External ones are designed to remove excess melt and rainwater in the surface of the roof. They serve as the main protection of the facade, the foundation of any building. Made of metal or polymeric materials, are adhesive or on rubber seals.
The main function of providing the drainage is assigned to pipes and gutter. For connecting parts, special accessories are used. They connect the system into a single whole, serve as elements of fastening. Installed on industrial and residential premises. The functions of accessories perform:
Cornices.
GOLOBA.
Water reception funnels.
Knee.
Brackets.
Lattices, plugs.
Distribution systems are distinguished by the type of material from which they are made. Each of them has its own advantages. This or that type of drain is chosen depending on the type of building, the area where the system will be installed.
Metal water disposal systems
The cost of the drainage system directly depends on the manufacturer. Metal drains can last about 30 years, they are installed mainly in the area, in which there is an increased environmental activity. It can be residential, production buildings that are located near factories, enterprises. Strictly speaking, drainage systems are very convenient and practical designs.
Advantages:
Distributions are made of high -strength galvanized steel, covered with 2 sides with a protective polymer coating. The material is durable, characterized by increased resistance to sediment, ultraviolet radiation.
The material has wear resistance, withstands sharp temperature fluctuations.
Attracts a large assortment of color solutions. Differs in the simplicity of installation, operation.
