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3M MP+1.4X11 is a moldable fire barrier putty stick designed for firestop applications. This intumescent putty can be shaped easily to seal through-penetrations and blank spaces in fire-rated assemblies. Offering up to four hours of fire protection, it is effective for various installations in safety and security applications.
This product is pliable and does not dry out, making it easy to re-enter for repairs and adjustments.
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