Pro Flex® Multi-Purpose Brushable Repair Coating is a single-component, brushable sealer with rubber-like flexibility, designed for many construction, roofing, manufacturing, and industrial applications. Exhibits adhesion to many common construction materials including damp, oily, or dirty surfaces. Withstands water contact immediately after application to stop leaks. Prevents rust on metal surfaces. Mildew resistant. Paintable, resealable. All-weather application. Stays flexible. Crystal clear.