PROSOCO R-Guard Joint & Seam Filler

PROSOCO R-GUARD JOINT & SEAM FILLER Fiber-reinforced fill coat and seam treatment designed to create smooth transitions and provide flexible reinforcement for fluid-applied flashing membranes, waterproofing, or air barrier components. FEATURES Streamlines Preparation: Eliminates the need for joint reinforcing tapes, saving time and effort. Versatile Application: Bonds and cures in wet weather and on damp substrates, with immediate rain tolerance. Durable Performance: Silane-functional polymer ensures superior long-term adhesion, crack filling, and weather resistance. Environmentally Friendly: Solvent-free, isocyanate-free, phthalate-free, and VOC-compliant. OVERVIEW R-Guard Joint & Seam Filler is a gun-grade crack and joint filler, adhesive, and detailing compound that combines the best properties of silicone and polyurethane. This single-component, fiber-reinforced, silyl-terminated polymer (STP) is easy to gun, spread, and tool. It simplifies surface preparation by elim