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3M 10 oz Cartridge 3000 WT Fire Barrier Water Tight Caulk

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Product Details

3M™ Fire Barrier Water Tight Sealant 3000 WT is a gun-grade, intumescent, silicone, elastomeric sealant that cures upon exposure to the atmosphere to form a monolithic flexible firestop seal. Properly installed, this sealant helps control the spread of fire, smoke and noxious gasses before, during and after exposure to fire and exhibits good adhesion to a full range of construction substrates.

  • Re-enterable and repairable fire barrier sealant
  • Continuous seal remains pliable and allows for typical pipe movement
  • Excellent adhesion and weatherability
  • Firestop tested up to 4 hr in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115
  • Intumescent silicone expands when heated
  • High solids formula produces limited shrinkage
  • Offers excellent sealant and caulking properties
  • Sealant helps minimize noise transfer
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