In recent years, ventilated facade technology has been increasingly used in the decoration of external walls. This technique, together with insulation, provides ventilation. Such designs transform the appearance of any building. Facing solves a whole range of problems that such structures face. The system provides protection from precipitation and adverse factors, insulates and vapor barriers, and also protects against noise. As a facing material for such systems, facade metal cassettes are used, which can have different designs and sizes.
Description and dimensions of metal cassettes
The above facing material is metal sheets with curved edges. They are coated with polymeric colored paints that protect products from corrosion processes. The material for production is:
- galvanized steel;
- brass;
- copper;
- aluminum.
Anodized aluminum is used most often in its natural state,therefore, in products it is recognizable by its shiny light gray silvery surface. However, such products are also covered with polymer paints. Metal cassettes are made by stamping sheet metal, which has a thickness ranging from 0.7 to 1.2 mm. The sheets are painted using powder spraying technology, which ensures a uniform layer thickness. The service life of such panels is increased many times due to such a coating.
Together with metal cassettes, elements of the lathing are used for mounting on the facade and fasteners. Facade metal cassettes can have a height ranging from 280 to 1040 mm, while their length is equal to 200 to 2500 mm. For U-shaped and corner products, the minimum length is 200 mm, and the sum of the lengths of the sides does not exceed 2500 mm.
Installation technology
Installation of metal cassettes is carried out in several stages, the first of which involves preparation. To do this, the remains of the old coating are removed from the walls. It is important to remove all structures from the surface, namely door frames and window frames. If you find serious defects, then you need to get rid of them. The wall must then be checked for strength. After all, the weight of the frame system will be impressive. To do this, a fragment of the frame must be fixed with two dowels, after which a load is applied to it. You can hang a massive element on this fragment. If the load is sufficient, then you can continue to work.
Hollow brick or foam concrete will not be able to providereliability of fastening of a similar design, therefore metal cassettes are not used for their finishing. Facade metal cassettes can be installed on the wall, the density of which is not less than 0.6 t/m2. At the second stage, marking is carried out, then the brackets are fixed and a heater is installed. The master will have to build a guide frame, only after that you can start installing the finishing material.
Markup recommendations
The surface of each wall must be marked using a laser level. This device will provide the required accuracy. The marking should start from the bottom of the building and correspond to the dimensions of the metal cassettes. The guides must be fixed at such a distance from each other that the products enter between them firmly and are fixed securely.
The absolute evenness of the outer surface will be ensured by the fixation of the metal frame. If even the slightest deviation occurs, it will jeopardize the possibility of building a facade or create a distortion that will be conspicuous and spoil the whole view.
Installation of brackets and insulation
Before the facade metal cassettes are installed, it is necessary to fix the brackets, which are fasteners mounted on the dowel. They should not fall into the seams between panels or bricks, because this will reduce the reliability of the frame system and can provoke the destruction of the masonry. Under the brackets it is necessary to lay gaskets fromparonite, which will guarantee protection against freezing of certain sections of the walls. This reduces the susceptibility to deformation of the carcass.
Facade metal cassettes, the dimensions of which will allow you to calculate the required amount of material, necessarily provide for the presence of insulation in the system. After installing the brackets, a layer of waterproofing is stretched onto the wall, which is overlapped and fixed with brackets. Next comes a layer of insulation, which can be mineral wool or expanded polystyrene. The seams between the sheets of insulation are filled with mounting foam. You can fix the thermal insulation to the wall with dowels with wide caps, but sometimes glue is also used. At the final stage, a windproof film is spread over the insulation.
Creation of the guide frame and installation of metal cassettes
Facade metal cassettes, which you can install yourself, are installed only after the guide frame is ready. The crate starts from the bottom. For the corner parts of the house, special metal cassettes should be used, the use of which eliminates the need to install corners. It is important to consider that this decorative material can have a closed or open type of fastening. The method of installation to the crate is somewhat different in these two cases.
Features of open-type mounting are expressed in the fact that each next product is superimposed on the previous one with a bent edge and fixed with rivets or self-tapping screws. If you decide to useclosed type of attachment, then the next cassette should be joined to the underlying one, decorating the attachment point. It should be fixed with screws in the upper part. Installation in this case will be somewhat more difficult, but the design will be more durable and reliable.
Specialist recommendations
Facade metal cassettes, photos of which are presented in the article, as mentioned above, can be installed using one of the existing methods. If you decide to use invisible fasteners, then you have to prepare a hat metal profile, as well as self-tapping screws, which will allow you to form a ventilated facade quickly and efficiently.
Curved surfaces, which have holes for fasteners, allow for repairs in a short time and without the use of special tools and expensive equipment. If we are talking about hidden fasteners, then the products will be fixed to each other according to the principle of the Lego constructor using edges, which will allow for reliable installation.
Manufacturers and cost
Facade metal cassettes, the production of which is well established in Russia, can have different prices. For example, the manufacturer "Stalfasad" offers products whose price is 1150 rubles. The size of the products in this case will be equal to 1160 x 720 mm. Another manufacturer - "Metstal" - offers its products at a price of 890 rubles. per square meter. In this case, we are talking about metal cassettes, the thickness of which is 0.7 mm. If the thickness increases to 1.2 mm, then the price for 1m2 will be 1060 rubles.
Conclusion
Front metal cassettes of open type, the dimensions, the calculation of which will allow you to determine how many products you need to purchase, can be made of different materials. However, to determine the number of sheets, it is necessary to first calculate the area of the surface being trimmed, as well as the area of \u200b\u200bone product for finishing. After that, the first value is divided by the second, which allows you to understand how many items to be purchased.
