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Vacation Notice: Orders placed between June 15 and June 25 will be processed on June 26th, 2026. Thank you for your patience and understanding.
Vacation Notice: Orders placed between June 15 and June 25 will be processed on June 26th, 2026. Thank you for your patience and understanding.

3M Fire Barrier Water Tight Sealant, 1000 NS, 10.1 fl. Oz (Sold as a case)

by 3M
Save 28%
Original price $546.00
Current price $392.40

3M Fire Barrier Water Tight Sealant, 1000 NS, 10.1 fl. Oz (Sold as a case of 12 )

The 3M™ Fire Barrier Water Tight Sealant 1000 NS is a non-slump, ready-to-use, single component, neutral cure, elastomeric silicone firestop that also acts as a barrier to water leakage and airborne sound transmission.

The 3M™ Fire Barrier Water Tight Sealant 1000 NS is typically used to firestop items that penetrate fire-rated wall or floor assemblies. When properly installed, product provides up to 3 hours of protection against the spread of fire, smoke and noxious gas in tested and listed systems. This 3M™ sealant meets UL Water Leakage Test, W Rating - Class 1 requirements for systems tested and listed in accordance with ANSI/UL 1479 & CAN/ULC S115, provides acoustic benefits by minimizing noise transfer (STC-Rating of 56 when tested in a STC 56-rated wall assembly) and acts as a smoke seal for installations requiring the optional L-Rating. It also meets the intent of LEED® green building program credits VOC environmental regulations, meets International Building Code (IBC) and other key life safety building code requirements.

  • Perimeter Fire Barrier Tested up to 3 hours in accordance with ASTM E 2307
  • Excellent adhesion
  • Excellent weatherability during construction
  • Re-enterable/repairable
  • No mixing required
  • Firestop tested up to 3 hours in accordance with ASTM E 814 (UL 1479) and 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
  • Helps minimize sound transfer
  • ± 31% compression/extension capability
  • Applied with conventional caulking equipment (excellent caulk rate)
  • Non-slump, Halogen-free formula

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