Also often slate is called asbestos -cement sheets that this is not at all right. Such a German word is called as a natural slate. But, for now, let’s talk about the sheets. But recently, leaf material has ceased to enjoy its popularity. In Europe, as sheet material, it was forbidden to use in work. This was not the environmental friendliness of the Asbestos material to this. Our popular manufacturers, in response to this incident, have found several options in its favor, this roofing carpet under the sheets provides additional protection, with the outer layer, the person does not contact him directly, the coloring compositions that the slate cover the environmental friendliness and the content of the asbestos slightly. The positive properties of sheet material are durability, environmental friendliness, light, easy to install, acceptable in cost. The negative quality of sheet material is not very suitable for complex structures, noisy during rain or hail, and is subjected to corrosion.
