Bostik Seal N’ Flex® 1 is a low modulus, one component, Class-A polyurethane sealant. When cured it will form a tough and flexible seal capable of cyclic expansion and compression movement of 100% (+ 50%) of the original installed joint width.
Recommended Uses
Seal N’ Flex® 1 is best suited to insitu concrete and render, brickwork and blockwork, for weatherproof sealing of joints in precast and tilt up panels, and on plasterboard face and paper-lined recessed edges. It can be used internally and externally, and on control and expansion joints in façade work.