Protect your roof against the elements with APOC 581 Armor Flash Roof Sealant. Designed to seal flashings, curbs, penetrations, seams, HVAC systems and more, this sealant provides excellent adhesion to most common building materials. Fast and easy to apply, 100% silicone sealant is ideal for the contractor who demands maximum performance. Solvent free polymers are highly flexible and can be used in roofing and waterproofing applications. Coverage varies depending on warranty & term. Follow all directions on label for application. Packaged in a 1-gallon container.