The size of the metal sheet for the roof. Dimensions of metal tiles, dimensions in width, length, height of sheets of material Standard dimensions of Monterrey metal tiles for roofing

Metal tiles are modern material suitable for roofing. These sheets of metal are prepared by a cold stamping process. As a basis, enterprises use galvanized steel or copper. The base is covered with polymers that protect the sheets from the harmful effects of precipitation.

Peculiarities

More and more users are interested in the qualities of tiles. Sheets of metal tiles are suitable for both private and individual construction. However, some people do not take this material into account due to the mass of differences between the same type of products. For example, apart from specifications, both the length and width of not only the sheets themselves, but also the waves, differ. Those who want to ennoble the coating are attracted by the durability of the material, its light weight, high strength. A structure with metal tiles becomes elegant and presentable.

It is necessary to consider the technical features of the material in more detail. If we take the initial stage of the development of the workpiece, then in production it is represented by a sheet of steel with a thickness of 0.4–0.5 mm. Several layers of sputtering are applied to the sheet on both sides of the product. The first layer is galvanized. The service life of the metal tile depends on the thickness of the zinc coating. The second layer is an anti-corrosion coating, including durable phosphates. The third layer is a primer, and then a top coat is applied. A sheet of metal takes on the appearance of a tile due to rolling under special machines.

Thanks to multi-stage processing, the coating acquires characteristics that are superior to other roofing materials. For example, the rigidity of metal tiles is higher than that of slate, and even ordinary tiles. This is achieved thanks to the existing stiffeners. Properly installed sheets are able to withstand a load of more than 200 kg / m². The thickness of high-quality canvases should not be less than 0.5 mm. The advantage of metal sheets of tiles is the possibility of laying the material yourself. In the absence of skills, you can inexpensively hire a special team. The material is durable and resistant to temperature extremes.

The material is relevant due to the following technological advantages:

• the service life of the product reaches fifty years;
• there is a possibility of application at temperature differences from -50 to +120 degrees;
• it is possible to use on all types of roofs;
• the light weight of the material is also an advantage;
• attractive appearance;
• richness of colors;
• price availability.

The last aspect is directly related to the coatings used in production. One of the features of the material is a wide range of prices for products. When choosing products, experts recommend not to save. A quality product will significantly increase the life of the roof. When buying cheap analogues, you should keep in mind that the service life of such products is usually less. Another disadvantage of inexpensive products is increased noise during mechanical stress on surfaces (for example, in a house you will hear raindrops falling on the roof). The problem is solved by installing an additional protective layer between the crate and the sheets. But this ultimately increases the cost of installation and materials.

Material types

Types of metal tiles can be divided according to the materials used in production.

Steel sheet most often serves as the basis for the finished product. The thickness of the sheets is from 0.45 to 0.55 mm. Zinc or Aluzinc can be applied over steel sheets. Zinc coating is good corrosion protection. Aluzinc is considered more durable, but the price of products is usually higher.

Aluminum sheets used in the production of metal tiles do not need protection against corrosion. An additional primer affects the strength, and hence the life of the products. One of the positive characteristics of products is lightness. However, aluminum tiles are characterized by a not very wide palette of shades.

Copper products are distinguished by a special nobility of appearance. Sheets of copper tiles look especially elegant with time, when a greenish patina appears on them. By the way, she is additional protection from bad weather. So, the copper metal tile is not covered with additional polymers. However, the extremely high price of copper products makes users look for other alternatives.

In addition to the material of manufacture, varieties of metal tiles can be divided according to the geometry and depth of the profile. For example, the so-called profile "Monterey" came from Finland and in appearance is very similar to the clay counterpart. Monterey shingles have the most fans, they are usually more expensive. The popularity of the material is associated with the ease of installation, excellent protection from natural disasters. In appearance, this metal tile is easily recognizable, despite the fact that products of different brands are similar.

