The thickness of the metal for the roof, the device metal

Those who want to replace the roof covering of their house using modern materials will have to take care of a lot. We will have to choose which thickness of the metal tile is needed for the roof, which brand is the best and which company to contact - these questions worry everyone who decided to make such repairs. The article will help to understand all the intricacies of the choice of material and provide the information necessary for successful repair.

Requirements for metal tile

The choice of metal tile for a roof is determined by many factors. A good metal tile should last the entire term specified in the warranty, and moreover. This is only possible with excellent product quality. And this is achieved by fulfilling certain requirements:

• Possessing good anti-corrosion properties of the material.

• Resistance to wind load.

• Lack of deflection under the weight of snow.

• Good resistance to shock impact .

• Easy to install.

There are also aesthetic requirements. Beautiful appearance largely depends not only on the design, but also on the quality of the color coating. This parameter will determine how long the roof will not lose its appeal.

As for the color range and shape of the profile, today's market can please even the most capricious consumer.

How the metal tile

is arranged The most common production comes from steel sheet, made in cold-rolled way. The demanded standard of thickness for many regions ranges from 0.45 to 0.5 mm. But sheets are produced in a wider range. From 0.35 to 0.7 millimeters.

The sheet is galvanized by applying zinc with a material consumption of 100-250 grams per square meter. There are better, modern coatings. Based on zinc aluminum and aluminosilicon.

Next, the sheet is processed with primers, polymer and tinting. This is necessary to give the appearance of the product completeness. And most importantly, the structure of these coatings is responsible for the long-term preservation of the sheet from the effects of corrosion.

A primer is needed to provide better adhesion between the layers. But the polymers can be different:

• Polyester . Sensitive to shocks, but plastic and heat-resistant. Differs in moderate price.

• Plastizol . It is distinguished by impact strength and durability. The appearance of the product is more attractive, because of the texture pattern.

• Pural . UV resistant. Mechanical strength and wear resistance at high altitude.

All polymer compositions are responsible for protecting the surface of the product from external aggression environment. The lower surface of the profile is covered with a layer of protective varnish, which is needed to prevent deformation from temperature fluctuations. Also, this coating preserves the integrity of the product during transportation and installation. The compositions used to process the sheet largely determine how much a metal tile will serve its owner.

They also make metal roofing from aluminum sheet. Anti-corrosion treatment is not required here, but a polymer layer is present. But copper products do not undergo any finishing, except corrugation. Patina, which appears over time, not only improves the appearance, but also increases protection from environmental influences.

The advantages and disadvantages of metal tile

Choosing which metal tile is better for roof of the house, you need to know what to compare. After slate, the popularity of users earned metal, made of steel sheet. Comparing it with the usual slate, we can note a number of indisputable advantages:

• Because of the large area of ​​sheets , the installation speed is noticeably increased. The work is much easier to carry out, and because the joints are used less than usual, the strength of the entire roof increases.

• The metal tile has a relatively low weight . Only 4-7 kilograms fall on 1 square meter of the product. As a result, the load on the rafters is reduced. And also do not need to think about strengthening the foundation.

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• With warranties of 10-15 years , products can serve all fifty.Many factors can affect this: product quality, installation and operating conditions.

• Thanks to the polymer coating , the product is not afraid of high humidity and temperature drops. Because of the perfectly smooth surface, all precipitation, without delay, will drain from the roof.

• A big plus of such a tile in its fire safety . Also, the owners of the roof are pleased that the material does not emit harmful substances.

• The richness of the forms and the color range.

• It requires attention no more than once a year. It is enough just to check the condition of the mounts.

• Inexpensive material and, due to ease of installation, reasonable price of work.

In the video you can see the installation instructions for the metal tile:

Disadvantages of the metal tile

All found faults unable to override the indisputable advantages of metal. But it is necessary to say about them:

• The noise level may be increased during the raining season, if the house has poor sound insulation.

• If the roof has a complex structure, then the material may have more , due to its loss. But this is justified by the low price of the material itself.

• In the case of deformation of the protective layer in cheap materials, the probability of corrosion may increase.

• Tilt angle at the roof slope it is desirable to do more than 14 degrees. Otherwise, there may be delays with the seasonal melting of the snow, due to the relief protrusions on the sheet.

8 factors of an excellent roof

In order for the roof covering to last for many years without repair, you need to know what can help with this. Warranty period of operation can easily be doubled, if we consider all the criteria when choosing a material. There are no unimportant factors, but something must be paid attention to first of all.

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Material thickness

By purchasing metal roofing, the thickness of which will be 0.35-0.4 mm, you can significantly save. But you need to be ready for repair work long before the end of the warranty period. Metal of such thickness does not hold a blow at all. A fallen ripe fruit and even a small broken branch will leave a good dent on it.

Any such defect leads to tension in the material, creating the danger of cracking. Thinning paint and polymer coatings can accelerate the onset of corrosion. And if we talk about a natural cataclysm in the form of hail, then after such a natural disaster it may be necessary to replace the entire roof.

Therefore, when choosing which thickness of metal tile is better for roofing, you need to remember that the optimal price-quality ratio is possible only if the sheet thickness is in the range of 0.5-0.7 mm. And if you find a manufacturer who has sheets with a thickness of 0.9 mm, then you can not be afraid of any natural disasters.

