A centralized drain is not just a beautiful appearance of the building and the absence of a puddle. It will still allow you to extend the service life of the supporting structures, protecting them from excess moisture.
Distribution systems are divided into linear and point. Pointing systems of drainage are characteristic of flat roofs. They are a funnel with a outflow pipe that goes into the sewer. The flow of water to the funnel is provided by a small slope of the underlying layer of the roof. In St. Petersburg, the drainage system of which the price of which depends on the configuration and model – is proposed in the company “Trading House Leadersm” . On the official website of the company you can see the drainage systems in the catalog and choose the optimal for the object.
Linear drains are arranged in houses with a pitched roof. They are represented by a system of funnels and gutters. Water from the roof, flows into the gutter, arranged along its perimeter. The gutter is fixed with a small slope to the funnel. A filter is installed on the funnel to strain heavy fractions and dirt. From the funnel, along the drain pipe, water enters the drain groove, from where it goes into the sedimentation tank, river or central sewer.
The drainage system is arranged after the facade of the building. Fastening gutters occurs to the supporting roof structures, special hooks. The connection of the gutters is possible with each other thanks to special connecting elements and external and internal corners. Fix the drain pipes through the floor.
The calculation of water removal systems from the roof is carried out by special organizations. It depends on the location, the amount of precipitation, material and form of the roof, etc.p. The calculation is made for the number of funnels, the diameter of the pipeline and the volume of the sewer tray.