Installed through a window, it is designed to remove smoke from the house. These pipes are common on wood stoves and improper installation can create a fire hazard. To kick the stove pipe out the window, you need the right materials and a plan.
Maximum total length of straight pipe: 3 m (10 feet) The installation must be as short and direct as possible between the stove and the flue. Unsupported horizontal length: 1m (3ft). Galvanized flues must not be used as the coatings evaporate at high temperatures and emit dangerous gases.
Cut the holes
- Position the oven so that the back is at least 16 inches from an exterior wall.
- Temporarily attach the 90-degree elbow to one end of the long section of the chimney.
- Find and mark a nail in the wall on either side of the mark with a nail finder.
- Cut out the wood trim with a jigsaw.
For example, wood stoves are always ventilated through the roof of your home, but pellet stoves can be ventilated vertically through the roof or horizontally through the wall to the outside. The same goes for gas stoves, the ventilation can be vertical or horizontal in both directions.
The pipe connected to a wood or pellet stove does not need to be sealed unless there are holes or leaks. Each section of the hob has a female end and a male end for connecting the pipes to each other. Permanently sealing a cooker hood is a completely different matter.
Why the angle is important Never install a hob that is completely horizontal. Accumulation of creosote can also clog the stove pipe and cause smoke to return to the room. A steep enough angle for the pipe prevents creosote from building up in the pipe and ultimately prevents house fires.
The top of the chimney must extend at least 2 feet above the top of the roof when the pipe is less than 3 feet from the top. If the pipe is longer than 3 meters from the roof, it should be less than 3 meters above the highest point of the roof.
Single wall stove pipes are used in standard wood stove installations. It should be a sheet of at least 24 gauge or thicker, the lower the gauge, the thicker the metal. A typical code requires the single wall stovepipe to be at least 18 inches free of combustible materials.
If possible, avoid arcs in the smoke duct, the fewer arcs, the better the upward draft in Great Britain, and HETAS does not recommend more than four 45 degree arcs in any system. When installing a stove, keep in mind that the higher the chimney, the better the draft.
If your stove still doesn’t work properly, you may not have enough roof space. The smoke is absorbed in the chimney, the higher the chimney, the better the draft from the front. This can vary, but without enough space, the chimney will not be able to get enough draft.
A common point of confusion for many stove owners is figuring out which direction the compressed end of the flue outlet should go towards the stove (bottom) or up towards the chimney (top).
The chimney must extend at least 3 feet above the roof surface it is crossing and 2 feet above the roof line or other obstacles for a horizontal distance of 10 feet. Taller chimneys create more draft, but chimneys exposed to the cold outside do not. See our section on fireplaces.
In the current document J, the maximum horizontal length of the chimney from the rear of a device in a chimney is 150 mm. It is important that it is easily accessible for cleaning, especially whenever the chimney changes direction.
A modular 12x12 channel is now just a 12x12 channel. As mentioned above, standard drain pipes have been designed to fit standard brick. For example, a 13x13 fireplace can be filled with eight standard hallway bricks to make a 21x21 fireplace.
When installing a wood stove, gas fireplace or fireplace in a new building, a fireplace surround that complies with Document J of the current building regulations is required. In an older property, a chimney may be needed if the smoke outlet in the chimney is no longer safe.
You will need two people to successfully install the cladding, one at each end of the chimney. The person on the roof must be securely fastened! From the top of the roof, start sliding the siding along the post. The person at the bottom of the pile should hold the rope and resume the slack.