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The 3M Fire Barrier Moldable Putty Stix MP+ is a one-part putty meant for firestopping in fire-rated assemblies. This product is pliable and easy to apply, making it ideal for sealing around penetrations and openings. It has been tested for up to four hours of fire protection according to ASTM E 814 (UL 1479) and CAN/ULC S115 standards. The putty also serves as a draft and smoke seal, providing additional protection against cold drafts. Furthermore, it reduces noise, achieving an STC rating of 56 in wall assemblies.
This putty is suitable for various firestop applications and meets industry standards for fire safety and noise reduction.
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