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Firestop Putty
Firestop Putty
3M MPP+ Fire Barrier Moldable Putty Pads MPP+ - 7" X 7" X 1/8", 20/Case
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. Provides up to 4-hours of fire protection. 7-inch x 7-inch dark red moldable pad. Protective...
3M
43-8534
MPP+