Bostik 915FS Fast Set Strong Polyurethane Sealant for Step Edge/Egress Products

Bostik 915FS™ is a one-component, contractor-grade, fast-setting polyurethane sealant designed for construction applications. It provides smooth application and accommodates dynamic joint movement up to 70% of the original joint size (±35%). When exposed to atmospheric moisture, it cures to form a tough, flexible rubber.

With a toothpaste-like consistency, Bostik 915FS™ maintains stable physical properties over time and under various weather conditions. It performs reliably across a wide temperature range from -40°F to 150°F (-40°C to 66°C). For applications requiring a textured finish, Bostik 916™ or Bostik 2000 Textured™ is recommended.

Bostik 915FS is recommended for use with step edge/egress products.