SpecSeal Composite Sheet

STI – lightweight, rigid, fire resistant panel made of intumescent layer bonded to a galvanized steel sheet, and reinforced with steel wire mesh covered with aluminum foil. Used in conjunction with other firestop products to seal penetrations through both fire-resistance rated walls and floors for metallic and non-metallic pipes, insulated pipes, cable trays, cables, conduits, or blank openings.

Product Guides

Data Sheet

Product Description

  • Characteristics
  • Versatile, lightweight, easy to cut, easy to fabricate, highly intumescent, paintable.

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Energy Efficiency

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