Ozone Metal Fire Doors are tested for 2 hours fire rating by CBRI, Roorkee. All Fire Doors are factory finished with epoxy primer and polyurethane-finish paint as per size. It is available in different designs such as Solid, Top Glaze, Full Glaze, Full Glaze with Transom, Half Glaze Louver,Louver, Full Louver, Square Vision, Round Vision, Vision Rectangle, Top Louver, Louver Top and Bottom, Transom & Transom with Louver.