SSP Series Intumescent Firestop Putty

SSP Series Intrumescent Firestop Putty

Specified Technologies

For firestopping that requires retrofitting. It can be used on metallic conduits, telephone or data applications. Nonhardening and reusable, SpecSeal SSP Firestop Putty addresses the need for flexibility with moves, adds and changes in data and communications penetrations.


  • Nonhardening for a tough, flexible seal
  • Two-stage intumescence provides aggressive expansion
  • Endothermic fillers absorb heat and release water
  • Highly adhesive, stays put
  • Allows movement
  • Water resistant. Unaffected by humidity, condensation and water
  • Soft and pliable. Easy to install
  • Sound-deadening. Tested and proven acoustical properties
  • UL Classified and FM Approved
Anixter No. Manufacturer No. Description
264618 SSP100 36 cu. in. (0.6 L) tube of putty
280121 SSP28 24 cu. in. putty round bar
264619 SSP45 Putty pad; 7.25 in. x 7.25 in. x 3/16 in.
264620 SSP95 Putty pad; 9 in. x 9 in. x 3/16 in.
301260 EP44 Electrical box insert; 3 3/4 in. x 3 3/4 in. x 1/8 in. pad
350005 EP45 Electrical box insert; 4 1/4 in. x 4 1/4 in. x 1/8 in. pad