This premium energy saving formula stays brighter longer. It will seal, protect and reflect solar heat using a proven blend of selected waterproofing asphalts, fibers and high grade leafing aluminum pigments. Forms an excellent adhesive bond with most substrates. Areas immediately under roof will remain approximately 15-20 degrees cooler in summer. In winter, inside heat is reflected back into the building, thus saving energy costs. Dries Silver. Coverage - Metal Surface: 70-100 sq. ft. per gallon. Composition Surface: 40-60 sq. ft. per gallon