• Home
  • 3M 2" x 4" x 9" Fire Barrier Pillow
Image for 3M 2
+ / - Hover over image to Zoom
Other Views

3M 2" x 4" x 9" Fire Barrier Pillow

Brand: 3M Mfg#: 98040054219
Product#: 479FBP249
Based on Product Sourcing
Hazardous material shipping restrictions apply. You may be contacted by Customer Service if an alternate shipping method is required.

Please Login to receive Special Pricing
Not Registered? Create an Account


Self-contained, intumescent product for use in a wide variety of through-penetration firestops including cable trays, conduit and blank openings


  • Re-enterable and re useable for new or retrofit installations
  • Easy to install
  • Available in three sizes (use a combination of sizes to fit a variety of openings)
  • No wire mesh required
  • Intumesces to form a hard char that tightly seals penetrations against flame spread, smoke and toxic gases
  • Graphite free, does not conduct electricity
  • Firestop tested for up to 3 hr in accordance with ASTM E 814 (UL 1479)


  • Brand: 3M
  • Fire Rating: Up to 3 hr
  • Standards: ASTM E 814, UL 1479, EU RoHS Compliant
  • Length: 9 in
  • Width: 4 in
  • Height: 2 in
  • Special Features: Graphite-Free
  • Usage: For Firestop Wide Variety of Through Penetration Firestop Including Cable Trays, Conduit and Blank Openings