Why we dont use homes built with steel structures?

Reasons for why we don’t use steel for the construction of the home

Steel is relatively expensive as a material, in the labor to install it, and in the process of installing the finishes etc. It makes sense when the structural requirements emphasize the need for high strength, but single family homes don’t normally need high strength and can usually achieve adequate strength from wood structure or a composite structure involving reinforced concrete and wood with, in larger more complex structures, perhaps a steel beam or two and a few steel posts. Otherwise the only steel in the structure would be nails and structural connectors like hurricane ties and truss to truss hangers.

Steel is not that good a material for fire resistance. Heat weakens the steel and causes temperature expansion which will then result in beams and columns buckling. The twin towers were steel structure and fire caused them to fail catastrophically.

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