Somay Roof Mastic is the premier DIY roof coating product that enables you to stop leaks and protect and preserve your house for years to come. With just two coats of paint, the roof coating product prevents leaks, provides protection from ultra-violet sun rays, offers a cooler house, lower electricity bills, and the roof can last indefinitely. The roof coating is made from acrylic resins to retain its flexible, sealing and waterproofing properties.