Prosoco Joint & Seam Filler | Fluid-Applied, Fiber-Reinforced Joint Filler Adhesive and Detailing Compound - Trusted by Professionals

Features a fluid-applied formulation for versatile use. Fiber-reinforced for enhanced durability and performance. Functions effectively as a building detailing compound. Trusted by professionals for reliable applications. Composed of a single-component silyl-terminated polymer (STP). Designed for ease of gunning, spreading, and tooling. Fills openings and creates transitions where flexible reinforcement is required. Provides continuous support for fluid-applied flashing membranes, waterproofing, or air barrier components. Bonds directly to both damp and dry surfaces. Cures reliably under a variety of weather conditions. Dramatically reduces surface preparation time by eliminating the need for reinforcing tapes at sheathing joints, inside and outside corners. Suitable for use in all climates. Can be integrated as part of a continuous, building-wide air barrier system. Prepares surfaces for conventional waterproofing or air barrier components. Capable of bridging sheathing and penetration gaps up to 1 inch. Maintains integrity when fully exposed to UV and weather for up to 12 months.