Frame:

Frame is made of Pressed C. R. Sheets, size of the frame 85mmx 40mmx 1.25mm thick.. Top member of the frame is welded with side members. Four hinges are fixed with nuts and bolts and flushed with frame. Size of the hinges 100 x 2mm thick. 2 tie bar angles are welded at the bottom of the frame. Eight holdfasts are provided on the sides of the frame vertically. (4 nos. on each side)

Shutter:

Shutter is made of C.R. Sheets hydraulically pressed embossed rib type design. Front sheet vertically embossed, rib size 12mm x 12mm at the center of 65mm and back sheet horizontally rib type design at the center of 165mm. Both sheets front and back are spot-welded. Thickness of the shutter is 0.8mm. Complete shutter is welded with hinge of the frame. All fittings like M.S.Aldrop, Tadi, Towerbolts, Stoppers and handles are provided. Duly two coats of metal primer spray-painted