5 DuraTech Round Ceiling Support Box

Supports chimney pipe and provides a positive connection between support box and chimney with a built-in twist-lock. Supports up to 60 feet of DuraTech Chimney. Use adapter to attach DVL or DuraBlack to the support box. Trim Collars sold separately.

DuraTech is a double-wall, all-fuel chimney system for used with wood stoves, fireplaces, furnaces, boilers, ranges, water heaters or other appliances fueled by wood, oil, coal or gas, and zero-clearance fireplaces that are factory-built. This system is designed for normal continuous operation at 1000 degrees flue gas temperatures and is subjected to rigorous and stringent HT requirements of the UL standard ensuring its excellence.