How to Properly Install a Stove Pipe For a Wood Burning Stove

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There's not much that's cozier on a cold winter's night than a crackling fire in a woodstove. Woodstoves are both more efficient and safer to use than open-hearth fires, and a properly installed stove will last as long as your house does--or longer. The smoke from a woodstove must be properly vented through a chimney, but since a woodstove can't just sit in the fireplace, it must be connected to the chimney via a stovepipe. Note that this guide does not cover chimney preparation or wall pass-through installations.

Things You'll Need

  • Single or double-walled stove pipe (see warnings)
  • 2 90-degree stove pipe elbows
  • Metal shears
  • Screwdriver
  • 18 sheet metal screws
  • Measure the vertical and horizontal distance you need to cover with your stove pipe.

  • Cut the horizontal sections of the stove pipe so that their combined length (the crimped section that goes into the stove and the smooth section that goes into the approved chimney or wall pass-through) is a few inches longer than the distance between the stove and the chimney to allow for proper interface with the stove and the chimney. You'll want two sections of equal length, so that half will go between the stove and the first elbow, and half will go between the second elbow and the chimney. Note that when you install these pieces, they should rise slightly as they go back.

  • Cut the vertical section to be a couple inches shorter than the distance between the two horizontal sections, since it will be connected to them through the 90-degree elbows.

  • Attach the first length of horizontal pipe to the stove. The crimped end should go into the stove.

  • Attach the first 90-degree elbow to the piece of pipe you just attached to the stove.

  • Attach the vertical pipe to the elbow you have already installed.

  • Attach the second piece of horizontal pipe to the chimney.

  • Attach the second elbow to the horizontal pipe from the chimney and the vertical pipe. If either the vertical pipe or the horizontal pipe are too long to allow for a straight rise of the vertical pipe and a very slight rise toward the back in the horizontal pipe, cut them down to size until they fit.

  • Fasten each joint with 3 sheet metal screws.

Tips & Warnings

  • Consult your local fire ordinances and building codes before starting this project.
  • All stove pipes must be connected directly to an approved masonry chimney or a Stainless Steel Class "A" insulated chimney.
  • All stove pipes must be installed at least 18 inches from combustible walls.
  • Some areas require double-walled stovepipe.

References

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