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3M IC 15WB+ Water Based Fire Barrier Caulk 10 oz

Brand: 3M Mfg#: 98040055091
Product#: 479IC15WB11
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Economical, general-purpose latex-based intumescent firestop sealant.


  • Re-enterable/repairable
  • Firestop tested up to 3 hr in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115
  • Halogen-free
  • Paintable
  • Easy clean up with water
  • FGG/BM system CPVC compatible
  • Sag-resistant
  • Applied with conventional caulking equipment (excellent caulk rate)
  • Fire resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079)
  • Expansive UL-listed and other third-party systems
  • Helps minimize sound transfer
  • Excellent adhesion


  • Brand: 3M
  • Product Line: IC 15WB+
  • Odor/Scent: Pleasant Non-Irritating
  • Hardness: 70
  • Container Size: 10.1 fl oz
  • Temperature Range: 48 deg
  • VOC: Lesser than 2 g/l
  • Standards: ASTM E814 (UL 1479)/E1966 (UL 2079), RoHS Compliant
  • Physical Form: Fluid
  • Color: Light Yellow
  • Specific Gravity: 1.43
  • Flash Point: Greater than 93 deg C
  • Container Type: Cartridge
  • Cure Time: 3 hr
  • Usage: For Caulk Guns, Trowel, Spatula, Pressurized Pumps