Last edited 07 Oct 2025

Steel frame building systems

Offsite residential construction, Glossary of terms, published by Buildoffsite in 2018, defines steel frame building systems as: ‘Building systems that use steel as the primary structural material. In domestic scale construction they are generally formed from light steel framing. For larger buildings hot rolled sections are used in pre-engineered buildings. Typically, such frames need site-applied finishes although fire protection may be applied in the factory and in certain circumstances exposed columns may appear in the final building. Elements may be single columns or beams with factory-made connections, or the members may be pre-assembled into larger sections, either offsite or at low level near to the works. Structural steel may be used together with in situ or pre-cast concrete as part of a hybrid frame.’

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