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STI SpecSeal® Composite sheet is a lightweight, fire-resistant panel that consists of intumescent layer bonded to a galvanized steel sheet, reinforced with steel wire mesh covered with aluminum foil. This 28-Inch x 52-Inch composite sheet is designed to seal medium and large size openings with a variety of different penetrants in both fire resistance rated floors and walls. Composite sheet is UL listed and FM approved.
  • Easier to use and is half the weight as well as thickness of traditional panel products
  • Easier to cut and fabricate using common sheet metal tools
  • Expands up to 15 times original thickness when burned
  • Superior air leakage ratings
  • Broad base of tested systems
  • Acoustically tested

Overview

STI SpecSeal® Composite sheet is a lightweight, fire-resistant panel that consists of intumescent layer bonded to a galvanized steel sheet, reinforced with steel wire mesh covered with aluminum foil. This 28-Inch x 52-Inch composite sheet is designed to seal medium and large size openings with a variety of different penetrants in both fire resistance rated floors and walls. Composite sheet is UL listed and FM approved.

Specifications

sku
296477

Documents

Catalog Instruction Guide
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