HoldRite Firestop Self Leveling Sealant 20 Ounce

HF300SL is a grey 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 product is dispensed into the penetration firestop opening. Since it is self leveling, it is only designed to be used in floor applications only.