N.G.F panels for sectional panoramic doors consist of special aluminium sections and glazing .Materials resistant to mechanical effects polycarbonate ,impact-resistant polycarbonate or louvered organic glass , can be used as glazing .these materials possess high resistance to impact and also have a special coating ,excluding weeping of the insulated glazing unit . The special construction of aluminium section ,which is used in panoramic panels , ensures high strength and reliability of the structure . For increasing thermal-insulating properties of its doors , N.G.F offers to combine panoramic and sandwich panels .