|Item||Fire Barrier Composite Sheet|
|Standards||UL Classified, FM Approved|
- Composite Sheets
- Fire-stop large openings through fire-rated walls and floors with multiple penetrations. Anchor sheets to the wall or floor with common tools. Cut to fit irregular shapes.
- STI brand sheets expand up to 15 times their original size, are UL Classified, FM approved, and meet ASTM E814 (ANSI/UL 1479) standards. 3M brand products can fire-stop openings up to 36 sq. ft. and are UL Classified and FM approved.