3M Fire Barrier Moldable Putty Pads MPP+ (20 Count) Rivet Busters Featuring a strategic combination of

Featuring a strategic combination of U slot and wedge segments

0/30-4 Eh/Eb Premium

volcanic stone

Rugged heavy-duty construction for increased durability and long life

chip-free finish

3M Fire Barrier Moldable Putty Pads MPP+ (20 Count) Rivet Busters Featuring a strategic combination of3M Fire Barrier Moldable Putty Pads MPP+ won't dry out or crumble. Our 3M Fire Barrier Moldable Putty Pads MPP+ are a one part firestop material used in various fire rated assemblies, such as electrical box protection. Designed to prevent the spread of fire, smoke and noxious gasses, this intumescent material comes ready to use in convenient 1 10 (2. 54 mm) thick pads that are conformable by hand with no mixing or tools. Pads are firestop tested up to