4. A fine -grained product is one -sided and double -sided. Used as waterproofing, as well as the lower roofing layer;
5. Laying material with dusty sprinkle. Depending on the composition, the roofing material has several types. Rubemast is a roll material made on the basis of special roofing cardboard. Its lower side contains an increased amount of bitumen, which provides it with plasticity and stability. Its installation is carried out by melting the lower layer, as well as plasticization with solvents. Glalter -ruble is made on the basis of fiberglass.
