Abstract: There is described a method for fabricating a modular panel, the method comprising a continuous production cycle comprising: providing a space between two parallel exterior faces continuously supplied, the space also enclosed between two opposite outer edges; positioning a fastener within the space, along at least one of the two opposite outer edges, the positioning performed at a given rate to form a customized and predetermined pattern, and while the space is being provided; at least partially filling the space with an insulation layer, the insulation layer being also used for holding said fastener in place; and cutting at least the insulation layer to form the modular panel, the cutting according to the customized and predetermined pattern.