Double Wall Stove Pipe Clearance To Combustibles. This pipe has a clearance of only 6 to combustible materials and keeps flue gases warm for better draft. Most of the double wall stove pipe allows for 6 clearance from wall combustibles and 8 from ceiling combustibles. Double walled or close clearance stove pipe is used to connect your stove to the chimney.
Double wall stove pipe is used to make the connection from the chimney or chimney kit to the appliance in the final interior run. And improves stove performance by maintaining high flue gas temperatures for a strong steady draft.
Single wall stove pipe radiates more heat into the room than double wall stove pipe and requires 18 clearance from combustible surfaces where double wall stove pipe.
For a 6 inch diameter pipe this requires a 6 inch plus 2 x 18 inch or a 42 inch diameter hole in a combustible wall. Double wall pipe should not be cut. And improves stove performance by maintaining high flue gas temperatures for a strong steady draft. Using a heat shield on a single wall stovepipe allows you to reduce the clearances from 18 to 6 to the wall and 9 to the ceiling.
