For use in 2x6 wall.
Available in 4" only.
For Other firestops see installation instructions.

*Denotes U.L. Listing

Submittal Drawing (PDF file)

More Type B Round Firestop, Thimble, Chimney Housing

Customer Service

Phone   800.433.6341 or 616.656.8200
Faxne   800.223.8461