Designed for appliances of all fuel types such as wood stoves fireplaces furnaces boilers ranges water heaters or other appliances fueled by wood oil coal pellet or gas - this is the ideal choice in chimney venting systems. Designed with a Thermal Tech blanket insulation encased between dual walls DuraTech offers the optimum in safety and performance keeping 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 and allows for 2 clearance to combustibles! DuraTech Chimney Pipe is UL Listed to UL 103 HT and ULC S604 (MH7399) and designed for normal continuous operation at 1000° F flue gas temperatures. DuraTech is subjected to rigorous and stringent high temperature requirements of the UL standard including one hour at 1400° F plus three ten-minute chimney fire tests at 2100° F.
