Single wall pipe has a minimum clearance of 18 inches whereas most double wall carries a minimum clearance of 6 inches quite a difference.
Single wall vs double wall wood stove pipe.
Double wall stove pipe on the other hand requires only 8 inches of clearance from the ceiling and 6 inches from a wall.
The double wall construction keeps the outside cooler and thus reduces wall clearances to 6 inches and ceiling clearances to 8 inches.
So the question is is there a difference in the efficiency of a wood stove in particular an epa stove with single wall or double wall flue.
Most of these use a single walled pipe for the first room the room containing the stove and then through the second floor and attic roof sections a double wall insulated pipe is used.
I found several but none addressed the question i have.
Many installations use a stove pipe that goes straight up through the ceiling and out the roof.
Our double wall black stove pipe is manufactured with our substantial 24 gauge black steel outer pipe and 430 stainless steel inner liner.
Single wall stove pipe can be installed from a stove to within 18 inches of any combustible material.
Black pipe used outside will run way cooler flue temperatures than class a chimney and will potentially build up creosote quite rapidly increasing the chance of a chimney fire.
Ok so i did search for threads on single wall vs double wall flue pipe for wood stoves.
For safety the single or double wall black stovepipe transitions to class a chimney pipe when it nears a.
It is true that single wall pipe radiates more heat into the room than double wall but if it s at the cost of floor space and dangerous creosote build up than in my humble opinion it s not worth it.
Black single wall stove pipe has a clearance to combustibles of 18 double wall black pipe has a clearance of 6 whereas class a chimney pipe is generally 2.
Once these clearances are met you must convert your stove pipe to class a chimney pipe for proper venting of your stove.
For example a single wall stove pipe requires 18 inches of clearance from ceilings or walls.
I ve recently been looking into wood burning stoves.
