This single-component polyurethane formula helps slow the movement of fire and smoke through residential service penetrations. It is UL 1715 Classified and tested to meet ASTM E84 and E814 standards for safety and performance.
Ideal For:
Ideal for indoor and outdoor use, this product seals electrical wiring running through wall studs, as well as service penetrations in walls and between floors, ensuring added protection and efficiency.