Cascade profile reminiscent of external forms of chocolate bars. This tile is attractive due to the severity of rectangular outlines. Its merits were appreciated by the owners of houses with complex roofs. Roofing with "Cascade" tiles turns out neat and proportional. "Cascade" is suitable for buildings classical style which is always in fashion.

Profile "Joker"- this is the embodiment of the illusion of ceramic tiles. The sheets are characterized by a traditional rounded ridge part, as well as a flat sole part. Classic size sheets can be used on both complex and simple roofs.

Profile "Banga" is a new, modern, characterized by originality of forms. The structure of the profile is characterized by an increased height, which creates the illusion of a three-dimensional image. The small width of this type of metal tile only adds to the advantages. This option looks most effective on the roofs of tall buildings.

The entire species range of sheets is widely represented on Russian market. Popular Swedish tile Mera System. Modular positions provide ample opportunities for choice. There are also many products from other companies on the market.

Purpose

The metal tile, first of all, is a roofing material. It can be used for various climatic conditions. Manufacturers retain warranty obligations when using the material at temperatures from -50 to +50 degrees. At the same time, the conditions environment non-aggressive or slightly aggressive are desirable. Under other conditions, you can use the material, but treated with special coatings.

Manufacturers also recommend that you strictly follow the installation rules when covering the roof. For example, if the roof is hip, installation is recommended from the eaves. If the roof is gable, work should begin from the end. In this case, sheets can be stacked both from right to left and from left to right. Valleys, end and ridge strips are mounted last. It is recommended to protect the places of cuts and holes with additional staining. For laying metal tiles, it is important to use special tools.

According to the principle of installation, the material is divided into two types.

• Sheet. It is mounted in identical sheets, the length of which is usually equal to the length of the roof slope.
• Modular. Sheets are mounted in the same modules. The equal area of ​​such modules allows avoiding waste on roofs of complex configurations. The scope of this material is diverse: both private and industrial construction. The material is used for both public and residential buildings. It is versatile, as it can be used on the roofs of buildings with any number of storeys.

The only limitation in use is unwanted cutting of sheets. In this case, the integrity of the layers is violated. Corrosion is most often formed at the cut points. To avoid cutting, experts recommend combining different dimensions.

Standard sheet sizes

At the moment, a sufficient number of manufacturers of metal tiles are known. Companies large and small produce material with several distinct dimensional characteristics. Therefore the product different brands cannot be connected on the same roof. The accuracy of technical standards is ensured by industrial-scale production.

Small companies do not always offer material of the appropriate dimensions. This data is very important, since the useful and actual dimensions of the sheets differ. Typically, manufacturers offer to study the overall parameters in the form of a table, which includes the entire available range.

Despite the huge number of manufacturers, most of the metal tiles are made on similar equipment. For work, standard sheets with a width of 1115–1190 mm are used. Technological maximum width is 1180 mm. A particularly large variation in overall parameters is observed among foreign manufacturers. For example, the total length of sheets of material from the Swedish company Mera System is 3620 mm, the useful length is 3500 mm, the actual width is 1160 mm, and the useful one is 1080 mm. The metal tile of the Grand Line company has a total length of 3630 mm, and a useful one - 3500 mm, a total width of 1160 mm, and a useful one - 1110 mm.

The calculation of material consumption is based on the working dimensions, since the installation is overlapped. One piece overlaps slightly with the other. This installation allows you to achieve greater tightness. Improves the resistance of the material to snow and wind loads. The amount of overlap is often associated with the slope of the roof. Usually it is about 60–80 mm. With a slope of more than 15%, the overlap is 100–120 mm.

Significantly reduces the amount of waste when laying the choice of sheets of different sizes, but of the same type.

If we consider the Monterey sheets, then on sale you can find options with the following values:

• length - from 0.5 to 9 m;
• width - overall parameter - 1.18 m, useful - 1.1 m;
• wave pitch - 35 cm.

The length of the metal tile varies considerably, as manufacturing companies often offer products to order. Long sheets make assembly very easy. Some difficulties may arise during transportation and when lifting material to a height.

