3M Fire Barrier Water Tight Sealant 1003 SL

Self-leveling, ready-to-use, single component, neutral cure, elastomeric silicone firestop that also acts as a barrier to water leakage and airborne sound transmission. For use in horizontal applications. 3M Fire Barrier Water Tight Sealant 1003 SL provides up to 3-hour fire protection. Light gray color, no mixing required.

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Product Description

3M Fire Barrier Water Tight Sealant 1003 SL benefits:

  • Perimeter Fire Barrier Tested up to 3 hours in accordance with ASTM E 2307
  • Firestop tested up to 3 hours in accordance with ASTM E 814 (UL 1479) & CAN/ULC S115
  • Fire Resistance tested for construction joint systems in accordance with ASTM E 1966 (UL 2079)
  • Meets UL Water Leakage Test, W Rating – Class 1 requirements
  • Compatible for use with CPVC piping
  • 3M Fire Barrier Water Tight Sealant 1003 SL helps minimize sound transfer
  • ± 31% compression/extension capability
  • Applied with conventional caulking equipment (excellent caulk rate)
  • Self-leveling, Halogen-free formula
  • Excellent adhesion
  • Excellent weatherability during construction
  • Re-enterable/repairable

Complete Specs and SDS:

3M Watertight Sealant 1003SL Data Sheet

3M Watertight Sealants Brochure

3M Fire Barrier Water Tight Sealant 1003 SL SDS

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