Bitumen mastic is a plastic substance, which is based on bitumen with an admixture of oil products, asbestos, talc, limestones, as well as fatty acids to prevent the formation of precipitation. Such mastic can be used both in pure form and in subsequent processing. Basically, a bitumen -based mastic is used for sealing. Indispensable in roofing, where good isolation from moisture penetration is important. Suitable for sealing as wooden, so concrete and reinforced concrete structures. Perfectly mastic will prove itself in lighting cracks in wooden, metal -plastic windows. The main advantage of mastic is the preservation of their characteristics even after 10 years of operation, also resistant to temperature fluctuations from 30 degrees of frost to 80 degrees of heat. Bitumen mastic is used almost everywhere, both in external works and internal. If these are roofing work, then it will be indispensable in laying materials of a roll type, for putting small cracks, various bumps. Suitable for installing drain pipes and mounting drainage to them. Well corrects damage in concrete screeds, fills the cracks of various materials. As waterproofing mastic, work with various materials: concrete blocks, steel structures, communication wiring, pipes. Before applying mastic to the surface, it is necessary to clean it in advance of old coatings and other deposits. After cleaning the surface, it should also be primed. If it is a metal or wooden coating, then before applying it must be degreased. The thickness of the applied bitumen mastic should be at least 3 mm. Frozen mastic in its consistency is not solid, elastic. Bitumen mastic can be diluted if desired. For this, liquids such as Toluol, Solvent or White-Spirit are suitable for this. Before applying mastic, it should be well shaken. Store in a sealed metal container away from the source of fire.