Too long sheets are often deformed during installation. Experts do not recommend ordering sheets more than eight meters. For the wind bar, it is better to make separate parts.

Parameters of additional elements

The presence of high-quality roofing material purchased in sufficient quantities is not enough to create a reliable roof covering. Important details such as additional parts. They also need to be able to select and mount. Parts are usually selected in the same tone along with the main material. The functions of additional elements are protective or decorative.

All junctions are formed with protective components, seams and joints are reinforced. Protective elements do not allow water and debris to penetrate under the roof. Decorative components give originality. Thanks to them, the roof becomes more attractive.

The set of parts differs depending on the coating used.

Together with a metal tile, the following parts are usually bought:

• frontal strips are part of the protection of the end of the roof;
• the adjoining bar is also an element of protection for parts adjacent to chimneys and parapets;
• the ridge of the roof is an element of protection for joints and slopes;

• valleys are a protection element that redirects rainwater flows;
• adapters - needed on non-standard roofs;
• drains are an element of protection;
• snow retainers are also an element of protection.

The production of additional elements is usually individual. These often include spiers, weathercocks, and other decorations. They do not carry functionality, they are decorative elements. Before purchasing certain items, it is important to make calculations. For example, not all roofs can be equipped with a weather vane, since the location of the element must be taken into account.

To avoid unnecessary expenses, it is recommended to buy protective components from the same company from which the roofing material was purchased. A one-time purchase of all components will save on the services of transport companies. Experts do not recommend saving on the quality of additional elements. In addition, it is important quality installation these products. Therefore, do not forget about the purchase of mounts. Modern fasteners for additional elements are bolts, self-tapping screws or screws with gaskets, but by no means nails. The last option of fastenings will spoil any, even the highest quality roofing.

The parameters of the additional elements are always interconnected with the specific configuration of the roof. In most cases, installation requires a special project. It will allow you to optimize costs and select the exact number of components for a specific roof.

The total number of additional elements is calculated from the total length, for example, skates. All lengths where they need to be fixed are added, overlaps still need to be taken into account. Items such as snow retainers and others are purchased according to the required quantity. The right amount is related to the configuration of the roof. Fasteners are purchased at the rate of about 8 pieces per m². For additional elements, the standard fastening step is taken into account - 12–15 cm per self-tapping screw.

Since metal tiles cannot be cut, you should take into account the useful recommendations of professionals. They will help optimize costs when purchasing material. Roofing is an expensive service, but you can save on it by making independent calculations.

First you need to determine the area of ​​\u200b\u200bthe slopes. Measurements must be made according to the finished truss system. When using design figures, deviations of indicators are possible. The roofs of the houses are different: single-slope, gable, three-slope, hip. In order for the sheets to be enough, but not too many, it will be necessary to measure all the slopes. An assistant is required to take measurements.

The most economical and practical option for arranging a roof is a shed. It is often used over garages, porches and other outbuildings. The calculation for one slope is the optimal placement of sheets for all design parameters. Sheets from 0.5 m to 3.65 m long are suitable for such a roof. Installation of long sheets for such roofs is unprofitable, and very laborious.

If a shed roof has the following dimensions:

• length - 10 m;
• width - 9 m.

9x10 \u003d 90 m², 9: 1.1 (useful sheet width) \u003d 8 rows, 10 + 0.3 (2 overlaps of 0.15 each) + 0.1 (taking into account the height of the rafters) \u003d 10.4 m (full length of the slope ); 10.4: 3.5 = 3 sheets long; 3x8 \u003d 24 sheets for 1 one slope. If it is impossible to pick up the sheets perfectly, the cut ones are hidden with an overlap and closed whole.

If the roof is gable, but with an approximate area of ​​\u200b\u200bone slope of 90 m², the results obtained above can simply be multiplied by two. Total comes out 48 sheets on both slopes. If the number of roof slopes is greater and they are different in size, then the calculations are made taking into account the area of ​​\u200b\u200beach slope. Then the data of each individual part of the roof are summarized.

