Through the Roof is the clear, VOC ultra-elastic sealant made to permanently stop and prevent roof leaks. It effectively seals around a variety of roof fixtures without the messy look of asphalt. Plus, Through the Roof won t dry hard and crack like traditional asphalt repair products, and lasts 20 times longer. It expands and contracts with temperature changes, leaving you with a repair that sticks but won t stick out. Conforms to ASTM American Society for Testing and Materials C794. Sticks to surfaces wet or dry, in temperatures down to 0 F and up to 120 F degrees Fahrenheit . Tenacious adhesion to a wide variety of roofing materials and won t discolor them. Goes on crystal clear and stays clear. Through the Roof won t freeze. Adheres to most building materials Metals - Aluminum, brass, steel, copper, and silver Plastics - ABS, vinyl, Lexan, Polycarbonate, PVC, fiberglass, nylon, acrylic sheet plexiglass Other surfaces - Asphalt, brick, ceramic tile, concrete, stone, mortar, Stucco, Polyurethane, glass, terra cotta, cement, wood, cloth canvas, Polyisobutylene, EPDM Ethylene Propylene Diene Monomer rubber. Completely paintable after 24 hours. Excellent UV ultraviolet resistance. Limited lifetime warranty.