. It improves the ability to continuously seal and remain flexible. Color matched, it is UV stabilized to and discoloration and will not stain or discolor any material to which it is applied. 10.3 ounce tubes, White.