3M™ Fire Barrier Sealant CP 25WB+ Caulk – 2 Gallon Pail

Description

This fire barrier sealant stops the spread of fire, smoke and noxious gasses before, during and after a fire risk. Fire is stopped from spreading for up to four hours.

It is a high-performance latex material that comes ready to use. No mixing required. In addition to being a fire barrier, it also stops airborne sound transmission and is gun-grade.

Use this to blank openings and penetrations through fire-rated floor, floor/ceiling, or wall assemblies, among other fire-related interior building construction projects. It is ideal for sealing single or multiple penetrations in fire-rated construction.

Specifications From 3M™:

3M™ Fire Barrier Sealant CP 25WB+ is an intumescent restop sealant capable of expanding a minimum of 3 times its dried volume when exposed to temperatures above 1000°F (538°C). The material shall be thixotropic and shall be applicable to overhead, vertical and horizontal restops. The sealant shall be listed by independent test agencies such as to and pass the criteria of ASTM E 814 (UL 1479) Standard Test Method for Fire Tests of Penetration Firestop Systems, ASTM E 1966 (UL 2079) Standard Test Method for Fire Resistive Joint Systems and CAN/ULC S115 Standard Method of Fire Tests of Firestop Systems. 3M™ Fire Barrier Sealant CP 25WB+ meets the requirements of the IBC, IRC, IFC, IPC, IMC, NFPA 5000, NEC (NFPA 70) and NFPA 101.

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