Double Wall Stove Pipe Clearance To Combustibles

This hole may be closed or covered with non combustible insulating materials figure 3.

Double wall stove pipe clearance to combustibles.

Double walled black stovepipe must be kept 6 inches away from combustible wall material as it connects with the chimney pipe. Double wall stove pipe is used to make the connection from the chimney or chimney kit to the appliance in the final interior run. Our double wall black stove pipe is manufactured with our substantial 24 gauge black steel outer pipe and 430 stainless steel inner liner. Double wall pipe should not be cut.

For example a single wall stove pipe requires 18 inches of clearance from ceilings or walls. Double wall stove pipe can reduce the clearance needed to combustibles in many situations and typically has a stainless steel inner wall that will provide a much loger time of service that a typical single wall setup. When combining lengths remember to subtract 1 5 from each to account for overlap. This pipe has a clearance of only 6 to combustible materials and keeps flue gases warm for better draft.

Dvl s double wall air insulated design reduces clearances to combustibles from 18 in. Depending on which kind of stove pipe you use single wall or double wall you must also account for proper clearances from combustibles. 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. Most of the double wall stove pipe allows for 6 clearance from wall combustibles and 8 from ceiling combustibles.

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. 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. 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. Combustible materials within 18 inches of an uninsulated stovepipe must be removed.

Double wall stovepipe is used when you don t have 18 or more clearance from combustibles. For single wall stovepipe the clearance space remains 18 inches. Once the venting reaches the wall or ceiling it must be converted to class a chimney pipe.