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The Daily Insight

What kind of stove pipe do I need

Author

Emma Valentine

Published Apr 13, 2026

A. To get that answer, all you need to do is look at your wood stove and measure the inside diameter of the flue collar on the wood stove itself. If the stove has a 6” flue collar, then you should use 6” stove pipe and 6” chimney pipe through the roof.

What kind of stove pipe should I use?

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 do I choose a stove pipe size?

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.

Should I use single or 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.

Is there a difference in stove pipe?

What is the difference between stove pipe and chimney pipe? Many confuse the terms. Stove pipe is usually painted black and is used in the interior on the home until you transition through a wall or ceiling then class A chimney pipe is used thereon. Stove pipe, black pipe, single wall pipe all refer to the same thing.

Can you use double-wall stove pipe outside?

To do this requires that the pipe remain cool on the outside by having an internal design that creates a fire-safe venting system. … The goal is to minimize the outside diameter of the pipe and the allowable distance from combustibles. This can be 2 inches for double-wall pipe and 1 ½ inches for triple-wall pipe.

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). Its color is silver.

Can you use single wall stove pipe inside?

Use Single Wall Black Stove Pipe from your stove to a thimble or ceiling transition box, never inside a combustible wall or inside a chimney chase. An 18 inch clearance to combustibles is required and these pipes feature an unheard of fume-free finish.

Can you use single wall pipe for wood stove?

You need to look carefully at the wood stove manufacturer’s requirements, but most wood stoves need a large draft to operate correctly and loss of heat through a single wall pipe causes too much loss of draft as well as creosote problems eventually leading to a chimney fire, if you can manage to keep your stove lit.

What is the standard chimney flue size?

Flue tile should be at least 5/8-inch thick. It is available in several sizes. The most commonly used sizes in residential construction are 8 by 8 inches, 8 by 13, and 13 by 13 (outside dimensions).

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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 I use B vent for a wood stove?

No can do. A stove like the Lange is rated same as other woodstove, for continuous 1000 F. B vent is aluminum, which would melt very quickly at the 1400, 1700 and 2100 test temperatures of the chimney needed for you unit.

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.

Can you side vent a wood stove?

Although putting a wood stove on an interior wall works best for a number of reasons, you can vent the stove to an outside wall if the interior option is not possible.

Which way does wood stove pipe go?

The male end of the stove pipe for wood burning should always point down and/or pointing at the stove. Also, the wood stove pipe should always be inserted into the collar of the wood stove outlet. This may sound backwards considering the direction in which the flue gas is traveling.

Which pipe is better for chimney?

Stainless steel is the most preferred material for the chimney duct pipes because of its strength, durability and resistance to corrosion. Materials like PVC and aluminium are also used for the chimney ducts.

What should be the height of chimney from gas stove?

If you have an electric stove then the optimal height of your chimney must be 60-80cm (25-30 inches). For gas stoves, the ideal height of the chimney must be around 45-60cm (18-24 inches). To know the accurate measurement of the height, do refer to the manual of your chimney.

What is the size of kitchen chimney?

Most kitchen chimneys are available in standard sizes of 60 cm and 90 cm. Choose the size of the chimney depending on the size of the stove and the size of the kitchen.

How hot does double wall stove pipe get?

These pipes only need a 2-inch clearance to combustibles because they remain cool on the outside, while their internal design allows them to withstand temperatures as high as 1,700 or 2,100 degrees Fahrenheit for a limited time.

Can wood stove pipe through wall?

If you’re setting up a wood-burning stove or pellet stove, running the chimney pipe through an outside wall saves the time and costs of installing a vertical chimney that requires a ceiling collar and roof flashing. … For brick or stone walls, enlist a professional to cut the holes.

Can you use insulation around 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.

How thick is black stove pipe?

Product Description. 6″x36″ Black Stove Pipe is a heavier steel (22 gauge) and the welded seams ensure stability in the event of a chimney fire.

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.

Can double wall stove pipe go through roof?

You can use double wall or single wall connector pipe between the ceiling and stove depending on your application and clearances. Once to the ceiling you must transition to class A (expensive) stainless material and go all the way to the chimney cap with it.

Does stainless steel stove pipe rust?

As you may be able to guess by its name, stainless steel gets its name from the fact that this metal resists corrosion, rusting and staining. It keeps its strength at the high temperatures present inside a chimney. Plus, stainless steel is easy to clean.

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.

What is black stove pipe used for?

This 9″ x 24″ high heat black stove pipe is used to connect a wood stove on the interior of your home to chimney pipe. This pipe has a maximum operating temperature range of up to 800 degrees Fahrenheit due to a special high heat coating that is directly applied to the cold rolled steel substrate.

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.

Do you have to use triple-wall stove pipe?

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. You can find a 6-inch DuraVent triple-wall stove pipe kit that should have just about everything you need for a triple-wall stove pipe installation.

How long can a horizontal stove pipe be?

Maximum overall length of straight pipe: 3 m (10 ft.) The assembly should be as short and direct as possible between the stove and chimney. The use of two 45 degree elbows is often preferable to a single 90 degree elbow because less turbulence is created in the exhaust flow and they result in less horizontal run.

What type of flue is required for a wood burning stove?

The general rule is as follows: For a stove of up to 20kW a minimum of 6” diameter flue is needed. You can use a 5” diameter flue liner if you have a DEFRA approved stove and the manufacturer clearly states this is compatible.