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STI SSP Putty & Putty Pads

Availability: In stock

SpecSeal SSP Firestop Putty excels at sealing cabling penetrations and outlet boxes. SSP Putty is non-hardening and easily hand works around grouped cabling penetrations forming a re-enterable seal allowing for future work. When applied with outlet boxes, SSP Putty easily works into voids and seams forming a continuous seal against fire and the products of combustion.

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Product Description


  • Available in tubes or preformed pads
  • Remains pliable and workable for the lifetime of the installation
  • Acoustically tested
  • Will not harden overtime!

Application Properties
Cables Intumescent
Electrical Box Low VOC
Metal Pipe No Expiration
  Smoke Barrier
  STC Rating


Physical Properties

Property Value
Colour Red
Odour None
Density 1.45 kg/L (12.08 lb/gal)
Solids Content 100%
Mold & Fungus Growth Rating (ASTM G21) 1
Volume Expansion Greater than 500% (free expansion)
Expansion Begins 230°F (110°C)
In Service Temperature 10°F (-23°C) to 120°F (49°C)
Installation Temperature Less than 100°F (38°C)
Storage Temperature Less than 100°F (38°C)
STC Rating (ASTM E 90-04/ASTM C919) 62 (Relates to Specific Construction)
VOC 0 g/L**
Shelf Life No Limit
  • *Per SCAQMD Rule 1168 (EPA Method 24)

Ordering Information

Catalogue Number Description (UOM) Qty. Case Qty. Weight (Each)
STI_SSP100 36 cu. in. (0.6 liter) bar 1 6 2.22 lbs (1.01 kg)
STI_SSP28 24 cu. in. (0.4 liter) bar 1 1 1.42 lbs (0.64 kg)
STI_SSP4S 7.25" x 7.25" x 3⁄16" (184 x 184 x 4.8 mm) pad 1 20 0.64 lbs (0.29 kg)
STI_SSP9S 9.00" x 9.00" x 3⁄16" (229 x 229 x 4.8 mm) pad 1 20 0.85 lbs (0.39 kg)