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Cap on the chimney pipe: price and photo. How to make a hood on the chimney by yourself?

The hood on the chimney pipe is simply necessary. This element acts as one of the most important components of the furnace or fireplace. It is thanks to the hood provides unhindered and constant removal of combustion products.

These components of the chimney are also used to strengthen the traction. If the deflector is of the correct design, it will not allow atmospheric precipitation in the form of rain and snow to enter the interior of the chimney.

In addition, the hood prevents the ingress of debris and birds. To do this, you need to mount a grid that will not delay the smoke at the output.

Components of the hood for the chimney

In order to independently make a hood on the chimney, it is necessary to know what basic parts this element consists of. Thus, its composition has a lid, as well as a drip for water.

Preparation before making a hood for the chimney

Before starting work, it is necessary to draw a diagram on paper. The preferred form of construction is in the form of a skirt, this will prevent the precipitation from getting on the externally the base of the chimney masonry. In addition, it is necessary to initially correctly determine the parameters of the hood, for this it is necessary to take into account the internal diameter of the chimney, which will affect the height of the deflector and the width of the diffuser. Thus, with an internal pipe diameter of 120 mm, the height of the deflector should be 144 mm, while the width of the diffuser should be limited to 240 mm. If the first indicator is increased to 140 mm, then the second parameter should have a size equal to 168 mm, but the third mentioned dimension should equal 280 mm. With an internal diameter of 400 or 500 mm, the second index should be equivalent to 480 and 600 mm, respectively. Whereas the width of the diffuser should be made equal to 800 and 1000 mm, respectively.

Choice of hood design

The hood on the chimney pipe can have completely different design features. So, in the basis there can be something like a house. This construction should have a four-pitched roof. Such a house can have a gable roof, which has four slopes. In addition, the pommel may be semicircular or have a weather vane. Another type of hood is one that has an opening lid.

Preparation of the basic set of tools and materials for the work

In order to make a hood on the chimney by yourself, it is necessary to prepare some materials and tools, among them it is necessary to distinguish the following:

  • Kiyanku, as a material for which can come out rubber or wood;
  • Scissors designed to work on metal;
  • Bends;
  • A small hammer;
  • Steel bar;
  • marker;
  • Clamps;
  • Roulette;
  • Gloves;
  • Corner made of steel.

In order to make the manufacture more simple, it is necessary to cut off the corners on all the workpieces on both sides.

The process of making a hood for a chimney

The hood on the chimney must be started from the reinforcement by screwing the steel corner on the edge of the table . Use with self-tapping screws. For this purpose, holes must be made in the working surface. A driftwood, which acts as an edge and has a width equal to one centimeter or more, must be bent. Initially, it is recommended to bend the edges, and then do the same with the center piece. This will eliminate the possibility of slippage of the workpiece from the corner. The workpiece must be bent at an angle of 45 degrees.

In order to carry out this work, it is necessary to connect the edge of the corner with the bending line on the workpiece. This will allow you to obtain a workpiece that has the desired shape.

For which it is preferable to apply kiyanku. The workpiece in its central part should be bent in the same direction. Folds on the workpieces should be bent with the use of bends.

In addition, on all sides of 15 centimeters should be bent caps for the hood. You must bend in this case at a right angle. The lid should be fixed on the hood and note the hole in its central part. This hole must be made in such a way that its diameter is equal to this parameter characteristic of the chimney.

Making the hood on the chimney, at the final stage it is necessary to cut the petals that are necessary to protect the chimney from getting rain. Only then you can start fixing the hood on the pipe.

Alternative version of the hood

A chimney can be made with your own hands using another technology, the principle of which will be described below. In the example, an asbestos-cement chimney with a cross section of 120 mm will be considered. Initially, it is worth installing the rack on the lower cylinder. For what it is customary to use bolts and nuts M6. Further, it is necessary to strengthen the upper cylinder, which is fixed to the lower collar. The upper cylinder must have an extension extending downwards. After that, you can start assembling the cone on the rebate. By means of rivets it will be possible to mount a tapered cap. The manufacture of hoods and upper cylinder can be done on their own, but for this it will be necessary to prepare the rivet and use it in the process of welding with welding.

Cost of chimney hoods

If there is no desire to make a hood on the chimney with their own hands, then it can be purchased. Such designs serve much longer than self-made ones, but are not very expensive. So, if you prefer a classic vane that can have a double lid designed for hot air, its cost can be equal to 2100 rubles. But the two-story hood will have a more impressive cost, which is equal to 4100 rubles. You can prefer the hood to the pipe, which is supplemented by radius edges, its cost will increase to 5100 rubles. The design may have an additional lid and will cost 4,200 rubles. If you do not like the independent manufacture of hoods on chimneys, then you can prefer the option that involves the order of the design that there is a desire to see on the roof. Experts will produce a product from metal and calculate the price that will have to be paid at the time of purchase.

Choice of material for the hood on the pipe

If you decide to make hoods yourself on the chimney pipe, the photos of which are presented in the article, you should initially choose the material. If we talk about copper, it acts as the most common material for canopies. But it is chemically active, which indicates the possibility of its destruction with time, which in particular refers to the case of contact with other elements. In order to pour the life of the element, the fastening must be done by means of copper or copper-clad fasteners.

Steel products are inferior to copper in the period of operation. You can use them for a period, the duration of which is limited to 28 years. Before you make a hood on the chimney, you can consider the use of zinc-titanium, which has a half-century life.

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