LWP Roofs consist of four major components. Which item is NOT listed as one of them?

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Multiple Choice

LWP Roofs consist of four major components. Which item is NOT listed as one of them?

Explanation:
LWP roof work centers on the load‑bearing framing that forms the roof’s skeleton. Beams (laminated wood or metal) carry loads across spans. Purlins provide intermediate support along the length, backing up the framing. Joists, like 2x4s in light wood frame roofs, create the horizontal framework that distributes loads to beams and walls. The 3/4 inch plywood decking is the roof surface sheathing that sits on top of this framing to receive roofing material. While crucial to the roof’s function, decking isn’t counted as one of the four major framing components, so it’s the item that isn’t listed.

LWP roof work centers on the load‑bearing framing that forms the roof’s skeleton. Beams (laminated wood or metal) carry loads across spans. Purlins provide intermediate support along the length, backing up the framing. Joists, like 2x4s in light wood frame roofs, create the horizontal framework that distributes loads to beams and walls. The 3/4 inch plywood decking is the roof surface sheathing that sits on top of this framing to receive roofing material. While crucial to the roof’s function, decking isn’t counted as one of the four major framing components, so it’s the item that isn’t listed.

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