An insulated glazing to manufacture walls or doors for refrigerated display cabinets, comprising: - at least one first plate-shaped element and at least one second plate-shaped element substantially transparent facing each other and spaced apart from each other of a predetermined distance ( d) to define an inner chamber, said at least one first plate-shaped element and at least one second plate-shaped element respectively having a first edge area and a second edge area facing each other; - at least one longitudinal profile placed in correspondence of at least one first section of said first edge area and at least one second section of said second edge area; - at least one adhesive sealant polymeric resin placed inside said chamber at least in correspondence of said at least one first section and of said at least one second section in contact with said at least one first plate-shaped element, at least one second plate-shaped element and at least one longitudinal profile; wherein said at least one longitudinal profile is made of substantially rigid or semi-rigid substantially transparent polymeric material, said at least one adhesive sealant polymeric resin being substantially transparent; characterized in that said at least one longitudinal profile defines means to mechanically couple said at least one first plate-shaped element and at least one second plate-shaped element, said at least one longitudinal profile and said at least one adhesive sealant polymeric resin cooperating each other in such a manner to reciprocally join said at least one first and one second plate-shaped elements ( 10, 20); and further characterized in that said at least one longitudinal profile includes a substantially planar or slightly curved main body with at least one first longitudinal seat and at least one second longitudinal seat extending substantially transversely or perpendicularly from the main body thereof to respectively house said at least one first section and at least one second section, said at least one first longitudinal seat and at least one second longitudinal seat comprising a respective pair of first side walls ( 36, 36') and of second side walls ( 360, 360') susceptible to come in contact at opposite sides with said at least one first and said at least one second plate-shaped element ( 10, 20) so as to define side walls ( 36', 360') inside said chamber and side walls ( 36, 360) outside thereto, said at least one adhesive sealant polymeric resin being in an amount such as to adhere to said inner side walls ( 36', 360') and to said at least one first plate-shaped element and at least one second plate-shaped element for a short section ( 15, 25) overlying thereof; and further characterized in that said first and second side walls ( 36, 36'; 360, 360') comprise first and second fastening elements respectively in contact with said at least one first and one second plate-shaped element ( 10, 20) to act by friction against the latter, said first and second fastening elements comprising projections of said first and second side walls ( 36, 36'; 360, 360') directed towards the inside of said at least one first and one second longitudinal seat ( 33', 34'), said projections being longitudinal beads extending substantially along the entire length of said first and second side walls ( 36, 36'; 360, 360'). - at least one first plate-shaped element and at least one second plate-shaped element substantially transparent facing each other and spaced apart from each other of a predetermined distance ( d) to define an inner chamber, said at least one first plate-shaped element and at least one second plate-shaped element respectively having a first edge area and a second edge area facing each other; - at least one longitudinal profile placed in correspondence of at least one first section of said first edge area and at least one second section of said second edge area; - at least one adhesive sealant polymeric resin placed inside said chamber at least in correspondence of said at least one first section and of said at least one second section in contact with said at least one first plate-shaped element, at least one second plate-shaped element and at least one longitudinal profile;