Wood Stove Install 3 Part 3 Adjust Cut Stove Pipe Length Howto DIY

DIY HOW TO INSTALL - CONNECT a wood stove's stove pipe to an existing chimney flue liner.

This is part 3

In this episode, we adjust the length of the four foot straight stove pipe to fit our present installation by cutting the pipe to the size we need. First we will insert the stove pipe four foot (4') section into the top of the stove,with the crimped edges down, as the stove manufacturer requires. Then we attach the elbow pipe to the 6"-8" adapter that is stuck to the chimney flue using epoxy (furnace cement) (see episode 2)[email protected]

https://www.youtube.com/watch?v=R4zG8IOh0Fw

It is important to allow the elbow to angle downward, by having a slightly larger gap at the top of the seam between the two pieces. This allows the smoke to travel up and out the flue, rather than back into the house.

The standard is to have a one-quarter-inch (1/4" ) vertical rise at the end of the pipe closer to the chimney for each one foot (1') of horizontal pipe.

So, if you have a four foot (4') long pipe sitting horizontal, make sure the end of that pipe closest to the chimney is sitting one full inch higher than the other end of the pipe farthest from the chimney. If your horizontal pipe is only 1' (one foot) long, the end closest to the chimney would be 1/4" (one quarter inch) higher, and so on. [Two foot horizontal pipe would slope upward 1/2" (one half inch); three foot horizontal pipe would slope up 3/4" (three quarters of an inch) etc.]

This slight angle allows the smoke to travel better, creating a good draft or pull that sends the smoke out. If you don't do this, the smoke can back up into your house (negative draft); or it will linger longer in the pipe, causing creosote to build up, which can lead to a chimney fire or worse. More details in the video.

The stove is brought close to the chimney, to allow you to measure where the straight pipe section should be cut so it will fit into the elbow joint. Score (mark the pipe with a hacksaw blade).

Remove it and make additional marks using a tape measure and the hacksaw blade. Then cut the pipe using your hack saw.

Tools and materials are listed in the description.

Tools / Use
wire brush to clean flue liner extender of soot and epoxy
leather gloves to protect hands from sharp edges on metal stove pipe edges -very important
drill - cordless or any
long metal-drilling drill bit to drill thru stove pipe to install damper
spatula or trowel to apply furnace cement
hack saw to adjust stove pipe length
tape measure or ruler
scissors to cut the rope seal

Materials used
glass sealing rope to seal between flue liner and extender
furnace cement to fix extender in place
water bottle sprayer and / or moist rag to prep ceramic flue liner extender for new furnace cement to bond it to metal stove pipe extender

Bo, our bodacious Border Collie, makes a cameo appearance. 🐾🐶🐾

Be sure to follow local fire codes and manufacturer's guidelines for safe installation regulations.

We are not experts. If you have concerns, contact a professional.

© DNA


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