3M™ Fire Barrier Sealant 3000 WT

Ready-to-use, high-performance, single component, neutral cure, silicone firestop that also acts as a barrier to water leakage and airborne sound transmission. Provides up to 4-hour fire protection. Light grey colour with dark flecks, no mixing required. AS1530.4 2014 tests for PEX pipes.

When properly installed, product provides up to 4-hour protection against the spread of fire, smoke and noxious gas in tested and listed systems. 3M™ Fire Barrier Water Tight Sealant 3000 WT meets UL Water Leakage Test, provides acoustic benefits by minimising noise transfer (STC-Rating of 53 when tested in a STC 54-rated wall assembly) and acts as a smoke seal for installations requiring the optional L-Rating. Meets the intent of LEED® VOC environmental regulations.

  • Fire Resistance tested for static construction joint systems
  • Meets UL Water Leakage Test, W Rating - Class 1 requirements
  • Compatible for use with CPVC piping
  • Tested in accordance with ASTM G 21 standard practice for determining resistance of synthetic polymeric materials to fungi
  • L-rated smoke seal
  • Minimises noise transfer (STC-rating of 53 when tested in STC 54-rated wall assembly)
  • Sag-resistant, halogen-free formulation
  • Applied with conventional caulking equipment (excellent adhesion and caulk rate)
  • Excellent weatherability during construction
  • Re-enterable/repairable



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Systems using this product

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  3M™ Fire Barrier Watertight Sealant 3000WT TDS
  3M 3000WT Sealant MSDS
  3M™ Fire Barrier Watertight Sealant 3000WT RIR 45239800.1
  3M™ Fire Barrier Watertight Sealant 3000WT RIR 48815900.1

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