A year earlier, the Eiffel Tower opened for the 1889 Exposition Universelle (World Fair) in Paris. It was initially meant to be a temporary structure, but would become a landmark forever associated with the capital city of France. Apart from being built of steel, what else do these three iconic
structures have in common? Yes, they are all still standing and will likely be around for another 100 years, which is how durable and suitable steel can be when it comes to construction. Now, having established the suitability and durability of steel as a construction material, this would be a good time to look at the type of steel used in ADUs from FrameUpNow. Here we are referring to cold-formed steel (CFS), also known as light-gauge steel, as opposed to the bridges’ steel cables, plates and girders manufactured through the Bessemer process, which involves red-hot molten steel! CFS is a construction material made by shaping sheet steel at room temperature, typically using processes like roll-forming or bending. Unlike hot-rolled steel, which is formed while heated, CFS is created by cold-working steel sheets. This method results in lightweight, high-strength structural components with precise dimensions, making it suitable for framing, roofing, and other building applications. The Advantages of CFS Over Timber There are so many advantages to CFS over timber for framing it is difficult to know where to begin. Speed of construction – The entire steel frame for an ADU can be put up in a matter of a few days. This is where it proves itself to be so much better than
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