Today brick corner fireplaces are considered one of the most practical and versatile heating structures. They allow you to heat the room, give the room a more elegant look. Moreover, some types of such fireplaces are designed in such a way that they can be used to cook food. Let's find out what are the key features of these designs and how to create them.
Such heating structures can have different designs, so they are able to perfectly complement any interior. These fireplaces are relatively easy to build. Their device allows you to heat one or several rooms at once. The laying time of such a fireplace can be different: this work can be done immediately during the construction of a house or during repairs; also, it is allowed to erect a heater after the end of all major work. But despite this, experts recommend laying out the fireplace before installing the floor covering, so as not to deal with the arrangement of the floor again later.
An important advantage of such structures is their compactness. Since they are erected in the corner, most of the usable area of the room remains free. This allows you to furnish the room at any discretion. In addition, there is no need to think over the installation of a complex chimney system (as, for example, in the case of fireplaces located in the center of the room). The chimney can be built on top of the entire structure, which saves time and resources.
Arrangement of a chimney
High-quality construction of a corner fireplace cannot be carried out without taking into account the dimensions of the chimney. This part of the heating structure is considered one of the most important, because it is it that ensures the release of carbon dioxide generated during combustion. In fact, the safety of the inhabitants of the house depends on this element.
When erecting a chimney, you should pay special attention to its dimensions. They should be selected based on the power of the entire heater: the higher it is, the more smoke is emitted, which means that the pipe should be wider. If the diameter of the pipe is insufficient, smoke will accumulate and seep into the house. This is fraught with tragic consequences.
Another important fact is that the chimney will get very hot. Because of this, a special type of brick must be used during its construction.
Features of the base
The basement part is called the element of the fireplace installation, located under the firebox. It is a kind of pedestal on which the entire structure is located. As a rule, the thickness of such a pedestal is 3 bricks, although these values may be different (they depend on the project of the fireplace and its expected power).
Thanks to the basement part, the stability of the entire structure is ensured. In addition, it protects the floor and nearby elements from fire. Many experts consider the plinth to be the most important part of the fireplace, because the future operation of the entire heater depends on the correct layout. Therefore, when erecting it, you should closely monitor the level (it should be perfectly horizontal).
To provide greater convenience when cleaning the fireplace, the plinth can be equipped with a niche into which ash will fall. In this case, a steel mesh ceiling should be erected above the basement niche. With such a structure, the wood ash formed in the fuel compartment will fall into a niche, from where it can then be taken out with an ordinary scoop.
The second most important element of the fireplace structure. Its creation is considered the most difficult, because requires consideration of many factors. It is easy to guess from the name that it is here that fuel (firewood, coal) will be burned, which means that an extremely high temperature will constantly be present inside this compartment.
Due to the high temperature conditions, the fuel compartment must be laid out of a special brick using a special technique. As a rule, fireclay bricks are used for such work. The joining of brick components is carried out using a so-called warm joint with a thickness of about 3 mm. Often, the fuel bays are laid out in 2 layers, with the second layer being constructed from simple bricks. This is where the importance of the warm seams of the inner layer manifests itself: they protect the outer skin from excessive heating, due to which it does not deform, and the person does not burn when touching it.
In terms of design, this is the most important part of the heater. It is she who gives the entire structure an elegant look. For this reason, when laying out the portal, you should think about how the finished fireplace should look. A pre-prepared project containing drawings and diagrams of the entire structure can help in this.
In principle, the design of the portal and its dimensions can be different, however, there is one detail, the presence of which is mandatory. This is a special steel ceiling located at the bottom of the partition. This element makes the structure more stable and provides more efficient heating. It is important to take into account the fact that this overlap must be outside the working area of the fuel compartment. Otherwise, it will prevent smoke from entering the chimney.
When building a wood or coal fireplace, you can equip additional components. These components can make heaters more beautiful or perform some function. For example, for a summer residence, a mini-fireplace with an oven would be an ideal option. The structure of such a fireplace is standard, however, a niche is created between the fuel compartment and the main portal, in which you can bake various dishes (from bread to everyone's favorite pizza). When constructing such an “oven”, it should be remembered that it should not completely cover the fuel compartment, so as not to interfere with the smoke from entering the chimney.
An arch located above the portal can become an elegant decoration of a corner fireplace. The construction of such a decoration is a rather difficult process. It is recommended to carry out this work according to a professional project, where the order is detailed (the order of laying out brick components).
How to calculate the optimal size?
According to the standard, the ratio of the area of the combustion chamber to the area of the room is 1:50. As an example, consider the following values:
- if the room has an area equal to 15 square meters, then the area of the combustion chamber should be 0.3 square meters;
- with a room area of 20 squares, the firebox area will be 0.4 square meters.
It should be remembered that such calculations are only suitable for houses with standard ceiling heights. If the ceilings are too low (or high), it is recommended to consult a specialist.
What will it take to work?
In order for the corner fireplace to serve as long as possible, and its operation was safe, it is necessary to use 2 types of bricks: fireclay and clay corpulent fired. The connection of all components must be carried out using a special clay solution. Such a solution is made as simple as possible: you need to mix sifted quarry sand and clay. To make the mortar more durable, you can add Portland cement grade M300 and higher.
It is better to equip the foundation with crushed stone and chamotte chips. It is better to use steel corners to create portal lintels.
As mentioned above, the inner part of the fuel compartment must be built from fireclay bricks. The outer facing of the firebox and chimney can be made of red clay bricks. When erecting the street part of the chimney, you can use ordinary finishing bricks, because it tolerates the effects of atmospheric precipitation well.
The working process
The work on creating a corner fireplace for a summer cottage or home can take place in different ways. But usually the following actions are required:
- dig a pit of the required size;
- tamp the bottom of the pit and fill in a 10-centimeter layer of gravel;
- install the formwork on top of the gravel, and then fill the space with large stones;
- fill the gaps between the stones with gravel;
- knead the cement-sand mortar;
- pour the resulting solution into the formwork (layer about 10 cm);
- give the foundation a day to dry;
- after that, on top of the first layer of the foundation, pour a layer of broken brick and rubble;
- fill these components with concrete;
- carefully level the foundation layer;
- then remove the formwork;
- cover the foundation with two layers of roofing material;
- after that, start laying out bricks, relying on the design order;
- during operation, pay special attention to the arrangement of the base and the fuel compartment;
- carefully align the joints between the bricks.
After completing all the work, give the structure a day so that all connections are securely seized.