N
The Global Insight

Can I use single wall stove pipe

Author

Mia Horton

Updated on April 11, 2026

Single-Wall stove pipe can be installed as long as you have a 18″ clearance to a wall, ceiling or floor. If your clearance to combustibles is less than 18″, you have to install double-wall stove pipe.

Is it safe to use single wall stove pipe?

Can I go through my wall with single wall or double wall black stove pipe? No, you must use factory built class A chimney pipe such as DuraTech or DuraPlus once you transition through a wall or ceiling.

Do I need double or triple wall chimney pipe?

Triple-Wall Stove Pipe Installation Inside buildings, chimney pipes have to be enclosed if they pass through living spaces. According to building codes, there must be a 2-inch clearance around your double- or triple-wall chimney pipe. In mobile homes, you must use a triple-wall chimney pipe.

What is the difference between single wall and double wall stove pipe?

This means you are able to keep your stove closer to the wall and save valuable floor space in the room! Single wall pipe has a minimum clearance of 18 inches whereas most double wall carries a minimum clearance of 6 inches – quite a difference!

What kind of pipe do I need for a wood burning stove?

Single-wall stove pipe is used on standard wood stove installations. According to CBMQ.com, it should be at least 24-gauge sheet metal or thicker — the lower the gauge, the thicker the metal. Typical code requires that single-wall stove pipe maintain at least an 18-inch clearance from any combustible material.

How hot does a single wall stove pipe get?

For safety reasons, UL specifies that manufactured chimneys must be able to sustain a continuous flue gas temperature of 1000ºF. That would correspond to about a 500-600º external temp on single-wall black stove pipe.

Can I use single wall flue outside?

It can run internally or externally and it achieves higher temperatures due to the layer of insulation. … Single wall flue pipe is not insulated and therefore loses a lot of heat.

Do you have to use insulated stove pipe?

Insulated pipe can be installed 2” from any combustible surface, but it releases less heat into your home. You can use single wall pipe up to the ceiling, but you must use insulated pipe through the ceiling, attic and roof.

Do you have to use double wall stove pipe?

It is always recommended that you use double-wall pipe in a mobile home. The reason why you must use double-wall pipe for a clearance of 18″ or under is because it is air insulated. The outside of the double-wall pipe does not radiate heat like single-wall does.

Does double wall stove pipe get hot?

The outside of the double wall pipe is getting heating by both the direct heat coming from the stove top and the heat radiated by the hot flue gases. The point of the flue thermometer is to know the temperature of the flue gases heading up the inside of the pipe.

Article first time published on

Is there such a thing as triple wall stove pipe?

Stove pipe is made in single- and double-wall versions. Chimney pipe also is made in two types, double wall and triple wall.

Where can you use triple wall stove pipe?

Triple-wall, all-fuel chimney for use with wood stoves, fireplaces, furnaces, boilers, stoves, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas.

How big should my stove pipe be?

As a general rule, the diameter of the chimney should match the flue collar on your wood stove. A 6-inch stove requires a 6-inch flue. In most cases, a step up is also fine. For example, you could vent a 6-inch stove into an insulated chimney that is 8 inches in diameter.

Can I complain about my Neighbours wood-burning stove?

Local Councils are legally obliged to investigate complaints made under the Environmental Protection Act 1990 relating to public health and nuisance issues, which include smoke and fumes from fires or stoves.

Can you pipe a wood stove out the side of your house?

Venting to an Outside Wall Because a stovepipe or chimney on an outside wall cannot eliminate the stack effect, placing your stove there can also result in a cold hearth and a less efficient wood-burning appliance.

Can I vent a wood stove through a wall?

Venting is an important component of all stoves. And wood, gas, and pellet stoves have different venting systems. … For instance, wood-burning stoves will always be vented through the roof of your house, but pellet-burning stoves can be vented vertically through the roof, or horizontally through the wall to the outdoors.

How hot is too hot for wood stove?

How hot is too hot when it comes to wood fire stoves and fireplaces? Anything over 800°F is starting to get too hot and could damage your wood stove or fireplace.

How hot does twin wall flue get?

How hot does twin wall flue get? Twin wall flues will heat up when in use as they transport the hot stove gases away from the appliance, the outer part of the flue can be over 90o C or 194o F.

How do you seal a wood stove chimney pipe?

Sealing. Use stove pipe cement or caulking material rated for use with a wood stove. The cement must be able to withstand high temperatures. Clean the area with a wire brush prior to sealing to remove any rust or debris.

Can you use single wall and double wall stove pipe together?

single wall pipe should fit into double wall without an adapter. … Double wall insulated requires an adapter with a screw-on end to fit the insulated pipe.

What is the purpose of double wall stove pipe?

Double wall stove pipe has superior insulation with 1/4″ airspace between the inner and outer pipe walls. This allows hotter flue gas temperatures improving draft meaning: Less chance of moisture or soot buildup within the vent. Less “smoking” of the stove at startup.

What is the clearance for double wall stove pipe?

Double wall stovepipe is used when you don’t have 18″ or more clearance from combustibles. Most of the double wall stove pipe allows for 6″ clearance from wall combustibles and 8″ from ceiling combustibles.

Where should a stove pipe thermometer be placed?

  1. Place the Thermometer on the top, front, or side of a flat or curved surface. …
  2. The optimum position is on the flue collar, or if not practical, as close to the collar as possible for a stable reliable place for monitoring the stove and flue gas temperature.

Which pipe is best for chimney?

You can use the plastic Chimney pipe during installation but it is not recommended to do so. The plastic pipes develop holes after a few months due to the hot air passing through them. So, it’s better to go with the aluminum pipe which is more long-lasting than the plastic ones.

How high should stove pipe be above roof?

Tip. Generally speaking, a chimney or other exhaust vent should be 3 feet above the roof, or 2 feet above any other part of the roof that sticks up within a 10-foot radius of the chimney.

Can you insulate around triple wall stove pipe?

You should never have insulation in contact with a wood stove flue pipe. Most code jurisdictions require the stove pipe be routed through a thimble to provide a safe distance from combustible materials. Air traveling over the surface of the flue pipe may be required to keep it safe and cool.

Is Class A chimney pipe double wall?

Class A chimney pipe is a double wall pipe that is designed to vent any fuel. This double wall chimney pipe is insulated with one inch of insulation on all sides of the pipe. So a 6″ inner pipe will have an 8″ outer pipe. The double wall construction can reduce the clearance to combustibles to 2″.

Is 4 inch pipe enough for chimney?

It is suitable only if your chimney exhaust size is 4 inches. Similar type Flexible Duct offers a flexible 4-inch pipe specially designed for kitchen chimneys. Its pipe size is Diameter is 4.3 Inches, Length 3.3 Feet and Expanded Up To 10 Feet (L x B x H).

Can you increase flue size?

4 (1) The cross-sectional area of the flue shall not be less than the cross-sectional area of the appliance flue collar, unless specified by the appliance manufacturer. However, increasing the flue to a size larger than the stove’s collar (or flue flange) is sometimes permitted.

Can a chimney be too big?

If it is too big, it may draw too slowly for the appliance, and may never heat up enough to compensate. For this reason, both flue undersizing and flue oversizing should be avoided. … If your chimney is too big, install a masonry or stainless steel flue liner that has the same CSA as the vent opening on the appliance.