A greenhouse comprises a glazing bar (1) including a glazing bar rabbet (4) which is provided with a pane supporting element (3) which supports a pane (2). The pane supporting element is provided with a fixation portion (6) which is in contact with the glazing bar. The pane supporting element is provided with a pane receiving portion (7) for receiving an end portion of the pane which pane receiving portion is disposed deeper in the glazing bar rabbet than the fixation portion. The pane receiving portion is movable with respect to the glazing bar at least in a direction perpendicular to the pane in assembled condition.
