In steel construction, the term purlin typically refers to roof framing members that span parallel to the building eave, [5] and support the roof decking or sheeting. The purlins are in turn supported by …

Mar 7, 2022 · To enhance building performance and longevity, we recommend you keep an eye out for the following: high lumber grade, proper spacing, overlapping ends, purlins placed on edge, and …

May 8, 2025 · Let us look at five common types of purlins. There is also a breakdown of their pros and cons to help you make the right choice for your next build.

Apr 4, 2025 · Purlins are essential components in construction, primarily used in roofing systems to provide support for roof sheeting or decking. Their main purpose is to distribute the weight of the roof …

Dec 21, 2025 · Found in most large structures, purlins are the horizontal beams that provide structural support to a building by helping to pass roof loads to other major structural elements.

If your structure has a metal roof, it likely depends on purlins to carry the load. Purlins are essential for the strength and longevity of modern roofing systems, playing a critical role in everything from …

Sep 10, 2025 · Rafter and purlin roof construction blends traditional framing with practical load paths to create strong, adaptable roofs. This guide explains the roles of rafters and purlins, essential …