A module for a folder-gluer (1) includes a frame (13) having two substantially vertical front and rear walls (14, 16) and at least one functional arrangement (28, 33) held by the frame (13), at least one transverse element (17, 18), mechanically connecting and maintaining parallelism between the first and rear walls (14, 16) and the transverse element is configured with at least one substantially horizontal portion forming an apron (19), which is configured to permit an operator (30) to climb onto the frame and to access the functional arrangement (28, 33).