Superior 8" Chimney Firestop Thimble (Use when penetrating a joist) - 38FST

Superior 8" Chimney Firestop Thimble (Use when penetrating a joist) - 38FST is a superior-grade firestop designed to provide a safe, permanent fire barrier when penetrating a joist. It is designed to fit between two studs or joists and is a quick and easy way to seal off any uninsulated voids that may be present.

The superior-grade material provides superior fire protection, and is UL classified for use in a variety of construction applications. The thimble is easy to install, and is designed to fit snugly in between two studs or joists.

It is designed to reduce the spread of fire and smoke from the unprotected voids, providing a safe and secure fire barrier.