RainBuster 700 Polycarbamate Co-Polymer Roofing Sealant is designed specifically for sealing joints and seams in roofing sheet metal applications. It provides ultra-flexibility and powerful adhesion to stay bonded and prevent leaks in the harsh roofing environment. RainBuster 700 Polycarbamate/Copolymer Roofing Sealant offers a high-grade polyurethane formulation designed specifically to perform in the harsh roofing environment. Its premier performance properties make it ideal for creating a permanent watertight seal on vents, coping, downspouts, chimney caps, HVAC, roof jacks, sheet metal flashing and gutters. Leading roofing and sheet metal contractors rely on RainBuster 700 to provide their businesses a differentiator in quality.