3M™ Fire Barrier Water Tight Sealant 3000 WT

High-performance intumescent silicone achieves the benefits of a firestop and watertight seal.

  • Up to 4-hour fire ratings per ASTM E 814 (UL 1479)
  • Excellent weatherability — ideal for fast-track construction
  • Cures upon exposure to atmospheric humidity
  • Re-enterable and repairable
  • Fungal growth inhibited in the product per ASTM G 21
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