HoldRite® HydroFlame™ 300SL FIRESTOP SEALANT

HoldRite® HydroFlame™ 300SL is a gray colored self-leveling silicone firestop sealant designed for areas that are subject to high levels of moisture or when UL listed W ratings are required. HF300SL is a quick curing silicone sealant that can be used on a wide variety of pipe types and does not require any additional tooling once the product is dispensed into the penetration firestop opening. Since it is self-leveling, it is designed to be used in floor applications only.