To calculate the total number of sheets, do not subtract the area of ​​attic frames, pipes, ventilation. This additional reserve in case of unforeseen circumstances will eliminate unnecessary expenses. When laying metal tiles, professionals do not recommend using trim. This will reduce the quality of the coating, which means it will reduce the operating time.

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The metal tile won the undisputed leadership among all types of roofing 15-20 years ago and has been holding its position since that time. Like any material, metal tile has both strengths and weak sides. But in the complex performance characteristics fully satisfy the majority of users. When choosing a particular type of roof, several factors must be taken into account. Some have an impact on the technology of work, the second on the duration of operation, and still others on the creation of various architectural projects.

Professional builders understand the dimensions of roofing metal tiles not only as length and width, but also as a fairly large list of other sizes. General international standard for metal tiles does not exist, only the technical characteristics of sheet metal are controlled. All other dimensions are set by the manufacturers themselves and then used to draw up specifications.

The length of the metal tile ranges from 40 cm to 8 m.Short is called piece and is produced in the form of narrow strips with a standard sheet width.

The width of the metal tile is 1.12–1.20 m. At the same time, the material has two widths and lengths: technical and assembly.

Technical indicate maximum dimensions along the perimeter of the sheet, the mounting ones characterize only the usable area of ​​the material minus the longitudinal overlaps and side overlaps. These values ​​are different for each manufacturer, discrepancies range from a few millimeters to several centimeters.

How do the dimensions of the profiled sheet affect its characteristics

The influence of sheet dimensions on design and operational properties shingles are much more complicated than it might seem to inexperienced consumers. The reason is that the roofing material is made from rolled flat galvanized painted metal. Numerous end manufacturers have only a primitive bending line with a set of rollers to give a profile, rolled metal is purchased from them. Profiles are obtained by drawing metal and, accordingly, drawing all its protective and decorative coatings (zinc, primers, polymer paints, top coats of the front surface).

Video - Production of metal tiles

The greater the height of the profiles, the higher the bending resistance of the tiles. This simple physical dependence is welcomed by all developers.

In addition, the roof with a high profile looks more embossed, which gives it a special prestige. But few consumers think that an increase in the stability of the coating due to the height of the profile has one very unpleasant consequence - a decrease in the service life.

Why? Everything is very simple. The thickness of zinc and polymer paint is controlled on a flat metal sheet, during its deformation the surface area of ​​the metal increases and the thickness of all coatings decreases proportionally in these places. If we add to this phenomenon the influence of the quality of the materials used on the deformation (some of them form microcracks with significant stretching), then the negative consequences become even more significant.

The size of a sheet of metal tiles of some companies

The variation in dimensions is caused by differences in the side locks and does not have any effect on performance. A few millimeters do not save material, especially since there are always unproductive wastes of several square meters.

Sheet profile dimensions

The height of the wave is regulated by manufacturers, they produce several types of products that differ in the type and parameters of the sheet geometry. Conventionally, on this basis, three classes are distinguished.

1. Economy The wave height is within 12–30 mm. This coating is used on government, commercial and industrial buildings.
2. Average. The most common, used on most roofs of buildings. Looks great on private homes.
3. Elite. Such a metal tile covers the roof of prestigious buildings; in terms of cost, the material is not much different from some types of piece tiles.

As for the service life, they depend not only on the dimensions of the profile, but also on the technical parameters of the sheet. This is a rather complex relationship, which we will discuss below.

Wave pitch 180-185 mm, the more waves, the higher the resistance of the roof to bending loads. But there are limitations - the metal tile in appearance should resemble natural ceramic tiles as much as possible, and it has a standard width.

Practical advice. Before buying a roof, carefully inspect the surface of the sheet for the symmetry of the profile. The waves must be even, without scratches and damage to the outer surfaces. If additional lines are visible on the bends, this indicates that the production equipment is worn out. It is not worth buying such a metal tile, the sheets will not fit snugly, there will be problems with locks, etc.

