3M Fire Barrier Sealant CP 25W...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$19.75
3M Fire Barrier Sealant CP 25WB+, Red

3M Fire Barrier Sealant CP 25WB+, Red

(No reviews yet) Write a Review

Model: CP-25WB+10.1OZ

In Stock (leaves warehouse same day if ordered before 3pm ET)

$19.75
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

3M Fire Barrier Sealant CP 25WB+ Red 20 fl oz Sausage Pack 4-Hour Fire Rating

Professional Fire Protection Sealant for Through Penetration Applications

3M Fire Barrier Sealant CP 25WB+ delivers reliable fire protection with a 4-hour fire rating for through penetration applications. This red, water-based sealant comes in convenient 20 fl oz sausage packs and offers excellent adhesion properties with sag-resistant performance for clean, professional installations.

Professional Features & Benefits

  • 4-Hour Fire Rating: Provides extended fire protection tested in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115 standards for critical safety applications.
  • 20 fl oz Sausage Pack: Convenient packaging size allows for efficient application and reduced waste on professional jobsites.
  • Sag-Resistant Properties: Maintains position during application and curing, ensuring clean installations and strong adhesion to substrates.
  • Water-Based Formula: Enables easy application and cleanup while providing paintable surface for seamless integration with surrounding construction.
  • Re-enterable Design: Allows for future modifications and repairs without complete removal, supporting ongoing maintenance requirements.
  • Smoke Seal Capability: Provides additional protection against smoke transmission in fire-rated assemblies.

Technical Specifications

  • Color Family Incorporate Product Color: Red
  • Fire Rating: 4 Hour
  • Manufacturer Catalog Number: 7000145569
  • Package Height: 13.00000 in
  • Package Weight: 2.0000 LBS
  • Product Size: 20 Fluid Ounce (US)
  • Smoke Seal: Yes
  • Sound Barrier: 54 in 54
  • Suggested Application 1: Ideal for sealing single or multiple through penetrations in fire-rated construction. Typically use
  • Volume Imperial: 20 fl oz
  • Volume Metric: 591 mL
  • Water Tight: No

Professional Applications

  • Commercial Fire-Rated Construction
  • Multi-Story Building Penetrations
  • Hospital and Healthcare Facilities
  • Educational Institution Safety Systems
  • Industrial Fire Protection
  • Government and Municipal Buildings
  • High-Rise Residential Construction

Why Choose 3M Quality?

3M Fire Barrier Sealant CP 25WB+ represents proven fire protection technology with comprehensive testing compliance and professional-grade performance. The water-based, paintable formula ensures long-term reliability while supporting efficient installation and maintenance practices for demanding commercial applications.

Manufacturer Resources

Product Specs

Water Tight:
No
Color Family Incorporate Product Color:
Red
Fire Rating:
4 Hour
Sound Barrier:
54 in 54
Smoke Seal:
Yes
Department:
Electrical
Product Type:
Fire Barrier Sealant
Product Group:
Jobsite Supplies
Product Subgroup:
Sealants

3M CP-25WB+10.1OZ – Frequently Asked Questions

1) Will 3M CP 25WB+ firestop sealant work for sealing conduit and cable penetrations through a rated wall?
That is exactly what CP 25WB+ is for. It's a water-based intumescent firestop sealant used to seal single or multiple through penetrations in fire-rated construction, carrying a 4-hour fire rating tested to ASTM E 814 (UL 1479) and CAN/ULC S115. The red color makes the treated penetration easy to identify on a walkthrough or inspection.
2) Should I buy the 10.1 oz cartridge or the 20 oz sausage pack of CP 25WB+?
Both are the same CP 25WB+ red sealant. The 10.1 fl oz cartridge (CP-25WB+10.1OZ) fits a standard caulk gun and suits punch-list work and small single-cable or single-conduit penetrations. The 20 fl oz sausage pack (CP-25WB+20OZ, 591 mL) needs a sausage-style barrel gun and is the choice when you're running a floor of penetrations, since there's less waste and fewer reloads.
3) Can I use CP 25WB+ on an exterior or below-grade penetration that may see standing water?
No. CP 25WB+ is not water tight, so keep it to interior, dry penetrations. For a wet location or anywhere the joint could sit in water, specify a firestop product rated watertight instead.
4) If we need to add cable to a sleeve later, do we have to cut out the old firestop?
No. CP 25WB+ is re-enterable, so a facilities crew can open the penetration to pull or add cable and then re-seal it without stripping the whole assembly out. That matters on data and telecom risers where the cable count keeps changing.
5) Does 3M CP 25WB+ seal against smoke as well as fire?
Yes, CP 25WB+ is rated as a smoke seal in addition to its 4-hour fire rating, so it addresses smoke transmission through the penetration in a rated assembly, not just flame.
6) Will CP 25WB+ slump out of an overhead or vertical penetration before it cures?
It's sag-resistant, so it holds position in vertical and overhead penetrations while it cures and keeps adhesion to the substrate. That's the property that lets you gun it into a head-of-wall or deck penetration and walk away.
7) Is this the right firestop product for hospital and school penetration work?
Yes, CP 25WB+ is used in commercial fire-rated construction including healthcare facilities, schools, government buildings, high-rise residential and industrial work. For those inspections, the points that get cited are the 4-hour fire rating tested to ASTM E 814 (UL 1479) and CAN/ULC S115, plus the smoke seal capability.
8) Can 3M CP 25WB+ firestop sealant be painted over to match the wall?
Yes. It's a water-based formula and paintable, so once cured it can be finished to match surrounding construction. Water-based also means cleanup is done with water rather than solvent. Keep in mind it comes out red, so paint is what hides it in a finished corridor.
9) Does firestop sealant help with sound transfer between units?
CP 25WB+ carries a sound barrier value of 54, so sealing the penetration also reduces sound transfer through it. That's useful in multi-family and hotel work where the party wall has an acoustic requirement as well as a fire rating.
How fast can I get the 3M CP-25WB+10.1OZ delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the 3M CP-25WB+10.1OZ come with a warranty?
Absolutely. The 3M CP-25WB+10.1OZ is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the 3M CP-25WB+10.1OZ?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the 3M CP-25WB+10.1OZ from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!