Description
3M Blocks, Plugs, & Planks are smoke, sound, and firestopping foam units for medium to large openings in wall and floor through-penetrations.
3M Fire Barrier Blocks, Plugs, and Planks
3M Fire Barrier Blocks, Plugs, and Planks
3M Fire Barrier Block B258, 3M Fire Barrier Plank PK39, and 3M Fire Barrier Plug PLG2 and PLG4 are smoke, sound, and firestopping pre-formed foam units for medium to large openings in wall and floor through-penetrations. Simple to use. During a fire, product maintains a tight firestop against smoke and flame.
