Abstract: In making a spacing frame for use in forming an insulated arrangement of spaced glass panes, the frame is made from a continuous length of a tubular bar arranged to contain desiccant granules of given size. A wall section of the tubular bar, which is to form the inner frame border between the glass panes, is cut transversely of the longitudinal axis of the tubular bar. The depth of each cut is selected to be substantially equal to the thickness of the wall section. The width of each cut in the direction of the longitudinal axis of the tubular bar is selected so the desiccant granules cannot escape through the cut, and sections of the bar extending longitudinally from opposite sides of the cuts are bent relative to one another to form the frame corners.