Keep minor leaks from becoming major problems with this ready-to-use, high-performance, asphalt-based sealant, ideal for sealing small leaks, patching shingles, and sealing roof penetrations. It provides excellent adhesion and durability to withstand the damaging effects of UV light, temperature extremes, and weathering, which can lead to hardening, cracking, and crumbling. The ROOF Filler & Sealant can be applied to dry or wet substrates, making it perfect for emergency repairs. It forms a long-lasting, waterproof seal that effectively prevents air and moisture infiltration in exterior applications without running or bubbling.