Triple Wall Stove Pipe Clearance To Combustibles

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.

Triple wall stove pipe clearance to combustibles. Higher elevations or the use of elbows or a tee will require approximately 30 to 60 more height to provide for an adequate draft. B vents 1 clearance class a chimneys 2 to 2 1 2 clearance. Duraplus chimney is a triple wall all fuel chimney system that is for use with wood stoves fireplaces furnaces boilers stoves ranges water heaters or other appliances fueled by wood oil coal or gas. You know of a single wall pipe that is called triple wall.

These pipes contain fiberglass or ceramic insulation to stay cooler on the outside and must maintain a 2 inch clearance to combustibles. Triple wall class a pipe is for use with wood stoves fireplaces furnaces boilers ranges water heaters or other appliances fueled by wood coil oil or gas. Using a heat shield on a single wall stovepipe. 2 clearance to combustibles.

The nfpa calls for an 18 clearance to combustible walls for single wall stove pipe. Minimum chimney height at sea level of straight vertical chimney is 10 to 15 above the appliance outlet. Maintain at least 2 clearance to combustibles. Inside the enclosure building codes require a 2 inch clearance around the double or triple wall chimney pipe.

Most of the double wall stove pipe allows for 6 clearance from wall combustibles and 8 from ceiling combustibles. While a double wall class a chimney pipe is adequate for most installations wood. Triple wall class a pipe is the preferred solution for homeowners installing their own system due to its increased margin of safety. It s triple wall and 1 clearance to combustibles is ok for vertical runs.

Both double wall and triple wall pipe can have a solid packed insulation layer. Double wall stovepipe is used when you don t have 18 or more clearance from combustibles. Carson dunlop s sketch summarizes combustible clearance requirements for the three main types of metal chimneys.