The present invention concerns a transparent heat-insulating cover element (1), in particular for greenhouse covers, comprising a base body (10) comprising at least two parallel panel-shaped elements (5) being spaced apart from each other and at least one lateral edge profile (18, 18a, 19 19a) forming, in combination with the base body (10), at least one cavity (12) which is essentially sealed against the external atmosphere, wherein the base body (10) is, on at least one of its outer surfaces (9, 11) which is averted from the at least one cavity (12), force-fit joined with, preferably bonded to, a glass layer (14, 16).
