3M - 3M MP+1.4X11 Moldable Putty Sticks

3M™ Fire Barrier Moldable Putty Stix MP+ is a one-part, re-enterable, intumescent putty that can be easily formed to firestop through penetrations and blank openings in fire-rated assemblies. We formulated this dark red, easily moldable putty stick to provide up to 4 hours of fire protection. These putty stix also produce a draft and cold smoke seal and help reduce noise transfer. Features: TESTED FIRESTOP PERFORMANCE: Tested and listed up to 4-hours in accordance with ASTM E814 (UL 1479) and CAN/ULC S115; STC RATED: STC-rating of 56 when tested in STC 56-rated wall assembly; READY TO USE IMMEDIATELY: One-part, ready-to-use, re-enterable, intumescent putty stick that can be easily formed to firestop through-penetrations and blank openings in fire-rated assemblies; CREATES A LONG LASTING SEAL: Provides draft and cold smoke seal, helps reduce noise transfer; REMAINS WORKABLE OVER TIME: Will not dry out or crumble for a re-enterable and repairable solution; NONCORROSIVE: Will not corrode metal and is compatible with synthetic cable jackets