36 in x 36 in 3M Fire Barrier Composite Sheet CS-195+

A thin one-part composite system designed to firestop blank openings and larger penetrations such as cable trays and conduit and HVAC ductwork through rated construction.

When properly installed, this product provides up to 4-hour fire protection in tested and listed systems. Intumescent, lightweight firestop that is easy to handle and install with common trade tools. Just cut to form, fit and then fasten using a drill with self-tapping screws or anchor bolts. Meets current International Building Code (IBC) and other key life safety code requirements. When properly installed, this product helps prevent the spread of fire, smoke and noxious gases.

Features:
Firestop tested for up to 4 hours in accordance with ASTM E 814 (UL 1479)
Intumesces (expands with heat) to form a hard char that tightly seals penetrations against flame spread, smoke and toxic gases
Thermally conductive: allows unwanted heat build-up to escape
Non-flame supporting
UL classified (meets code requirements)
Re-enterable for new or retrofit installations
Easy to install using common trade tools
Cut and form to desired shape