DuraTech 6 Vent Pipe Flat Ceiling Support Box. Supports chimney pipe and provides a positive connection between support box and chimney with a built-in twist lock. Designed for installation in flat ceilings only. Supports up to 60′ of DuraTech Chimney. Use adapter (not included) to attach DVL or DuraBlack to the support box. A 2 wide trim collar is included. Not painted, but can be painted with high temperature paint. With a Thermal Tech blanket insulation encased between dual walls, DuraTech offers the optimum in safety and performance. It keeps the outer wall of the chimney cool, while ensuring high flue gas temperatures for optimum draft performance. The inner wall is 25 thicker than competitive chimneys for an extra margin of safety. No locking bands or mechanical fasteners required. DuraTech’s sleek 1″ wall design provides for easy installations through 16″ on-center framing. Designed for normal, continuous operation at 1000 degree flue gas temperatures, DuraTech is subjected to rigorous and stringent high temperature requirements of the UL standard, including one hour at 1400 degrees Fahrenheit, plus three ten-minute chimney fire tests at 2100 degrees Fahrenheit. DuraTech is a double-wall, all-fuel chimney system for use 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. Looking for Simpson Dura-Vent? Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets.
