Evacuation staircases are made from steel profiles, stair sites and steps are made from welded gratings. All steel structures are hot dip galvanized and assembled by hot dip galvanized screws. Evacuation stair structures are constructed on ferroconcrete foundations and fixed to wall by chemical HILTI anchors. We produce stair steps and pressed or welded gratings according to the customer drawings. Manufactured gratings are hot dip galvanized.