PRL is equipped with state of the art machinery to assist you with complete IG units, providing you with the fastest lead times in the industry. With the capability of fabricating standard dual glazed and triple glazed units and supply them with standard or sculptured grids. PRL IGS units are a high quality, total energy performance product that translate into reduced energy cost and increased comfort. Our IG unit manufacturing capabilities are maximum sizes are 96" x 137" and minimum size of 6" x 6". Our IG units have been tested and certified by IGCC.