Cap on the chimney pipe: design, how to make their own hands

Often see beautiful and unusual hats, which the owners of the houses are placed on the chimney flue. At first glance, it seems that they perform only a decorative role, but they have features that are very important when it comes to the safety of the chimney. Consider why there is a cap on the chimney pipe, on what basis it is selected, what kinds of structures exist and how to make it with their own hands.

What is required of the chimney cap on the tube

Caps on the chimney - a very common phenomenon. Nevertheless, many people are confused tangent that for which they are needed. Some people believe that they are protecting the pipe from the condensate. However, this is not quite true. Evaporation and collect moisture occurs in the interior of the tube and the cap on the chimney pipe (photos online well demonstrate the principle of its action) is of little help.

What is really needed in the hood flue pipe? Consider a few of its main features:

• protecting the inside of the pipe from falling into various foreign objects, dust and debris;
• Extension tube operational life by protecting against precipitation;
• some hoods, thanks to its design, increased traction in a pipe and do not allow strong winds to overturn it;
• perform an aesthetic function, giving the tube an attractive appearance.

We have to admit that most of the decorative flyugarok on flue pipe does not improve the functional characteristics of the pipe, but rather reduce these figures. Exceptions to this rule can only be read heads with the following types of design:

1. Weathervanes-deflectors.
2. Nozzles with similar industrial exhaust vents.

The first variant is much more effective than the latter. The semi-cylindrical body is movable due to bearing. It can rotate depending on the weather conditions, as well as a weather vane tab fixes it so that he was constantly rotated to wind back. As a result, the chimney draft is increased due to the vacuum formed inside.

The principle of operation of the second mechanism is as follows: a vacuum appears inside the vent, thanks that the air flow generated by wind load on the brick encloses headroom pipe chimney. As a result of this "umbrella" functions differently, depending on weather conditions: when it is windy, it enhances traction and calm, on the contrary, decreases.

Note!A strong argument in favor of the first embodiment is that the structure Flue pipe for chimney cap It eliminates the danger of blowing wind thrust that nevertheless sometimes happens in the case of using the second type of system.

Varieties caps for the chimney

In addition to the already discussed designs, there are many others who are also widespread. They are all united by a common principle of action and devices - are devices that are used to covering the cut pipe, while leaving a small clearance to the combustion products can exit from the tube out. The shape of the deflector on the flue pipe can be almost anything, but on the material manufacturing can be divided into several groups:

• galvanized (roof) of steel;
• of galvanized metal, on top of which polyester powder coating is applied;
• stainless steel;
• copper;
• fused titanium and zinc.

If we talk about the manufacture of the cap with your hands, then this is most often used galvanized steel about 0.8 mm thick. This embodiment is most preferred because of its availability and relatively long life (about 20 years). To better understand the structure of the cap on the chimney, photos and charts will serve you an excellent reference.

Galvanized steel is only one serious drawback - it quickly loses its original appearance fades. It is exposed to various external factors that have a negative impact on it. Significantly better withstand such impacts metal which additionally has a coating powder, but such material is appreciably more expensive.

All other metals maintain their appearance for a long time, but their cost is several times higher. However, the cost is reflected not only in their appearance, but also the life cycle. Although copper with time and tends to fade, here we are talking about decades rather than for years.

How to choose and buy a cap on the chimney

Choose the correct cap design - no easy task. First and foremost it is worth to take into account the type of boiler used and the type of fuel that is used. As an example, consider the fact that the flue gas boilers the pipes are only suitable nozzles in a nozzle. They have an open top, and only suitable for use in this case.

Note!Installing nozzles on pipes which provide from chimney gas boilers regulated regulations that prohibit the use of umbrella-caps for this type of chimney.

Such a ban has a logical rationale: in the winter, when the temperature drops below zero, the chimney cap is subject to freezing and can be covered with ice. Over time, ice can close the large opening part allotted for the smoke, resulting in its accumulation within the structure. In this case, there is a serious danger to the health of residents of the house, as accumulating inside the smoke can cause severe poisoning.

Freezing occurs as a result of condensation, which appears on the cold metal surface by contact with combustion products sufficiently warm. The situation is different only solid fuel boilers. Due to the fact that its efficiency is almost never exceed 70-80%, the gas temperature, respectively stays within 150-250 ° C. It is not dangerous and the use of the nozzle is quite acceptable.

Useful advice!Do not forget that in the case of solid fuel use, the cap very quickly covered with black soot. So do not choose too complicated relief models that can not be cleaned.

What are Dymnikov depending on the form

A variety of forms of modern Dymnikov very large. Here you can find almost any options. Consider the most popular ones that have an unusual geometric shape and can decorate any pipe:

• wind vane standard forms: the form has a hipped roof house;
• smoke hole in the Art Nouveau style: arranged according to the type of standard, but in addition has a flat pommel;
• smoke hole in the European style: it has an unusual appearance because of the semicircular finial;
• Caps with gabled roof, which has four ramp (very functional construction, which is well ventilated and thus protects the pipe from the snow);

• with wind vane weather vane;
• wind vane, equipped with lid coming off.

