Before making chimney, you need to thoroughly explore all the requirements and norms on its device, as well as on the installation of the boiler itself, which may vary depending on the particular manufacturer. The following requirements are known to adhere to the creation of chimney with their own efforts: it is made of stainless steel or brick; It can not have narrowings, should be perfectly smooth. In addition, in order to avoid gas leaks, you need to most easily perform all the connections of individual elements.
How to make chimney for the boiler with your own hands?
To properly make the chimney and comply with all the requirements of fire safety, you need to consider the diameter of the chimney pipe, which directly depends on the power of a particular boiler. The chimney cannot be very narrow, as it will make it difficult to pass the combustion products and will lead to their accumulation indoors. If the pipe, on the contrary, will have a very large diameter, then this can entail a malfunction of all the functions of the boiler.
As a rule, the discharge tube is arranged from an external and inner layers. The inner layer is necessarily made of stainless steel, since it can withstand the products of combustion, which, react with condensate, are converted into a hazardous acid that can eliminate other metals. Most often, the formation of condensate occurs on the plot of the pipe, which passes through the attic room and goes to the street.
Before creating an outer layer, the resulting chimney should be wrapped with a layer of basalt wool, which will reduce the process of the formation of condensate. It is possible to avoid such a design only as a result of brickwork, when a special device for collecting condensate is installed at the bottom of the pipes.
Internal chimney, which moves straight from the gas boiler, should be removed from the room to the street, while observing the mandatory tightness, and in places of contact with the roof, there should be only a non-combustible finish, which is one of the requirements of fire safety. The height of the pipe 0.5 m should be higher than the lip of the roof (in the event that the installation process takes place very close to it). Read more about the height of the chimney now I will tell.
From the drawing it can be seen that the minimum height of the chimney should be 500 mm above the skate when remote from it up to 1.5 m. If the roof is flat, then 500 mm from roofing.
If the distance from the skate is from 1.5 m to 3 m, then the height of the chimney should be lurted with a skate.
With a distance of more than 3 m, the top point of the chimney is placed at an angle of 10 degrees relative to the skate.
If another, higher, the chimney is attached to the heated building, it is worth raising above the upper point of 0.5 m. Also, if the roof is made of combustible material, then the height of the chimney relative to the skate should be increased to 1-1.5 m. Along the height of the chimney will affect the neighboring buildings directly near.
To provide additional safety, the chimney tube can be addped from the outside. In this case, the boiler must be placed inside the house near one of its walls. In turn, the connecting gas duct is joined, through which the chimney is joined with a gas boiler. Power chimney has many advantages. For example, it is fairly easy to repair and install; It is such a chimney will never allow carbon monoxide to get into the premises itself.
Also, for the construction of the chimney pipe, it should be considered that the material from which it is done should be perfectly smooth, since the corrugated surface will not be able to create a craving that will truly safe for health.