Details gauge working process with dimension. including gauge steel sleeve welded to the drilled frame length to be satisfied , gauge 9mm woven steel screen located behind the louvered and secure by 16 gauge steel welded in position, space between gauge and blades is 5mm ,opposed blade dampers, gauge steel louvers on 9mm centers penetrating though steel and wired welded both additional louvers integrity reinforced by interlocking louvers with support bars on 15mm centers for more detail of Details gauge working process with dimension download this file.