The flat roof
As defined, it is the ceiling, which is located above the last floor of the building being erected. The flat roof, because that's what he's talking about, characterized by this, that it also acts as a roof. The roof is in fact, it is the so-called flat roof. It is applied at the moment, when the building is erected, which will not have an attic. There are many divisions of the discussed element. Due to its design and physical characteristics, flat roof is divided into two categories. Namely - ventilated and full. The first of them is considered correct in the case of, when residential buildings are erected. In turn, the full flat roof is characterized by this, that it is applicable in industrial construction. The aforementioned physical characteristics, it is nothing else, like a layered system. As for the flat roof, full built-up, it consists of several layers. Namely, the following should be mentioned: construction layer, thermal insulation layer, a vapor barrier layer and a roofing layer. First of them, it is nothing but a ceiling, or another load-bearing element of the roof. An example is a trapezoidal corrugated sheet. The thermal insulation layer is made of mineral wool, be polystyrene. As for the vapor barrier layer - it is roofing felt, or foil. Roofing, that is nothing else, like bye.