FIELD: building, particularly to built multistory buildings.
SUBSTANCE: multistory building has roof with cold or heated through attic, air shaft with vent channels and common head crossing the roof and provided with cowl. Installed in air shaft head is clack air draught regulator to regulate draught of air passing from rooms through vent channels to change effective cross-section of the head in dependence of cold air temperature. Regulator has clacks of roofing steel having rotary pins. The first ends of rotary pins are welded to steel frame embedded in hear masonry along perimeter thereof.
EFFECT: provision of air draught regulation in air shafts and stable ventilation in multistory buildings.
2 cl, 10 dwg
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