Often asked: How To Install A Wall Thimble?

Do I need a wall thimble?

Running any residential or building heating appliance, burning gas, liquid, or solid fuels through a combustible wall, will require an Insulated Wall Thimble as your passageway to connect appliances to interior or exterior masonry chimneys. Clearance for double wall stove pipe is 6″ for these areas.

How do you install a flue pipe in the wall?

Cutting the Holes

  1. Position the stove so the back is at least 16 inches from an outside wall.
  2. Attach the 90-degree elbow temporarily onto one end of the long section of chimney pipe.
  3. Locate and mark a stud in the wall at each side of the mark, using a stud finder.
  4. Cut the outline in wood paneling, using a jigsaw.

Which way up does flue pipe go?

Condensates in flue pipe are unavoidable and installing with the spigot end facing upwards creates ridges in your system that water can collect and sit in, which will greatly reduce the life of your stove pipe.

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What size wall thimble do I need?

The Wall Thimble is designed to adapt to any wall thickness from 3-1/2” to 6” thick. If the wall is thicker than 6” the Wall Thimble may be extended using a piece of 6” diameter snaplock or welded seam galvanized pipe up to 6” long. Select one half of the Wall Thimble for the outside of the wall.

Can you vent a wood stove through the 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.

Can I install a pellet stove myself?

Installing a pellet stove, if allowed by local code, requires only modest do-it-yourself skills. Because a pellet stove, like a fireplace, is an attractive addition to a room, it is best located where the family can enjoy it and where it will provide the best benefit as a heating source.

Where should a pellet stove be installed in a house?

The Best Placement



Installing your pellet stove near a stairway is an ideal location because it provides heat to the upper and lower levels of your home. The best placement within the room is near an exterior wall so you can vent the pellet stove directly outside.

Can you run pellet stove pipe horizontal?

Pellet stoves can be vented vertically through the roof or horizontally through a side wall. It’s always a good idea to get some vertical rise with the L-vent pipe, before venting horizontally through a side wall.

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How do you insulate a wall behind a wood stove?

Mineral Wool insulation will do the trick but that stuff is nasty, you will want to cover is up and not leave any air space. If you need to, steel studs or channel will work in the place of studs to support your cement board. (non-combustible).

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.

Does the crimped end of stove pipe go up or down?

One end of the pipe has 4 pre-drilled holes for the screws. This is the non-crimped (female) end. The end without the pre-drilled holes is the crimped (male) end. Heat-Fab stovepipe is designed so that the crimped (male) end of the pipe always points toward the stove.

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 singlewall black stove pipe.

Can you join flexible flue liner?

A chimney liner must not be joined (unless in a place accessible for inspection via a suitable inspection hatch). To make matters easier – just do not join two or more pieces of liner together. 2. Gas liner must not be used on a solid fuel stove.

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