What is the main disadvantage of using steel in construction?

The main disadvantage of using steel in construction is that it often requires specialized trades for proper installation and fabrication. Steel structures typically involve complex connections, precise cutting, welding, and assembling, which necessitates skilled labor trained specifically for these tasks. This reliance on specialty trades can lead to increased project costs and scheduling complexities, as finding and coordinating these skilled workers may be challenging.

While high compressive strength is an advantage of steel, it does not inherently present a disadvantage. Similarly, a light dead load is beneficial in construction as it reduces the overall weight of the building, contributing to more efficient structural designs. Environmental sustainability is increasingly a consideration in modern construction, but steel production does have significant environmental impacts, which may be a concern; however, advancements in recycling and production techniques are helping to mitigate these issues. Nonetheless, the need for specialized skills remains a clear and practical disadvantage when working with steel as a primary construction material.