What are the most common types of metal framing systems and how are they designed?

The most common types of metal framing systems are steel and aluminum framing systems.

Steel framing systems:
- Steel framing is commonly used in commercial and industrial construction because of its strength and durability.
- The design of steel framing systems involves creating a framework of column and beam structures that support the weight of the building and resist lateral forces such as wind and seismic loads.
- The steel frames are designed to ensure that they meet or exceed local building codes and industry standards.

Aluminum framing systems:
- Aluminum framing is typically used in residential and commercial construction because of its lightweight and corrosion-resistant properties.
- The design of aluminum framing involves creating a framework of extruded aluminum beams that are bolted together to form the walls and roof of the building.
- Aluminum frames are designed to meet or exceed local building codes and industry standards.

Both steel and aluminum framing systems require careful design and engineering to ensure that the structure is safe, reliable, and meets the performance requirements of the building. The design process involves calculating the loads that the structure will need to support, selecting the appropriate materials, and designing the framing members to ensure that they can safely carry the loads.

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