The present invention relates to a screen construction (1) comprising a roof structure (2) which can at least be rolled up and unrolled on a screen roller (3) and by means of which the roof structure (2) is at least partially closable, and a screen casing (4), which extends virtually horizontally and is provided with an internal space for said screen roller (3), wherein the internal space, on a side extending in the longitudinal direction of the screen casing (4), is delimited by at least one removably secured wall element (7a, 7b) of the screen casing (4), so that the screen roller (3), after said wall element (7a, 7b) has been removed, can be placed into and removed from the internal space via the opening formed in this way.