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STI - Firestop Authority
24" x 36" SpecSeal® Composite Sheet
QXO product C-683897 · 1 options
Selected: STC COMPOSITE SHEET 24"X36"
QXO SKU 683897 · Product number STCCS2436
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- SHT
- Item Weight
- 8.4
- Algae Resistance
- No
- Applicable Standards
- ASTM E814 (UL1479) CAN/ULC S115 UL Certified FM Approved LEED
About this product
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.