Vane with vane characterized in that located inside the structure special valve that allows combustion products leave the tube calmly even in the windy weather. A further opening cover allowing easy access to the flue-gas channels to produce their purification.

Depending on the shape of the roof Dymnikov divided into the following categories:

• tents;
• gable;
• hipped;
• semi-cylindrical (or arched);
• flat;
• shpileobraznye;
• chetyrehschiptsovye.

However, in most cases, this option does not affect the functionality of the device and is used solely for aesthetic purposes, providing chimney unique appearance.

What is the cap on the chimney pipe to buy, given the structure of the pipe

Another parameter which should be guided in choosing the cover - the structure of the chimney. The ideal option is considered to be a three-layer structure of modular panels. In this case, the protection of the chimney from the rain just is not necessary. Any moisture that gets inside, no negative effect on the tube, and on the other hand, is good for, cleaning the pipe and gathering in the condensate.

If we are talking about gas boilers, there are no other options but to the nozzle. But if you are dealing with a solid-fuel system, then there are a lot of options, but the most popular and functionally justified assumed deflector weathervane. Demonstrate the beauty of Dymnikov pictured tube, a large number of offers on the Internet.

Many questions arise when it comes to settling the brick chimney. There are no contraindications, if you are dealing with a solid-fuel system. In this case, you can choose any one you like cap. But if you use the gas system, the installation of the hood on the chimney pipe in this case is prohibited.

But this raises the legitimate question: how to deal with the destructive power of water, which eventually gets inside? For this case, there are special designs that can completely cover the brick base of the pipe.

Deflector to the chimney with his own hands: drawings and photos

Visor on the flue pipe with your hands - is not uncommon, and many are trying to make it. If there is a sheet of galvanized metal and tools at hand, you can save a lot of money on the purchase and installation of the deflector. To do this you need the following:

• drawing sets, long enough line and tape and a marker;
• Metal scissors, fasteners (screws sverlokonechnye 15 mm or pressshayboy Zaklepochnik);
• Drill with different drill bits;
• material cap (galvanized, aluminum or stainless steel) with a thickness of 0.3-0.5 mm;
• Additional pieces of metal for the manufacture of rigid mounts.

To make the smoke hole in the flue pipe with your hands, you must make the appropriate measurements, and then focusing on the drawing, you can start working.

Using tin snips can make smoke hole weathervane with their hands. To do this, cut the parts required size. Then the collapse of the diffuser body and to drill holes at the top and bottom to after riveting be fastened turned one-piece construction. Drawings cap on the chimney with his own hands to help reassemble correctly.

Thereafter possible to start manufacturing the upper cone. Attach the presser foot can be directly to him (usually need about 6 pieces).

Before flyugarki fully assembled onto the pipe with their hands, do not forget to lock the fastening, by means of which a diffuser is attached to the lower cone structure. As an attachment, you can use the same riveting. In order to carry out the installation of the cap on the pipe it is best to remove her top, to put a cap on pins or legs, and then set back the entire structure as a whole.

Useful advice! Do not neglect the quality of the installation of the deflector to the tube. Being under constant wind loads, mount substandard soon lose their characteristics and design disintegrate.

Of course no ornamental value, made by hand fungus on the flue pipe does not. Its construction primitive, but it is able to enhance traction on 20-25%, and also protect the roof from accidental spark. Using drawings, with their hands on the hood flue pipe can be done simply and at the same time spending a minimum of resources.

Dymnikov on brick chimneys and chimney caps on forged: features and prices

On the Internet you can find plenty of advice on how to make the visor on the chimney with his hands. However, not everyone wants to bother about it, and many prefer the opportunity to purchase a ready-made product.

Prices for chimney caps are the most diverse, and buy a smoke hole in the flue pipe can be from 700 rubles. At the same time easiest hood on the chimney pipe to buy will cost 300-400 rubles.

If you want to buy a deflector on the flue pipe, which really can become an ornament to the roof, you have to spend a lot of money. Forged Dymnikov cost from 7,000 rubles and above. Price Dymnikov on brick chimneys is largely dependent on the size, material of manufacture, as well as the complexity of the forged elements which are most diverse. Photos forged Dymnikov you can look at specialized sites.

Another quite expensive, but very nice option - smoke hole weathervane. It comes in a variety of shapes and sizes, and at the same time perfectly replaces the simple umbrella on the flue pipe. Many artisans feel that using drawings, vane on the chimney with his hands to do is possible. However, this requires considerable skill. The price of the option will cost from 5,000 rubles.

Depending on your preferences, you can buy ready-made canopy to the chimney pipe or enjoy self-made cap on the chimney. In any case, it is useful to look at a photo Dymnikov, which are represented in the sale, to get a general idea of ​​their diversity and the destination.