FIELD: construction.
SUBSTANCE: disclosed is an expandable wall device, comprising at least one flap (2) and running rail (1), made with possibility of heating in the floor of the building and having at least one guide channel (11, 12), in which at least one flap (2) is installed with possibility of movement on lower edge. There is also at least one covering element (5) intended for covering at least one guide channel (11, 12) at release of guide channel (11, 12) from at least one movable flap (2). At least one covering element (5) has elevated state, in which it covers guide channel (11, 12), released from flap (2), and lowered state, in which it is lowered into at least one guide channel (11, 12) with possibility of movement of at least one flap (2) over at least one covering element (5).
EFFECT: broader functional capabilities.
15 cl, 15 dwg
