Akfix Fire Resistant PU Sealant 310 ml Black P636

Use: For sealing and bonding applications requiring fire resistance. Suitable as a filler between many different construction materials; at joints of prefabricated building elements; for filling and bonding ventilation ducts; for closing working gaps left open between precast concrete blocks in buildings. Features/Performance: - Fire resistance over 240 minutes under certain conditions without support material - 25% movement capability - No surface tack after full cure - Dirt-repellent - Non-shrinking - Does not form bubbles - Improved shelf life - Thixotropic, non-sagging - Easy to apply with a caulking gun - Paintable