VFI-550+ is a single component, environmentally safe, moisture cured urethane coating. VFI-550+ is used as a protective coating system for use over polyurethane foam, single-ply, metal roofs and built-up roofs to provide weather protection and waterproofing.
Mix VFI-550+ before application to assure uniform color and consistency. VFI-550+ can be applied by brush, roller or spray. Thinning up to 10% by volume is allowed if viscosity increases. For spray applications, thinning is not recommended.