Insulated Stove Pipe Clearances

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.

Insulated stove pipe clearances.

Listed with a 1 clearance to combustibles by ulc ord c441. To 6 in the closest clearance to a wall of any connector pipe. 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. 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.

The necessary clearances from combustible materials are marked on each section of a ul listed prefabricated chimney. Most of the double wall stove pipe allows for 6 clearance from wall combustibles and 8 from ceiling combustibles. The nfpa calls for an 18 clearance to combustible walls for single wall stove 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.

Single wall stove pipe radiates more heat into the room than double wall stove pipe and requires 18 clearance from combustible surfaces where. Choose your stove pipe type. Double wall is 12 insulated pipe usually stainless steel can be a little as 2 but is much more expensive. 6 single wall or double wall stove pipe.

Dvl improves stove performance by maintaining high flue gas temperatures for a strong steady draft. A flue pipe must never pass through a combustible floor or ceiling or through an attic roof space closet or concealed space. Prefabricated chimneys are efficient and easy to install. Double wall stovepipe is used when you don t have 18 or more clearance from combustibles.

Rock vent pellet chimney pipe is used to safely vent your pellet burning stove or b vent listed appliance. Minimum clearance from combustible material. Heat shields may be used to reduce the clearance by the same ratio as for the stove. Single wall black pipe is 18 from combustible surfaces.

Double wall stove pipe on the other hand requires only 8 inches of clearance from the ceiling and 6 inches from a wall. For example a single wall stove pipe requires 18 inches of clearance from ceilings or walls. For the insulated double wall type chimney the minimum clearance is usually two inches. Clearance should be three times the diameter of the pipe e g a 6 inch pipe needs 18 inches of clearance.

To be used for wood stoves these chimneys must be listed as ul all fuel chimneys. Dvl s double wall air insulated design reduces clearances to combustibles from 18 in.