Superior Firestop Thimble for 8-Inch Chimney Joist Penetration

Superior Firestop Thimble for 8-Inch Chimney Joist Penetration

Marsoni

M251S

$101.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Superior Firestop Thimble for 8-Inch Chimney Joist PenetrationThe Superior Firestop Thimble (38FST) is an essential safety component for 8 inch chimney systems when penetrating a floor or ceiling joist. Built with heavy duty steel, this thimble provides maximum durability and helps maintain proper clearances to combustible materials during installation. It is designed specifically for use with Superior 8DM series chimney pipes to ensure a perfect fit. Proudly made in the USA, it ensures your wood burning

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After I suffered a second-degree burn from steam, I was told by my doctor that I would have to keep my new fresh skin sun-blocked for up to a year to avoid any scarring or hyper pigmentation. This has been a great selection as it is a roll-on, Which helps a lot with preventing messes that can happen with traditional sunblock bottles. I also like that it is easy to travel with, and the fact that it is zinc based.

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Reviewed in the United States on August 26, 2025