Chimney has been filling the supply and accessory needs of over 8,000 chimney sweeps hearth retailers masons and contractors for over 25 years, Chimney has the privilege of serving over 80% of the chimney professionals in America, Founded by Robert Daniels ""Sooty Bob "" in 1978 Chimney has grown from a one-man operation to a national network of six warehouses and a manufacturing plant, From its headquarters in Fairfield Iowa Chimney plays a major role in providing for the Chimney industry, Class A pipe is also known as Chimney Pipe or UL103 Pipe, Class A systems are used for high-temperature exhaust gases from common solid fuels such as: Wood, Coal, Oil, and other high-output fuels, This pipe is meant to be installed as a free-standing chimney system and can be connected to your stove or appliance without the need for an existing chimney, 5-8"" 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, 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, Use to support the chimney when it extends more than 4 above the roof, Provides stability to chimney against the wind and snow, This has extended legs, This extends to 67"" to 114, SKU: CPPF2005