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SpecSeal Composite Sheet

SpecSeal Composite Sheet is the ideal solution for large openings where a permanent seal is required. Composite sheet consists of a thin sheet steel with intumescent embedded onto a single side. Composite sheet partners with other SpecSeal firestop products such as Firestop Collars and EZ Path Devices to size down oversized openings.

Third Party Approvals

Technical Document

  • Lightweight for easy handling and fabrication and less hanging weight on walls
  • Easy to cut using sheet metal tools
  • Highly intumescent – expands up to 15x
  • Hole reduction – used in conjunction with other
  • SpecSeal® or EZ-Path® products for reducing large openings
  • Versatile performer for a wide range of complex applications
  • Paintable
  • Blank Openings,
  • Busway, Cables
  • Cable Tray
  • Metallic Pipe
  • Multiple Penetrations