Kit for the assembly of a main door for the closure of a compartment, particularly of a garage compartment

1) A kit for an assembly of a main door for a closure of an opening of a compartment, or of a garage compartment, the kit comprising:

• at least two fixed uprights and at least one fixed crossbeam, said fixed uprights being associable with said fixed crossbeam to define a fixed frame that can be attached to an access opening of a compartment, wherein said access opening has relevant reference dimensions;
• at least two movable uprights and a plurality of panels, associable with said movable uprights to define a movable leaf;
• movement means, associable between said movable uprights and said fixed frame and adapted to determine a movement of said movable leaf with respect to said fixed frame;
• where said fixed uprights, said fixed crossbeam, said movable uprights, said panels and said movement means can be assembled together to form a main door;
• at least one of said fixed uprights, said fixed crossbeam and said movable uprights is made according to respective predefined standard dimensions, which are bigger than said reference dimensions, and comprises at least one related trimmable portion, provided with at least one graduated reference scale adapted to allow a cutting of said trimmable portion depending on said reference dimensions.