Duravent 7" Diameter Duratech Square Ceiling Support Box

Chimney Cricket Verified independent store

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Supports chimney pipe and provides a positive connection between support box and chimney with a built-in twist-lock. Suitable for both flat and cathedral (A-Frame) ceiling applicat ions. Also use in short attic spaces (see instructions). Fits between standard 16” on-center joists and most manufactured home applications. Supports up to 60' of DuraTech Chimney. Use adapter to attach DVL or DuraBlack to the support box. A 2” wide trim collar is included. Painted black. (For adapters see DVL/DuraBlack section.) Show more