3M™ Fire Barrier Moldable Putty PadsThe 3M Fire Barrier Moldable Putty Pads feature a one part, ready to use, re enterable, intumescent putty that can be easily formed to firestop wall openings and through penetrations in fire rated assemblies. The 3M Fire Barrier Moldable Putty Pad provides up to 4 hours of fire protection. This protective and moldable putty helps prevent the spread of fire, smoke and noxious gas and acts as a draft and cold smoke seal for systems with L Ratings. In
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