Metacaulk® Firestopping Sealants
FlameSafe® FS 4000 Silicone Sealant is a flexible product used to prevent/reduce the spread of fire,
smoke, gases and water. It is designed for firestopping applications for penetrations, construction joints and perimeter (curtain wall) joints. It is offered in two forms, a non-sag caulk, which can be troweled, and a self-leveling grade that can be poured into place in floor applications. Actual installation may vary according to the type of firestop application.