Whether your roof is large or small, flat or sloped, GacoFlex S20 Series Solvent-Free 100% Silicone Roof Coatings provide a proven, guaranteed solution for renewing your weathered and leaking roof. They can be applied to virtually any existing roof to create a durable, glossy, seamless membrane that seals and protects against permanent ponding water, ultraviolet light and severe weather.

GacoFlex S20 is certified to NSF P151, an independent testing protocol for rainwater catchment systems, and found not to impart contaminants that exceed the U.S. Environmental Protection Agency’s drinking water regulations or advisories.

Brochure Safety Data Sheet Product Data Sheet