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Fire Barrier Putty Sealant

Fire Barrier Putty

SKU: 441381


Not Available


      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.


      • Firestop tested up to 4 hours in accordance with ASTM E 814 (UL 1479) & CAN/ULC S115
      • Putty provides draft and cold smoke seal
      • Pliable and conformable design easily molds into required shapes
      • Helps reduce noise transfer (STC-rating of 56 when tested in STC 56-rated wall assembly)
      • Will not dry out or crumble for a re-enterable and repairable solution
      • Excellent adhesion and aging properties provide a long-term performance
      • Noncorrosive to metal and compatible with synthetic cable jackets
      • Low VOC, halogen-free and solvent-free formula for safe working environment with minimal odor

      • Certifications and Listings: ASTM Compliant
      • Color: Red
      • Coverage (linear ft.): 6
      • Dry to touch (min.): 0
      • Features: Fire and High Heat Resistant
      • Indoor/Outdoor: Indoor
      • Interior/Exterior: Interior
      • Kit: No
      • Pack Size: 10
      • Paint Tool Product Type: Caulk
      • Standard Color Family: Red
      • Certifications: UL

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