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When planning a wood stove installation one of the most important decisions to be reached is deciding whether to use single wall or double wall stove pipe. For some installations there is no other choice than using double wall pipe. At other times it can be merely an issue of consumer preference. The below chart outlines the differences, advantages, disadvantages and applications of both single wall and double wall pipe. Please note: This information is for reference and informative purposes only. Always follow your local building codes and use common sense for a safe installation. All stove pipe and wood stoves get very hot when in use.
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Single Wall Stove Pipe
This is the type of pipe found most often in local hardware stores
and building supply stores as well as the most common stove pipe sold
online. This type of pipe is easy to install and work with.
Construction: Most single wall pipe is constructed
of either 24 or 22 gauge steel. There is no insulation present.
Clearance: Single wall pipe requires a minimum
18" clearance from the stove until it enters the chimney.
Cost: Single wall pipe is generally cheaper than
double wall pipe.
Pros: Lighter than double wall pipe. Easy to install,
available in black, blue and galvanized. Radiates heat very well,
heat rooms quickly.
Cons: Will not last as long as double wall pipe.
Because of its construction and the type of steel used the exhaust
produced by your woodstove eats the material away. Generally needs
replacing every 3-5 years.
Click on the link to see our line of Single
Wall Stove Pipe |
Double Wall Stove Pipe
This type of pipe can be found in some hardware stores and building
supply stores. It is also sold by professional chimney installers
and also sold online.
Construction: Stainless steel inner wall and black
outer steel wall.
Clearance: 6" clearance from wall combustibles
and 8" from ceiling combustibles. This is the pipe to choose if
you are working in tight quarters or if you want maximum protection
for your walls or ceilings.
Cost: Double wall pipe is more expensive than single
wall pipe.
Pros: More resistant to degradation over time.
Will last many more years than single wall pipe. Reduced clearance
over single wall pipe. Second wall of air insulation keeps the internal
core hotter, boosting draft and efficiency.
Cons: Weight. Due to the nature of it's construction
double wall pipe is heavier than single wall pipe. Can be a bit
more challenging to install.
Click on the link to see our line of Double
Wall Stove Pipe |
