Double Or Triple Wall Chimney Pipe

Shop single double and triple wall stove and chimney pipe including simpson dura vent selkirk metalbestos amerivent metal fab security chimneys and more.

Double or triple wall chimney pipe.

Class a chimney pipe is either a double or triple wall construction. Both duratech and duraplus are tested to the same temperature 2100 degrees and clearance to combustibles on both brands is 2. For safety the single or double wall black stovepipe transitions to class a chimney pipe when it nears a wall or ceiling. Duraplus features two layers of insulation and is available in sizes 6 to 8.

Duraplus is for use with wood stoves fireplaces furnaces boilers ranges water heaters or other appliances fueled by wood coil oil or gas. Solid packed chimney these pipes have smaller inner diameters usually ranging from 5 inches to 8 inches that have some insulation either double wall like simpson duravent duratech pipe or triple wall like simpson duravent duraplus pipe. Less creosote accumulation is another positive feature due to the heat retention of double wall stovepipe. These pipes contain fiberglass or ceramic insulation to stay cooler on the outside and must maintain a 2 inch clearance to combustibles.

Double and triple wall insulated pipe is listed as class a vent pipe and must meet either ul standard 103 or 103ht. Double wall stove pipe can reduce the clearance needed to combustibles in many situations and typically has a stainless steel inner wall that will provide a much loger time of service that a typical single wall setup. Duraplus is a triple wall chimney system with a layer of insulation between the innermost wall and the middle wall whereas duratech is a double wall chimney system with a layer if insulation between the two metal walls. Double wall stove pipe is used to make the connection from the chimney or chimney kit to the appliance in the final interior run.