Why is it important to choose the right length of sheets

Prices for metal tiles

metal tile

Most customers are sure that when placing an order for the purchase of metal tiles, the length of the sheet affects its cost and they buy standard sizes. Manufacturers are interested in increasing the number of sales and are trying to possible ways attract new consumers. To do this, they empower the client and give them the right to choose the optimal size of coverage. This approach is beneficial to both parties. The manufacturer does not lose anything, the cost of production does not increase, it takes several minutes to readjust the line according to the cutting length of the sheets. And the buyer has the opportunity to improve the appearance of the house, facilitate the installation process and reduce waste.

Of course, company representatives give professional advice by measuring the length of the sheets. It must be a multiple of the size of the waves - this profile element cannot be cut, it must only be whole.

How to deal with the length in each individual case?

You should not order long sheets for four-pitched and complex hip structures of the truss system. The fact is that such roofs require frequent cutting of sheets at the junctions of the slopes at the junction, cutting is done at an angle. The width of the sheets is standard, which means that the longer they are, the greater the amount of waste. The optimal length should take into account the width of the slope; such a layout of rectangular sheets is chosen so that the area of ​​\u200b\u200bthe cut triangle is minimal.

It is not recommended to buy sheets longer than four meters. There are roofs with simple gable structures, their length can reach six or more meters. There are those who want to order metal tiles of the same length, but roofers do not advise buying such large sheets for several reasons.

Common misconceptions when choosing sheet sizes

Unfortunately, not only inexperienced consumers, but also some roofers cannot accept right decision when choosing the size of the metal tile. This happens due to several misconceptions.

1. The more joints, the greater the total area of ​​​​materials and, accordingly, the roof is more expensive. Theoretically, this is so, the client pays the cost of the total, and not the useful, area of ​​\u200b\u200bthe metal tile. But in practice, the optimal length allows you to save on delivery, transportation and warehousing. In addition, the risks of sheet damage due to kinks during installation are minimized. As a result, the optimal length is always economically justified, long sheets are more expensive.

   

2. Each horizontal overlap of the metal tile provides Negative influence on the tightness of the coating, hence the desire to order sheets as long as possible. This is not true. Sheet extension is carried out along the line lock connection, and its design, even theoretically, does not allow the appearance of leaks or other deviations in tightness.

   

3. All horizontal overlaps are visible on the finished roof, which significantly worsens the appearance of the building. This fallacy is easy to refute, worth looking at already finished roofs. Where used quality material, experienced roofers worked and the recommended technology was not violated, no joints and overlaps are visible. The roof is flat and without longitudinal lines, the appearance resembles natural tiles as much as possible.

   

Practical advice. The longer the sheets, the more experienced roofers are needed. They must be able to solve all the problems that arise during the production of work and prevent damage to the roofing material.

The simplicity of the technology for the production of metal tiles has become the reason that in each region of our country there are dozens of companies involved in this business. The differences between them are small, the production equipment belongs to the simplest class, several workers and small production facilities are required for maintenance.

The main influence on the quality of the roof is the metal sheet, and all companies buy it from third-party suppliers. Sheet production requires not only the most modern expensive and very technologically sophisticated equipment, but also highly qualified personnel.

Unfortunately, many domestic mills cannot produce rolled steel of modern European quality, most of the raw materials have to be bought abroad. As always, there are two markets: Asian and European. European always with high quality, the Asian should be approached very carefully.

Most metal tile companies have no desire to show their customers a quality certificate for raw materials, they only advertise the general technical parameters of the products.

What sizes of metal tiles should experienced consumers pay attention to?

metal thickness

This size has a universal influence, several parameters depend on it:

• resistance of the roof to mechanical stress;
• weight of the roof covering;
• duration of operation;
• price.

But on all the listed performance characteristics, the effect of thickness sheet metal secondary. The processes of iron oxidation occur quite quickly, there is almost no time difference for sheets with a thickness of 0.45 mm and 0.5 mm. Durability depends on the characteristics of the zinc coating and polymer paint. The bending strength of flat sheets with a difference in thickness of a few hundredths of a millimeter also varies slightly, stability is achieved due to the features of the profile contours, their number, location and geometry.

