Hollow sections
Square and rectangular Hollow Sections, have a wide range of applications in the field of constructions, as following: construction of sheds, shelters, parking, roof panels and shelter panels, support systems, lofts for shops and warehouses, frames for coating of building facades, roof casing frames, roof purlins, frames for tile roofs, house doors and windows, house railings, door caskets, fences and doors for fencing, gratings for area separation, grates and protection panels, storage systems, agricultural applications, etc