DuraTech Square Ceiling Support Box 36

A 2-inch wide trim collar is included. This supports chimney pipe and provides a positive connection between the support box and chimney with a built-in twist-lock. This square ceiling support box is suitable for both flat and cathedral (A-Frame) ceiling applications, as well as short attic spaces. It fits between standard 16-inch on center joists and most manufactured home applications. The square ceiling support box supports up to 60 feet of DuraTech Chimney. An adapter is needed to attach DVL or DuraBlack to the support box.DuraTech is a double-wall chimney system for use with wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances fueled by wood. DuraTech is designed for normal, continuous operation at 1,000 degree flue gas temps. NOTE: Venting components should be installed by a licensed installer in accordance with local codes and within the manufacturers specified guidelines as noted in your appliances installation.