Product Description
TREMstop® FS Blanket is a high-performance, bio-soluble fiber insulation used for firestopping and thermal protection in rated assemblies. Withstanding temperatures up to 1832 °F (1000 °C), it is ideal for sealing around penetrants such as pipes and cables in floors and walls. It is a lightweight alternative to mineral wool and works in conjunction with Tremco firestop sealants.
Key Benefits
- Compatibility Tested: Works seamlessly with Tremco firestopping sealants.
- Firestopping: Provides reliable fire-rated thermal insulation in a variety of joint and penetration applications.
- Can Replace Mineral Wool: Suitable for use in floor-to-floor, wall-to-wall, and head-of-wall conditions.
Best For
- Metal pipe penetrations
- Cables and cable trays
- Joints in rated assemblies




