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3M™ Fire Barrier Water Tight Sealant 1000 NS

20 fl. oz., Sausage, 12/case

3M(TM) Fire Barrier Water Tight Silicone Sealant 1000NS 
Product Color(s):Light GrayLight Gray
3M ID 98-0400-5555-4
GTIN(UPC/EAN) 0  00  51115  18790  2 

Product Information:

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. Typically used to firestop items that penetrate fire-rated wall or floor assemblies. Provides up to 3-hour fire protection. Light gray color, no mixing required.

Additional Information
When properly installed, product provides up to 3-hour protection against the spread of fire, smoke and noxious gas in tested and listed systems. 3M™ Fire Barrier Water Tight Sealant 1000 NS meets UL Water Leakage Test, W Rating - Class 1 requirements for systems tested and listed in accordance with ANSI/UL 1479, 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. Meets the intent of LEED® VOC environmental regulations, meets International Building Code (IBC) and other key life safety building code requirements.

Product Document Downloads:

PDF 3M™ Fire Barrier Water Tight Sealant 1000 NS and 1003 SL - MSDS (United States)
PDF 3M™ Fire Barrier Water Tight Sealants 1000 NS and 1003 SL - Data Sheet (PDF 676.2 K)

Key Features:

  • 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
  • Helps minimize sound transfer
  • ± 31% compression/extension capability
  • Applied with conventional caulking equipment (excellent caulk rate)
  • Non-slump, Halogen-free formula
  • Excellent adhesion
  • Excellent weatherability during construction
  • Re-enterable/repairable

  • Typical Applications:

    Typical firestop applications include blank openings, dynamic and static construction joints and through penetrations. Penetrating items that pass through fire-rated assemblies include: metallic pipes, non-metallic pipe, cables, cable tray, insulated pipes and combos.

    Contact 3M Fire Protection Products

    For questions or help finding the right solution, contact an expert at 1-800-328-1687 option 7.

    Contact Fire Protection Products