3M Fire Barrier Moldable Putty Stix MP+, Red, 1.45 in x 6 in
A one-part, ready-to-use, re-enterable, intumescent putty that can be easily formed to fire stop through penetrations and blank openings in fire-rated assemblies. Often used to fill voids in large openings and/or complex fire stop systems. Provides up to 4-hours of fire protection. Dark red moldable putty stick.
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