In most cases, during the calculations of foundations and truss systems the mass of sheet steel roofing is not taken into account. Loads are compensated by using a safety factor for all loaded architectural elements and components of the house.

Choice suitable material for future roofing necessarily precedes scrutiny and matching positive qualities, shortcomings, characteristic properties all competing products in this segment. If you are interested in the proposed topic, then the number of "for" in favor of the metal tile outweighed. Now you need to move to the next level - knowing the dimensions of the sheet of metal for the roof, you need to correctly determine the volume of purchased material and the footage of the accompanying additional elements.

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Classmates

What sizes are calculated?

Imitating the texture of lined ceramic tiles, galvanized steel sheet material is obtained by cold stamping, followed by the application of protection from polymeric materials. On manufactured products, the manufacturer indicates the main linear indicators - length, width - which determine their area. These parameters are obtained by measuring the distance between the edges of the sheet. Each such size of a metal tile is called "full".

However, overall dimensions are not essential in determining the required amount of sheet material. Experienced builders and roofing specialists are repelled in calculations from the “useful” sheet sizes. To obtain an airtight flooring of increased strength with excellent resistance to wind loads and snow pressure, the metal tile is mounted with partial overlap (overlap) of adjacent sheets along the length and width. Difference overall size and the magnitude of the corresponding overlap is a useful dimension. These dimensions determine the area that the purchased sheets can cover.

Roof sheet width

This value is determined by the width of the raw material - rolled steel. The requirements of the ISO standard are the main ones for European manufacturers of metal tiles. Domestic GOST imposes its own specific requirements on products. Therefore, the width of the sheets can vary within a small range. At the same time, the useful width of almost all brands is 1100 mm.

Length of manufactured products

The range of each manufacturer assumes the presence of sheets of various lengths. Knowing the size of the slopes, sheets of the required length are selected to reduce the number of transverse overlaps during their installation. The most common products are from 480 to 3650 mm with an overlap of 120-150 mm. The need to use longer sheets (up to 8 m) is solved when ordering material from a local manufacturer, who will immediately cut them to the desired size.

Sheets of maximum length create certain difficulties:

• Transportation of material to the end user becomes more complicated.
• Lifting to a height is carried out using fixtures and guides. This increases the risk of damage to the wall finish.
• In windy weather, work becomes impossible due to the large "sail" of the material.
• Slight deviations from the geometry over a long length are the cause of mounting gaps that open access to moisture to the insulating "pie" of the roof. Geometric error occurs during production. Deformations - during transportation, improper storage, lifting to a height.
• For work, you need to attract additional assistants.

It is most comfortable to work with sheets up to 4 m. If the length of the roof slope does not exceed this value, installation is carried out without transverse overlap. The resulting benefits are economical, faster, the roof structure is more rigid and durable.

Useful information! A metal tile with a large sheet size is unprofitable for installation on non-rectangular slopes. There is a need manual cutting profile, the amount of material waste increases. When calculating, it should be taken into account that the manufacturer has sheets of different areas with the same profile.

The following table with data useful and full sizes, transverse and longitudinal overlaps of metal tiles of well-known brands will help in carrying out the necessary calculations.

Tabular data indicate a certain variation in the main linear dimensions - length and width. There are also differences in other parameters, even in the presented line of one manufacturer. Therefore, it is very important to fulfill the planned roofing the entire building with the material of one company, one profile.

Other Important Shingles Options

1. The thickness of the tiles, taking into account the required layers protective coating fluctuates within 0.35-0.8 mm; the optimal dimensions are 0.4-0.6 mm. The values ​​of this parameter determine the service life, cost, load capacity and unit weight of the product.
2. The height of the profile - the size between the upper and lower points of the conditional longitudinal cell of the sheet - is different for each manufacturer and the presented model. Conventionally, it can be divided into classes: economy, medium, elite with the corresponding profile height - 12-28 mm, 30-50 mm, 50-80 mm.
3. Wave pitch - the distance on a conditional cross section between adjacent peaks or troughs of a profiled sheet. 183-185 mm - the optimal wave pitch of the metal tile. Larger values ​​are also possible, but the rigidity of the sheet decreases with such a pitch.

