Wall facing

Claim 1

A LATTICED PANEL STRUCTURE COMPRISING A PLURALITY OF SPACED ELONGATED SUBSTANTIALLY I-BEAM STILES WITH MALLEABLE FLANGES AND SUBSTANTIALLY FLAT TRACERY BARS HAVING BEADED EDGES AND EACH BAR EXTENDING IN AN UNDULATING DESIGN IN THE PLANE OF THE STILES BETWEEN ALTERNATE POINTS OF ATTACHMENT TO THE ADJACENT I-BEAM STILES, SAID BEADED EDGES BEING THICKER THAN THE FLAT BAR, AND PROJECTING TO EACH SIDE OF THE BAR, AND BEING ADAPTED TO FIT AGAINST THE SIDE OF THE I-BEAM STILES AT EACH POINT OF ATTACHMENT IN THE FLANGE CONERS THEREOF, AND THE BAR SURFACE BEING SLIGHTLY SPACED FROM THE I-BEAM SURFACE SO AS TO ASSURE CONCENTRATED LINE CONTACTS OF THE BEADS WITH THE SIDES OF THE I-BEAM AT ITS OPPOSITE EDGES DUE TO THE PEENING PRESSURE OF THE FLANGES AROUND THE OPPOSITE SIDES OF THE BEADS, THE FLANGES BEING PEENED OVER SAID BEADED EDGES AT THESE POINTS TO PROVIDE A RIGID DEEP LATTICED TRUSSWORK OF HIGH STRENGTH OVER LARGE SPANS AND HAVING GOOD SUN SCREENING QUALITIES WITH MINIMUM RESTRICTION TO AIR VENTILATION THERETHROUGH.