Often asked: How To Install Triple Wall Chimney Pipe?

What is the clearance for triple-wall stove pipe?

Inside the enclosure, building codes require a 2-inch clearance around the double- or triplewall chimney pipe. While a double-wall class A chimney pipe is adequate for most installations, wood stoves installed in mobile homes are required to use a triplewall chimney pipe.

What is the difference between double wall and triple-wall stove pipe?

DuraPlus is a triplewall chimney system with a layer of insulation between the innermost wall and the middle wall whereas DuraTech is a doublewall chimney system with a layer if insulation between the two metal walls.

How long does triple-wall stove pipe last?

I think it is safe to say that the “design life” is about 20-25 years. In most cases, it will last longer, but if you are burning coal or in a salty environment (near beach) it may develop problems earlier.

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How much clearance do you need for double wall stove pipe?

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.

How close can stove be to wall?

The standard clearance recommended by the National Fire Protection Agency is 36 inches. This means that the back of the stove should be 36 inches away from any combustible material, such as woodwork, unprotected walls, furniture and even firewood.

Do you need double wall pipe for wood stove?

You have to use double walled pipe when going through walls and floors and what not because the double wall and the space between the pipes cools enough that it can come in contact with wall materials. Single walled pipe would get hot enough to ignite the surrounding materials.

Can I Reducing 8 inch stove pipe to 6 inch?

Because that particular stove needs it! Either the design or the capacity of the stove is such that a 6” will not removes the exhaust in a timely fashion. So, if you reduce an eight inch to a six inch, you are asking for trouble.

Do I need single or double wall stove pipe?

Should I buy single wall or double wall stove pipe? It depends on your clearance to combustibles. Single wall black stove pipe needs to be at least 18″ from combustibles, will radiate more heat than double wall black stove pipe (desirable in most cases), costs way less, and can be cut to length if needed.

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Do you screw stove pipe together?

Minister of Fire



Remember, some stove pipe is not welded, especially single wall – it uses a clip seam – if you don’t screw it to the next section, then a stress (like inserting the piece above it to far, or not at a perfect angle) or force over time can cause that seam to “unzip”.

Can you vent a wood stove out the side of a house?

For best results, vent wood stoves through an interior wall. Chimneys or stovepipes for wood-burning stoves or fireplaces work on the principle that the hotter the pipe or chimney, the more draft delivered to the fire.

Can I use black stove pipe outside?

Absolutely not! Black pipe is not chimney pipe and should only be used up to the point of penetrating the ceiling or wall. It’s more than just a question of “touching”, and single-walled pipe may have clearance requirements of 18 inches.

How much does it cost to install a chimney?

For a masonry chimney that is 30 feet in height, expect an average cost range between $4,000 and $8,000, with most homeowners paying around $6,500 for the job.



Chimney Cost.

Chimney Installation Cost
National average cost $6,500
Average range $4,000 – $8,000
Minimum cost $3,500
Maximum cost $11,500

How do you insulate around a chimney pipe?

Seal the gap between the flue and metal flashing with special high-temperature caulk. Don’t use spray foam. Form an insulation dam to prevent insulation from contacting the flue pipe. Cut enough aluminum from the coil to wrap around the flue plus 6 inches.

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