Can I remove the chimney from my house?

Can I remove the chimney from my house?

Wind in the chimney

If your old chimney is useless, you may want to consider removing it. Unfortunately, this is not as simple as it sounds and may even be more costly than it’s worth. There are a number of important factors to consider before you start tearing down your old chimney. While the chimney removal process itself is fairly straightforward, you should take a few precautions before proceeding with this project.

Step 2. Starting from the top of the chimney, remove one brick at a time using a chisel, hammer or masonry mallet. Stack the bricks in a 5-gallon bucket and lower it to the ground with a rope. Repeat the process if necessary.

Step 3. Once you’ve gone under the roof, you’ll see large holes that will need to be repaired with framing or eaves. You will also need to fill in the wall sheathing from which you removed the chimney hood.

Some people choose to remove the chimney hood and leave the stack intact, while others go all the way and remove both. When you remove the chimney hood, you will also have to remove the chimney from your fireplace, so if your budget is limited, it may be best to opt for a partial removal.

How much does it cost to remove a chimney?

The average cost of renovating a chimney is between 500 € and 1.000 €, although this price can be higher depending on the type of work to be done and the elements to be worked on.

How much does a chimney have to protrude?

The chimney or smoke outlet must have a minimum height of 1 m with respect to the ridge of the building. If there are adjoining buildings, including your terrace, the chimney should be separated from it by at least 3m.

What should a chimney outlet look like?

What a flue pipe should look like

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For example, indoors it should always be circular in shape, have sufficiently strong thermal insulation to withstand the temperature reached by the chimney and should have no angles if possible, or no more than 45 degrees.

Fireplace Smokes in the Home

Chimneys and smoke vents in communities is a hot topic. Sometimes, it is necessary to install a smoke outlet in the community. The main reasons are the adaptation of the boiler or the adaptation of a room for, for example, its use in hospitality. However, to open the hole and ready is to play with fire. Before you start to bite, we recommend that you read what you can face.

First of all, we warn you, the legislation is diffuse, so the courts will decide one way or the other depending on each case. Therefore, we will briefly analyze the possibilities that you can find within the regulations. Later, we will give you some hints to avoid problems in the Board.

Plain and simple. But let’s be clear: we are sure that the installation conditions will also be detailed. If they are followed to the letter, it will only be necessary to communicate the beginning of the works to the president and administrator.

For a long time, when there has been an alteration to the configuration of the building, unanimity has been required at the General Meeting. However, this resulted in the paralysis of the community when there were misunderstandings between neighbors. Therefore, since 2013, the Horizontal Property Law (LPH) in its article 10.3 does admit the approval by majority of 3/5 for the alteration of the structure of the building or the modification of the common areas. However, be careful with this point. If you want to play it safe, get unanimity.

How much does a chimney have to come out of the roof?

The chimney cap should be located +/-1 m above the roof.

How to measure the height of a chimney?

It is calculated by multiplying 70 by a climatological index (I0) calculated according to the temperature and humidity parameters of the environment where it will be located.

How many elbows can a chimney have?

Think carefully about the location, since the smoke outlet must be straight or at most include two 45º elbows (usually manufacturers advise only one) and between elbow and elbow there must be a maximum separation of 50 cm, thus avoiding placing 90º elbows.

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I am renovating my house and I have an old fireplace in the center of the wall, I would like to know if I can move it to the corner and an idea to put the tv and some shelves (the plaster shelves will be removed).

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I am renovating my house and I have an old fireplace in the center of the wall, I would like to know if I can move it to the corner and an idea to put the tv and some shelves (the plaster shelves are going to be removed).

You should first decide if you are going to install a fireplace insert or hearth type. The difference is that inserts have built-in fans that help the draft and can even send the heat to other rooms.

A traditional fireplace or hearth, can not practically deviate (you could install elbows of 30 ° or at most 45 °) but to take the smoke chamber so that the draft does not plaster, the elbow should be placed from that point, without achieving much displacement.

If it is an isolated house you can always make a new chimney where you want, with its new ducts and structure, and simply throw the other without taking advantage of anything. There already comes into play the budget you want to allocate for this purpose, and if you compensate the aesthetic and functional result obtained with respect to other options.

What are the measurements to build a fireplace?

As a general rule, a chimney will be between 70 centimeters and one meter wide. We can make an approximate calculation and measure the square meters of the room, reduce them to centimeters and add 15% to the measurement.

How to make a chimney smokeless?

One of the things that we can do if the chimney does not pull well and we want to improve the draft of the chimney is to place a rollex or aspirator type chimney cap. This type of chimney cap what it does is to rotate making an upward absorption effect of the smoke with what will improve the draft of the flue.

What is the name of the part where the smoke comes out of the chimney?


The flue is the channel, usually metallic, through which the fumes generated in the combustion process flow from the fireplace to the outside.

How to sweep a chimney and change the chimney gasket

In the term chimney we should distinguish between the flue, which is the interior duct through which the gases from combustion circulate and whose characteristics are of interest, and the rest, envelope or insulated and resistant structure that can take many forms. The vertical part of the chimney from the crown to the base is called the chimney shaft. There may be other non-vertical sections, which are connecting ducts between the chimney itself and the smoke box, which is the meeting point of the generator with the chimney.[2] The chimney shaft is called the chimney shaft.

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As can be deduced, the most important thing to obtain a good combustion is that the necessary amount of air reaches the fuel and that the mixture between fuel and comburent is as perfect as possible. This is done to a large extent by the chimney, which thus becomes a fundamental element to achieve good combustion performance.

When a wide vertical tube is placed over a fire, the flame becomes longer and lighter, because the hot gases formed, less dense than the cold air outside, rise up the tube, which produces a depression at the base of the chimney, the greater the difference in density between the hot gases and the cold air. This depression or difference of densities is what is known as natural draft and is what produces, that the space left by the hot gases evacuated through the chimney, is filled by new cold air, which enters through the mouth of the fireplace, providing new oxygen for the continuity of combustion. It should be ensured, therefore, that the new air that enters the fireplace does so in such a way that it comes into contact with as much of the fuel as possible.