An example of the standard size of a metal tile sheet.

Important! For roofs with large slopes, the use of sheets with a high wave is recommended. They are more durable, withstand and divert storm water flows even with hurricane winds. Most convenient for styling robust design, and therefore the most common, is the asymmetric profile of the metal tiles used.

Additional elements

These details are not roofing material, but without them it is difficult to perform the joint and turn of the laid metal tile, securely fix it, ensure tightness, and remove atmospheric precipitation. The purpose of the main additional elements is as follows:

1. The ridge for a metal tile serves as protection for the upper butt ridge of converging sheets.
2. Ebb drains water along the slope of the roof.
3. The valley plank is needed to ensure a high-quality joint of the roof wings and removal of precipitation from its zone.
4. The end plate protects the roof ribs (rear and pediment).

These items are standard sizes. To determine the working length of the element, you need to subtract the amount of the provided mounting overlap.

Given the understanding that the standard linear dimensions of the produced metal tiles are not the main ones in the calculation of the roof, the possibility of errors and inaccuracies is reduced. By determining the useful sheet size and taking into account other important parameters of the purchased product, you can correctly calculate the amount of roofing material needed.

Many manufacturers and their regional offices have a free service for drawing up an optimal scheme for laying metal tiles on a specific roof slope (its exact dimensions are provided by the customer). Received exact dimensions roofing metal tiles are provided by further cutting of the material in production conditions. You should not neglect this service, at least in order to check your calculations.

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When choosing building material the buyer pays attention to many parameters and one of the most important is the size. The dimensions of a metal tile sheet are not only length and width. There are a number of other values ​​that you need to pay attention to. These parameters largely determine the characteristics of the product.

AT last years metal tile has firmly entered the category of demanded materials for roofing buildings for various purposes. When choosing a similar material, builders and owners first of all pay attention to the size of the metal tile. The main values ​​of this indicator are written on the product being sold. There are indicated - the width, length and thickness of the sheet. But, besides this, it is important to know such size parameters as useful width, useful length, wave or profile height and step between waves.

Width

Length

• The material costs of covering the roof with such sheets are lower. This is due to the fact that there will be less overlap and as a result there will be more usable metal tile area per roof area.
• Reduced costs Supplies necessary for fastening, such as self-tapping screws.
• Workers expend less effort lifting sheets for roof installation because there are fewer sheets. Work is carried out in less time and as a result, the cost of work is reduced.
• This size in length is optimal for loading operations, as well as for ensuring the storage conditions of these products.

When choosing products, one should not forget that the length of a metal tile, as well as the width, has two sizes - the actual one, from edge to edge, and useful (or working). Usable length is defined as the difference between the actual size of the sheet and the overlap on both sides along the length.

Thickness

1. The final thickness of the sheet depends, among other things, on the number of layers of protective and paint coatings that are applied to the original steel sheet.

1. The optimal thickness of the product is 0.45–0.5 mm. This is explained by guarantee period the service life of a product made of such steel is 13–15 years.
2. The smaller the thickness of the rolled product, the shorter the service life, and for metal tiles with a thickness of 0.35 mm there is a risk of damage to the sheets during transportation and installation of the roof.
3. A thicker metal tile, in which the sheet thickness is 0.8 mm, will be more durable. However, such sheets will be twice as heavy as standard counterparts. In addition, this will also affect the final cost of products, due to the higher cost.

wave or profile

Size and weight

Size and construction economics

• This is done based on the characteristics of the roof slopes and its configuration.
• Strength is analyzed bearing walls and foundation.
• From the proposed range of materials for roofing installation, the optimal brand of metal tiles is selected.