Glazing unit (10.5) - with at least one glass pane, - with at least one profile system (22.5) which is fastened or can be fastened to a support structure, - wherein the glass pane is fastened or can be fastened with its upper end region to the support structure by the profile system (22.5), - wherein the profile system (22.5) has a first supporting profile (24.5) which is fastened or can be fastened to the support structure and which, with its lower region, frames the upper end region of the glass pane from a first side, - wherein the profile system (22.5) has a second supporting profile (26.5) which can be fastened by hooking to the first supporting profile (24.5) and which, with its lower region, frames the upper end region of the glass pane from a second side situated opposite to the first side, - wherein the upper end region of the glass pane is mounted between the two supporting profiles (24.5, 26.5) in a direction perpendicular to the plane of the pane, - characterized in that - the first supporting profile (24.5) has a vertical leg and a horizontal leg, - an upwardly directed bent-over portion is arranged approximately at the centre of the vertical leg, - the horizontal leg of the first supporting profile (24.5) has at its front end region a downwardly directed, hook-shaped protruding leg, - the second supporting profile (26.5) has a vertical leg, - a slightly upwardly directed horizontal leg is arranged approximately at the centre of the vertical leg of the second supporting profile (26.5), - the horizontal leg of the second supporting profile (26.5) can be suspended with its terminal bent-over portion in the upwardly directed bent-over portion of the first supporting profile (24.5), - a hook-shaped bent-over portion is integrally formed in the upper end region of the vertical leg of the second supporting profile (26.5) and can be suspended in the hook-shaped protruding leg of the first supporting profile (24.5), - a spacer member is present between the first supporting profile (24.5) and the second supporting profile (26.5), - the first supporting profile (24.5) and the second supporting profile (26.5) can be fixed in their position relative to one another by means of the spacer member, - the spacer member has two latching levers (112, 114) which can be respectively latched into a recess in the horizontal leg of the first supporting profile (24.5) and into a recess in the hook-shaped bent-over portion of the second supporting profile (26.5). - with at least one glass pane, - with at least one profile system (22.5) which is fastened or can be fastened to a support structure, - wherein the glass pane is fastened or can be fastened with its upper end region to the support structure by the profile system (22.5), - wherein the profile system (22.5) has a first supporting profile (24.5) which is fastened or can be fastened to the support structure and which, with its lower region, frames the upper end region of the glass pane from a first side, - wherein the profile system (22.5) has a second supporting profile (26.5) which can be fastened by hooking to the first supporting profile (24.5) and which, with its lower region, frames the upper end region of the glass pane from a second side situated opposite to the first side, - wherein the upper end region of the glass pane is mounted between the two supporting profiles (24.5, 26.5) in a direction perpendicular to the plane of the pane, - characterized in that - the first supporting profile (24.5) has a vertical leg and a horizontal leg, - an upwardly directed bent-over portion is arranged approximately at the centre of the vertical leg, - the horizontal leg of the first supporting profile (24.5) has at its front end region a downwardly directed, hook-shaped protruding leg, - the second supporting profile (26.5) has a vertical leg, - a slightly upwardly directed horizontal leg is arranged approximately at the centre of the vertical leg of the second supporting profile (26.5), - the horizontal leg of the second supporting profile (26.5) can be suspended with its terminal bent-over portion in the upwardly directed bent-over portion of the first supporting profile (24.5), - a hook-shaped bent-over portion is integrally formed in the upper end region of the vertical leg of the second supporting profile (26.5) and can be suspended in the hook-shaped protruding leg of the first supporting profile (24.5), - a spacer member is present between the first supporting profile (24.5) and the second supporting profile (26.5), - the first supporting profile (24.5) and the second supporting profile (26.5) can be fixed in their position relative to one another by means of the spacer member, - the spacer member has two latching levers (112, 114) which can be respectively latched into a recess in the horizontal leg of the first supporting profile (24.5) and into a recess in the hook-shaped bent-over portion of the second supporting profile (26.5).