FIELD: construction.
SUBSTANCE: device comprises an air duct with a coolant - warm air from a ventilation duct or a building basement moved along the air duct due to natural draught, and a heating element with an exhaust hole, at the same time the exhaust hole is arranged as multi-channel to ensure needle flow of the coolant.
EFFECT: reduced operation costs for roof maintenance.
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| METHOD TO PREVENT SNOW ACCUMULATION AND ICICLE FORMATION ON ROOF AND TO PROTECT BUILDING ROOFS, GUTTERS, WATER DRAINS, PAVEMENTS, STAIRS, MOTOR ROADS, AERODROMES AND BRIDGES AGAINST ICE GROWTH | 2005 |
|
RU2300611C1 |
