3M MPP 9.5X9.5 Fire Barrier Moldable Putty Pad, 9.5" x 9.5" x 0.10", Dark Red

Firestop tested up to 4 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115Wall opening protective material tested up to 2 hours in accordance with UL 263Provides draft and cold smoke sealHelps reduce noise transfer (STC-Rating of 56 when tested in STC 56-rated wall assembly)Halogen-free formulaSelf-adhering pads can be joined together for larger firestop applicationsNoncorrosive to metal and compatible with synthetic cable jacketsWill not dry out or crumble, re-enterable Show More Show Less