Our steelwork is protected with a galvanised or paint coating. Both methods are covered by a 5-year full guarantee. The thickness of steelwork material will be determined based on the wind force and snow load in the particular region, and in correspondence with the number of columns inside the building. The steel structure is made of three types of components: front frame, back frame and intermediate frames mounted between the front and back frames. The number of steel frames depends on the distance between columns. Usually the spacing is 4 to6 metres. In the front and back frames, auxiliary columns are typically used to delimit the door and gate openings. The assembly of a building begins with erecting the steel structure. The steelwork is usually delivered within 6 weeks from the date of order confirmation and receipt of payment.