Austria Metall AG (shortly AMAG) is a historic Austrian company that has been producing aluminum semi-finished products since the 40s. In the Ranshofen (Austria) headquarters, the expansions and modernization of the plants are constantly active. Recently the “K” sector has been extended in order to insert a new machines with the relative storage areas. Garda Metal Works has installed the complete roofing package with including the Rib Roof 465 sheets that was chosen by the project architect due to it is unique characteristics for long purlin span .