|Close up of steel. Image Source: Public domain images.|
Steel remains to be a highly valued material because of its recyclability. Other building materials claim to be recyclable—but the difference between them and steel is that the latter won’t lose its performance or property value. Once the building is taken down, the steel can be used for a variety of other purposes. And yes, that includes making a new steel building.
If the building owner wants to save energy in the long run, steel is also the best choice. Starting with the design process, the use of insulated panels can result in the decrease of heat going out of the interior while at the same time letting in as little cold as possible. Ultimately, this means that energy use in the building will be drastically lessened.