The material used for this type of roof – is a complex fusion of several metals. The main of them – zinc, it is over 90%, are also used: titanium, copper, and aluminum. It defines the main structure such as a roof: strength, flexibility, relatively low cost.
The zinc roofing requires no care, they are easily repaired and serve for a long time. In dry urban climates, material can be served up to 100 years, in the wet – about 70.
As a building material, zinc roof does not contain harmful substances and is completely safe for human health. In addition, this metal is much cheaper than copper, making it more economical.
The alloy of titanium and zinc has another unique ability that distinguishes it from other building materials. On the surface of the titanium-zinc roofing is independently formed protective oxide film – patina. Its appearance begins immediately after the first interaction of the material with the environment. Formation of patina lasts about 4 – 5 years. As a result, titanium-zinc roofing metal loses shine and becomes of gray color. In several European countries, the technology of artificial patina (aging) zinc-titanium alloy is successfully used. Natural shades of zinc roof sheeting range from almost white to dark gray. When using an artificial patina roof with titanium-zinc alloy can be of any other color until the black.
The only drawback of the titanium-zinc alloy is losing its plasticity at ambient temperatures below + 5 ° C. Therefore, assembling zinc roofing sheets should be at or below 5 ° C. However, after the installation of the roof with the titanium-zinc, no differences in temperatures on the roof are not affected. Mounted titanium-zinc roofs perfectly preserve tightness and corrosion and they do not require special care.
In general, the formation of patina is not the fastest process, it may take many months. But today there is the technology of artificial applying of a protective layer on the titanium-zinc roof. Of course, it will cost more expensive than usual, but they applied patina form, dense, beautifulness, general – quality.
As a general disadvantage of the zinc roof panels is, as widely believed, the noise of the rain and hail. This is true if you do not lay under the roof insulation and prevent serious mistakes during installation (inequality lying on the crate can create the effect of the drum).
Another feature of the zinc roof, which can be attributed to the shortcomings, is the need of careful conditions of transportation and storage. While zinc-titanium sheets face (or rolls are stacked one on the other) cannot prevent them from getting wet – in places adjoining white film can be formed, which spoils the appearance.
Of course, do not perform installation zinc roof by yourself or trust this to untested installers.