Answer:(C) They provide better thermal insulation than do wood members of the same size.
Explanation: Light gauge steel framing members, also known as cold-formed steel, are made from steel sheets with high quality Structural quality, the major disadvantage of light gauge steel framing is that they lack the ability to withstand thermal pressure,they are also easily affected by combustion or fire.
Light steel frames construction are known to be more reliable and they are known to have a high flexibility, durability, light weight and are very easy to handle compared to Wood members of the size.