The Self-Leveling Lap Sealant helps create a watertight seal along roof edges, around air vents, vent pipes, air conditioners, and screw heads.Meant for horizontal surfaces.Flexible, waterproof compound.Designed for EPDM rubber, TPO, fiberglass, wood, aluminum, steel or masonry.Can be painted over after outer skin has formed.UV stabilized to prevent deterioration and discoloration.Will not stain or discolor materials or surfaces.Seal Color: White.Formulated for 1/4" and 3/8" bead.Sold as a 10.3-ounce tube.Weight: 0.64 lbs.