SpecSeal SSP Putty

STI – a versatile putty with two stage intumescence and dynamic expansion. Ideal for cables that require retrofitting including metal conduits, telephone, data, or electrical power cable penetrations.

Product Guides

Data Sheet
MSDS

Product Description


  • Characteristics
  • UL Classified for firestop uses up to 3 hours, tested acoustical properties, highly adhesive, waterproof, and pliable.




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Energy Efficiency

John J. Moroney & Co. supplies a growing number of energy efficient and greener building materials.