Purlins play a critical role In the world of construction, especially when it comes to steel structures and roofing systems. In a nutshell, these horizontal structural members run across the roof and wall frame, which helps support loads from the roof deck or sheeting.

Fair enough, something like a metal purlin might not be considered to be the most glamorous element of a building’s infrastructure, but make no mistake, purlins are absolutely essential for structural integrity and long-term performance.

A good starting point would be to understand that not all purlins are created equal. Which one you use is highly dependent on the nature of your project.…