3M Fire Barrier 1.45 in. x 6 in. Moldable Putty Stix MP+ Flexible

This 1-part, ready-to-use, re-enterable, intumescent putty can be easily formed to fire stop through penetrations and blank openings in fire-rated assemblies. It is often used to fill voids in large openings and/or complex fire stop systems. The putty provides up to 4-hours of fire protection. It is a dark red moldable putty stick.

• Putty provides draft and cold smoke seal
• Noncorrosive to metal and compatible with synthetic cable jackets
• Conformable and ready-to-use