The HoldRite HydroFlame silicone firestop sealant is self-leveling and designed for floor applications subject to high levels of moisture or when UL-listed W ratings are required. This quick-curing FBC system-compatible sealant can be used on a wide variety of pipe types, and doesn’t require any additional tooling once the product is dispensed into the penetration firestop opening. Also available in caulk-grade silicone variety for wall applications.