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A firestop putty used to prevent the spread of fire, smoke, toxic fumes and moisture for up to four hours.
3M Fire Barrier Moldable Putty Pads 3M Fire Barrier Moldable Putty Stix
A one-part, ready-to-use, re-enterable, intumescent putty that can be easily formed to firestop metallic and non-metallic electrical boxes in, wall-openings and through penetrations in fire-rated assemblies.
A one-part, ready-to-use, re-enterable, intumescent putty that can be easily formed to firestop through penetrations and blank openings in fire-rated assemblies.