Sheet quality

Speaking about the quality of steel, it can be divided into nationalities :

• European.

• Russian.

• Asian.

The first two consumers have no complaints. But as for the Asian, it stands out in all markets for its low cost. Accordingly, the quality of such products leaves much to be desired. Knowing the attitude to products made from such steel, unreliable campaigns give it away for Russian or European, replacing labels. Therefore, you should always be interested in a certificate for the material.

Features of a galvanized layer

The durability of a steel sheet depends on the thickness of the protective zinc layer. The thinner the coating, the faster the corrosion gets to the metal. According to consumer data, Europe does not save on zinc, whereas in Russian and Asian products the zinc content is only 120-180 grams per square meter. This is often not enough for good metal protection.

After all, the Achilles' heel of metal tiles in beautiful curves, because of which the product is famous. And precisely there, due to the tension of the metal under the action of the press, the thinning of all the protective layers occurs. Therefore, the ideal zinc consumption should be at least 245-275 g / m². But, unfortunately, it is impossible to verify the thickness of the layer. It remains only to trust the manufacturer. And he is not always honest. For example, one unscrupulous company was identified that applied paint directly to bare metal without using zinc and polymer coatings.

Design

The geometry of metal tile is diverse and may affect its durability. After all, the subsequent rigidity of the sheet is directly dependent on the depth of stamping on the press.Separate the sheets into a small wave (up to 50 mm) and high (over 50 mm). The smaller the wave, the harder the sheet turns out.

Other design solutions, such as symmetry and asymmetry, do not affect the quality of the product and are only of an aesthetic nature. Demand is already enjoyed and proven models :

• Monterrey.

• The Joker.

• Bang.

• Cascade.

But and new items collect points from users:

• Andalusia.

• Modern.

• Shanghai.

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Protective coating

Comparative characteristics of the most popular protective coatings, starting with the highest price category:

• Pural . To date, this is the best coverage and to him, practically, there are no complaints.

• Plastizol . In the heat it cracks, but in the cold it is perfect.

• Polyurethane . Able to stand for more than fifty years.

• Polyester . Advantages of the material is that it does not change the appearance throughout the service. And cons - it is necessary to process the sections on a sheet of paint.

There are also coatings of various compositions that not only improve the appearance of the product, but also improve its quality characteristics. These are PVDF, Prizma, Viking and composite blends.

Color solution

When choosing the color of your roof, you need to consider some factors:

• Saturated, dark colors are always a sign of nobility. Do not violate the aesthetics of the house and fit almost any color of the walls. But over time, fade and lose their original appearance.

• Bright colors are more practical, since they do not attract the sun's rays and therefore the roof heats up less. The color is maintained, practically, for the entire service life.

• It must be remembered that the paint is also the protective layer . Therefore, if you save on this parameter, you can reduce the warranty period of the product.

Manufacturer

When deciding which tile to choose for the roof of a house, you need to pay attention to the manufacturer. Making an excellent metal tile requires the following conditions:

• Using high-quality metal.

• Use of all protective coatings of the required thickness.

• Modern equipment.

• Quality Control .

If an enterprise has its own technical laboratory, this only enhances the positive properties of the products. And the presence of the production line of hot rolled distinguishes such a company as a leader in the manufacture of good metal. But such indicators can only boast factories giants.

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Small businesses, for the sake of competition with monsters, are forced to save in everything. Therefore, their products are cheap to attract customers. But an inexpensive metal tile is not durable and after a short period of time it will be necessary to spend extra money on repairing the roof.

Nuances

In addition to the main criteria listed above, you should pay attention to the following recommendations:

• If you press on the sample on the stand and on it if a dent remains, then you need to look for another product.

• Abrasions and scratches on a new product indicate its quality.

• The package of a bona fide manufacturer is notable for its durability and reasonableness. The product will easily transfer any transportation intact will reach the consumer.

• We must not forget that a large manufacturer follows its reputation , therefore the quality of its goods is always at its best.

Well-known brands

Deciding what kind of metal tile better to choose for the roof, you need to know which brands to pay attention to first.

In a nutshell about the most popular manufacturers to date:

• Severstal . It is famous for its quality and even released two new brands - "Steel Silk" and "Steel Velvet".

• Metal Profile . Although the amount of zinc in the products is used at the minimum rate, but the company is the only one who uses Purethane for the polymer coating.

• Qarzit . Used zinc aluminum alloy with a flow rate of 265 g / m². Polyester is also used instead of epoxy.

• Metehe . Finnish metal with a good polyurethane coating.

• Grandline . Asian steel with a thickness of 0.48-0.50 mm is used, but it is coated with polymers at factories in Belgium and France. The use of zinc is 225 g / m².

• Takkot . Another Finnish tile using Asian and Swedish steel. But sheet thickness is only 0.40 mm.

• Grand . It has increased durability due to thickened polymer coating.

• Ruuki . The best metal tile on the markets with excellent Pural coating.

• SSAB . Sheet metal tile, but is produced by hot dip galvanized method with the highest zinc consumption - 275 g / m².

In the video you can see the characteristics of the metal tile:

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Conclusion

The right choice of metal tile for the roof is a guarantee of the long functioning of the roof as a whole. This issue should be approached as seriously as possible - if the overpayment just hits the budget, then reckless savings can later become the reason for the need for an extraordinary overhaul.