Is a Roof Structural

The roofing structure is essentially the frame that your roof will be constructed on. The structure is a series of trusses, beams and rafters that give the roof its shape and that the roof sheathing is laid upon.

Are rafters as strong as trusses?

Once in place, rafters use up more wood, so they weigh more, but trusses are stronger because they are more efficient and have the capacity to produce maximum strength using fewer materials in the end.

What are the structural components of a roof?

• Rafters. One big aspect of a roof’s frame is the rafters. …
• Purlins. Another large aspect of a roof comes from purlins—additional support for the roof load. …
• Pitch. You will also notice the roof’s pitch right from the get-go. …
• Underlayment. …
• Decking. …
• Shingles. …
• Flashing. …
• Drip Edge.