3M Fire Barrier Water Tight Silicone Sealants form an effective barrier to fire and water in through penetration firestops. It meets the new *UL water leakage test in accordance with UL 1479. The sealants are available in three formulas to meet a wide range of construction applications and conditions.

• Non-slumping silicone with a UL firestop rating up tot three hours
• Self-leveling silicone with a UL firestop rating up to three hours
• Intumescent silicone with a UL firestop rating up to four hours

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