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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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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I like the metal finish on this caddy. It looks very sharp on my countertop. It holds everything I need close at hand to the sink. The only thing I wish was different is where you can put brushes with handles. They fall through the metal piece at the bottom. I wish that part of the caddy had a solid bottom piece.

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Reviewed in the United States on September 15, 2025