SSB Series Intumescent Firestop Pillow

SSB Series Intumescent Firestop Pillow

Specified Technologies

SpecSeal SSB Series Firestop Pillows are designed for firestopping medium to large openings and are well suited for applications involving data, communications, power or control cables, innerducts and cable trays. This method of sealing offers easy retrofitting of cable installations without the need to damage the firestop seal. Difficult applications, such as application where access is restricted to one side of the assembly, may be easily firestopped with this product.


  • Intumescent: Expands in all directions for a tough, tight seal
  • Reinstallable for easy retrofitting of cables
  • Single-side application makes installation easy for tough access openings
  • Intumescent coating on all sides for faster expansion and easier installation
  • Heat-sealed poly cover protects core and makes pillows slide in and out with ease
  • Superior air-leakage ratings
  • Broad base of tested systems
  • UL Classified and FM Approved

Anixter No. Manufacturer No. Description
264621 SSB14 1 in. x 4 in. x 9 in.
264622 SSB24 2 in. x 4 in. x 9 in.
264623 SSB26 2 in. x 6 in. x 9 in.
264624 SSB36 3 in. x 6 in. x 9 in.