- Firestop thimble
- Allows penetration of a joist
- For use with standard and high-temperature 8" Superior or Superior Double-Wall Wood-Burning Chimney Pipes
*Venting Requirements: This unit requires venting pipe with an inner diameter of 8 Inches. Please see the Venting Components section on this page for the venting pipe that must be used with this unit.
Watch Superior brand video: