1. Four-component intumescent system is ideal for firestopping larger penetrations such as cable trays and conduit
2. Forms effective intermittent fire-break within horizontal and vertical cable tray runs
3. Hard char material tightly seals penetrations against flame spread, smoke and toxic gases
4. Easy to install: cut, form and install using common trade tools for nearly any size
5. Thermally conductive: allows unwanted heat build-up to escape, helping reduce derating issues
6. Re-enterable for new or retrofit installations
7.Firestop tested for up to 4 hours in accordance with ASTM E 814 (UL 1479)

3M™ Fire Barrier Composite Sheet CS-195+ is a lightweight intumescent firestop that combines four components into a single system to help slow the spread of fire, smoke and noxious gases. Sheets combine 28-gauge steel, intumescent material, wire mesh and aluminum foil and are easy to handle and install with common trade tools. They are firestop tested for up to 4 hours of fire protection.