Purlins are horizontal beams or bars used for structural support in buildings,perling especially in roofs. Learn about different kinds of purlins, such as wood, steel, CEE, and ZED, and how to design them for various loads and spans.
Purlins are commonly used in pre-engineered metal constructions. They pass loads of the roof system including the roof sheeting to the major elements of the steel building construction that support the roof. The。
Corrugated metal deck and siding is used for roofs and walls, respectively, to span between purlins for roof loads or between girts for wind loads. The decking is sized to resist the bending caused by these loads. Roof decking is often。
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