Description
The Superior FST10 Firestop Thimble is designed to provide safe and reliable protection where chimney systems pass through walls or framed openings. Used in conjunction with the FS-10 fire stop, this thimble helps maintain proper clearances from combustible materials, ensuring a safer and more compliant wood-burning fireplace installation. Its durable construction supports long-term performance in residential chimney systems.
Specifically engineered for use with Superior 12" Standard Wood-Burning Chimneys (12-3/8" inner diameter and 15" outer diameter), the FST10 Firestop Thimble offers a precise fit and dependable support. It is an essential component for maintaining system integrity, safety, and proper installation standards in chimney assemblies.
Included
- Firestop Thimble
Features
- Includes Thimble only
- This is used in conjunction with FS-10 fire stop.
- For use with Superior 12" Standard Wood-Burning Chimney (12 3/8" Inner Diam. - 15" Outer Diam)
Specifications
| Item Number | FST10 |
| Catalog Number | F0944 |
| Product Type | Firestop Thimble |
About The Manufacturer


