FIELD: construction.
SUBSTANCE: hydrophobic anti-wetted coating is applied on the surface of drain elements with an edge wetting angle of more than 120°. In the beginning of the vertical part of the gutter there is a baffle ring, at the same time the coating is applied onto the inner surfaces of the receiving funnel, the inclined part of the pipe and the baffle ring.
EFFECT: increased operational reliability of a roof.
2 cl, 3 dwg
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