Double wall stove pipe on the other hand requires only 8 inches of clearance from the ceiling and 6 inches from a wall.
Insulated stove pipe clearances.
Single wall black pipe is 18 from combustible surfaces.
Our pellet chimney pipe is fabricated with a unique gasket seal system which doesn t require sealant like many other brands on the market today.
Clearance should be three times the diameter of the pipe e g a 6 inch pipe needs 18 inches of clearance.
A class a chimney pipe requires less clearance than a single or double wall stovepipe which is only intended for use within the same room as the stove.
Heat shields may be used to reduce the clearance by the same ratio as for the stove.
Stove pipe is used from the top of the woodstove or freestanding fireplace to the bottom of the ceiling or wall where it will connect to class a chimney pipe or a masonry chimney.
Dvl improves stove performance by maintaining high flue gas temperatures for a strong steady draft.
The minimum clearance may be reduced by 50 percent to 225 mm 9 in if suitable shielding is installed either on the pipe or on the combustible surface.
Double wall stovepipe is used when you don t have 18 or more clearance from combustibles.
To be used for wood stoves these chimneys must be listed as ul all fuel chimneys.
Listed with a 1 clearance to combustibles by ulc ord c441.
Once these clearances are met you must convert your stove pipe to class a chimney pipe for proper venting of your stove.
Most of the double wall stove pipe allows for 6 clearance from wall combustibles and 8 from ceiling combustibles.
A flue pipe must never pass through a combustible floor or ceiling or through an attic roof space closet or concealed space.
The nfpa calls for an 18 clearance to combustible walls for single wall stove pipe.
Minimum clearance from combustible material.
For example a single wall stove pipe requires 18 inches of clearance from ceilings or walls.
Double wall is 12 insulated pipe usually stainless steel can be a little as 2 but is much more expensive.
Single wall stove pipe radiates more heat into the room than double wall stove pipe and requires 18 clearance from combustible surfaces where.
6 single wall or double wall stove pipe.
Dvl s double wall air insulated design reduces clearances to combustibles from 18 in.
To 6 in the closest clearance to a wall of any connector pipe.
Also there are shields that can be attached to single wall pipe that can reduce the distance to 12 if there is only a portion of the pipe that comes close to a combustible surface.
Choose your stove pipe type.
For the insulated double wall type chimney the minimum clearance is usually two inches.
450 mm 18 in.
