METHOD frost protection of rainwater heads water drain With built-up flat roof and attic

摘要

FIELD: construction.;SUBSTANCE: invention relates to construction engineering and, particularly to methods of water inlet hopper protection from icing for water discharging from flat roofs with or without attics. According to the invention the technical result is achieved by manufacturing protection cap for water inlet hoppers from non-metal materials provided with low heat conductivity, for example wood. When snow blanket is stable, protection caps are covered with snow layer having thickness sufficient for creating above-zero temperatures inside hopper and protection cap so that water can be discharged.;EFFECT: effective operation of water inlet hoppers.;1 cl, 1 dwg