The function of the drainage system in the buildings perform trays, gutters and gutters. These elements must be paid to special attention, because the absence or improper functioning of these elements will lead to flooding during precipitation. In cases of lack of surface drainage from rainwater, the question of the integrity of the foundation may arise. Not every building that has a pitched roof, there is a drainage system. They often refuse them when they are erected by small houses with single -sided roofs. This is possible only when the facades are quite large overhangs of the roof. Installation of the drainage system on the pitched roof is carried out as follows:
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– gutter holders are attached to the rafters or crate, taking into account the installation of the gutters at a slope to the downpipe;
– the gap between the roof and the gutters must be closed with a special bar.
The gutter system consists of gutters that are installed along the perimeter of the roof, downpipes and elements for connecting. Water rolls off the roof and enters the gutters and down the downpipes. The drainage system also includes connectors and connecting pipes, plugs, tees, elbows, pipe holders. Gutters are in the form of a rectangle, semicircle and trapezium, metal and plastic. The shape and color of the gutters are selected based on the overall design of the building. The number of drainpipes determines the engineering calculation.