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All Categories > Fire Protection Products > STI Spec Seal > Composite Sheet  
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Composite Sheet


SpecSeal® Composite Sheet is a lightweight, rigid fire resistant panel consisting of an intumescent layer bonded to a galvanized steel sheet reinforced with steel wire mesh covered with aluminum foil. SpecSeal® Composite Sheet is designed to seal medium to large size openings with a variety of different penetrants in both fire-resistance rated floors and walls.
When exposed to temperatures in excess of 350°F (177°C), SpecSeal® Composite Sheet expands minimum 15x to form a dense insulative char that minimizes heat transfer.


Item #

Product Name

Packaging

Unit Quantity

Weight

SSCS1628.EA Composit Sheet 16" x 28" Per Sheet NA
SSCS3636.EA Composit Sheet 36" x 36" Per Sheet NA

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SS Composit Sheet

SS Composit Sheet Data Sheet