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🔥 Seal the deal with 3M’s firestop that’s as smart as your workspace!
3M Fire Barrier Sealant CP 25WB+ is a premium, one-part intumescent latex sealant delivering up to 4 hours of fire resistance and an STC 54 sound barrier rating. Its water-based, sag-resistant formula ensures easy application, paintability, and repairability, making it the go-to solution for industrial and commercial firestop needs. Designed to expand under heat, it effectively blocks fire, smoke, and toxic gases across diverse building penetrations.




| ASIN | B00176M30Q |
| Best Sellers Rank | #8,891 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Fire Barrier Caulk |
| Brand Name | 3M |
| Color | Red |
| Compatible Material | Wood |
| Customer Reviews | 4.7 4.7 out of 5 stars (557) |
| Global Trade Identification Number | 00051115116384 |
| Included Components | CP 25WB+ Series 10.1 Oz Red Fire Barrier Sealant |
| Item Dimensions | 2 x 2 x 12 inches |
| Item Form | Paste |
| Item Type Name | 3M Fire Barrier Sealant CP 25WB+ - for Commercial, Industrial and Residential Applications - Cartridge, 10.1 fluid ounces - Red |
| Item Weight | 8.8 ounces |
| Manufacturer | 3M |
| Material Type | Plastic |
| Model | CP-25WB+ |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 051115116384 |
| Style Name | Industrial |
| Surface Recommendation | Pipe |
| UPC | 051115116384 |
| Unit Count | 1 Count |
| Warranty Description | Warranty |
| Water Resistance Level | Waterproof |
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