3M™ Fire Barrier Sealant CP 25WB+

  • 3M ID B40065441

Firestop tested for through penetration applications up to 4 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115

Applied with conventional caulking equipment with excellent caulk rate

Sag-resistant properties offer clean application as well as strong adhesion

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Highlights
  • Firestop tested for through penetration applications up to 4 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115
  • Applied with conventional caulking equipment with excellent caulk rate
  • Sag-resistant properties offer clean application as well as strong adhesion
  • Water-based and paintable sealant provides easy application and clean-up
  • Sealant is re-enterable and repairable
  • Fire resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079)
  • Sealant helps minimize sound transfer

We formulated this fire sealant to dry and form a monolithic firestop seal that also acts as a barrier to airborne sound transmission. 3M™ Fire Barrier Sealant CP 25WB+ is a red, one-component, gun-grade, latex-based, intumescent firestop sealant. This fire barrier sealant helps control the spread of fire, smoke and noxious gases before, during and after exposure to a fire.

Typical Properties

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Brands 3M™
Composition Acrylic
Fire Rating Up to 4 hours
Fire Resistance Type Intumescent
Hardness 45 Shore A
Maximum Service Temperature (Celsius) 82 ℃
Minimum Service Temperature (Celsius) -28 ℃
Product Type Sealant
STC Rating Up to 54 in a 54 Rated Wall
Smoke Developed Index 0
Water Activated No
Water Tight No
For industrial/occupational use only. Not for consumer sale or use.

3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.