Fire Barrier Moldable Putty Pads

3M™ Fire Barrier Moldable Putty Pads MPP+ is 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 inconvenient 1/10” (2.54 mm) thick pads that are conformable by hand with no mixing or tools. Pads are firestop tested for up to 4 hours.

  • Pliable one-part intumescent firestop material is designed for wall openings and through penetrations
  • Provides draft and cold smoke seal and helps reduce noise transfer
  • Firestop tested for through penetration and membrane applications for up to 4 hours in accordance with ASTM E 814 (UL 1479)
  • Excellent adhesion to a wide range of construction materials
  • Non-corrosive to metal, and compatible with synthetic cable jackets
  • Applied by hand, with no mixing or tools
  • Color: Red
  • Physical state: tacky putty
  • Cure time: non-curing
  • Shelf life: 24 months
  • Application method: by hand
  • Width: 7 in x 7 in, 20/case