The metal tile as a roofing is used in modern construction not so long ago. But, nevertheless, this material has established itself as a practical and functional roofing. The main advantage of such a roof is its low cost, low weight and ease of installation. Almost every person in the process of selecting a roofing considers many types of metal tiles, and then draws conclusions for himself. This article will allow you to get acquainted with the types of roofing in more detail.
Basics of metal tiles
Over the past few years, metal tiles have become the most popular roofing material in the construction of residential and industrial buildings - the types differ depending on:
- basics;
- coatings;
- profile height and shape.
The basis of this material can be aluminum or steel. Almost all manufacturers of metal roof coverings a steel sheet is used, the thickness of which has a standard value of 0.5 mm.
But there are also coatings with a base thickness of 0.6 mm. The steel base in this case has a coating of zinc or aluzinc and a protective shell of basalt chips. An example of such a coating is the Gerard metal tile.
Material with an aluminum base is more expensive, but light and durable. So, like steel, and aluminum base has a protective shell. An example of such a roof is the Plannja tile (made in Sweden).
Attention. In the construction market, you can find a coating based on a copper sheet. An example of this is the Belgian stamped tile Metrotile.
Metal roofing
An equally important point is the types of metal tile coatings. The main types include the following coatings:
- matte or glossy polyester;
- pural;
- PVF2;
- plastisol;
- Terra Plegel.
More common roofing metal material with plastisol or polyester coating. Much less often you can find a pural coating and matte polyester.
Metal tiles coated with PVF2 and Terra Plegel are practically devoid of distribution. The reason for the spread rate lies in the advantages and disadvantages of each coverage for roofs made of metal, as well as in the high cost of the material and the methods of its acquisition.
Here are some properties of each coverage:
- Polyester is the cheapest coating of all types. It is sprayed onto the front surface of the metal tile. There are two subspecies of polyester - matte and glossy. The thickness of the glossy coating is 25 microns. Polyester is sensitive to mechanical damage and loses color during operation. But on the other hand, this coating can be repainted, which other types of metal tile coatings do not allow. The thickness of matte polyester is 35 microns. It is more resistant to mechanical stress;
- Plastisol is also not a very expensive coating, formed by rolling a plastic film onto a steel surface. A metal tile with such a coating is more suitable for use in regions with a humid climate, due to instability to sudden changes in temperature. Nevertheless, this coating is successfully used by our consumer;
- Pural coating has a polyurethane base, glossy surface and corrosion resistance. The thickness of 50 microns allows the coating to withstand mechanical damage, ultraviolet radiation and the influence of an aggressive environment. In terms of price, pural does not differ significantly from plastisol. Despite its recent appearance, this coating has received positive reviews. . The only drawback is the narrow color gamut;
- Coating PVF2 (polyvinyl fluoride) has elasticity (does not exfoliate), withstands high temperatures, does not lose color. In addition, it is this coating that has the richest color gamut. The purchase of metal tiles with such a coating will cost more, by about 5%, and is carried out only by order;
- Almost unknown on our market, the Terra Plegel coating of the Swedish manufacturer gives the metal tile the appearance of a natural, clay roofing. This protective layer is made by spraying quartz sand onto molten plastisol and applying a subsequent paint layer.
Attention. The average load of a metal tile is 5 kg per square meter, while a roof with Terra Plegel coating weighs 8 kg.
Profile shape and height
The shape of the profile, if we consider the types in roofing materials - the metal tile has:
- symmetrical wave;
- asymmetrical wave.
The characteristic waviness allows you to determine the type of roofing from afar.
A metal tile with a wave-shaped profile visually hides the places of transverse joints.
There is a coating that mimics:
- chocolate bar (cloudy);
- grooved tiles (gerard).
Some types of materials are in the form of a panel or sheet. In the manufacture of each manufacturer uses a different stamp, the depth of which determines the height of the profile of the roofing material.
Metal tiles can be produced with a profile depth of 28, 45, 52 mm. For example, a metal tile with a profile height of 28 mm is called a flat tile. It is most often used in repair work on do-it-yourself metal tile roof.
Attention. The stronger and more regular is the relief on the coating. The greater rigidity it provides.
Storage conditions
Many consumers, choosing a roofing with a protective film, are interested in how to store metal tiles.
The storage conditions for tiles are as follows:
- if a protective film was applied to the metal tile, its shelf life is 1 month;
- the surface of the coating should be protected from exposure to sunlight, otherwise the film will be very difficult to remove;
- the removal of the protective film is carried out at an average temperature. Working at low or high temperatures, you can leave fragments of the film and adhesive on the surface.
General rules for storing metal tiles:
- It is recommended to store in a dry, enclosed area;
- Avoid contact with water, sunlight, chemicals and earth;
- When purchasing a metal tile in its original packaging, storage is carried out on a flat surface with laying on a bar 200 mm thick and 50 cm apart;
- If it is supposed to store the material for more than 30 days, then the sheets are shifted with wooden dry slats. The height of the stacking stem can be 70 cm.
Fulfillment of storage conditions leads to the preservation of the properties of the metal tile. And this, in turn, makes it possible to use it for the installation of civil and industrial type roofs with preliminary arrangement of the structure of the truss system.
Advice. In addition to what the coating and base material has, you can pay attention to the geometric dimensions of the sheet. The metal tile, which has a large area of usable width, makes the coating more economical, reduces the amount of waste during installation work.
A description of the types of tiles will help you choose the roofing that fully meets your requirements.
The next task is to properly transport, store the material and, of course, professionally perform its installation. We hope that this information will be of benefit to both developers and simple builders who equip the house on their own.
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