Abstract: The invention concerns a lead-through means for cables or pipes comprising an outer frame (11) and having at least one sealing module (1) arranged inside the frame and which at least one module surrounds a cable or a pipe (8). The sealing module (1) is divided in its longitudinal direction and is built up with peelable sheets (3) for adaptation of its duct area to the actual cable or pipe (8) and which sealing module (1) is intended to fill out the opening of the frame (11) together with at least one expansion unit (12).