Roofs

Roofs not only protect a structure from water and heat, but they also play a defining role in the overall structural design of most commercial buildings. This lesson explains how different roof systems resist both static and dynamic loads while helping to keep the building dry and comfortable.

Learning Objectives

At the conclusion of this lesson, you will be able to:

• Describe the loads commercial roofs are designed to resist
• Explain the importance of the roof configuration to a building's structural design
• Distinguish between reinforced and pre-cast concrete roof systems
• Identify six types of steel roof structures
• Describe the purpose of metal roof decking in the construction of a flat roof

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