![PURLINS COLD FORMED SECTION 1 PURLINS COLD FORMED SECTION](https://excel.civilmdc.com/wp-content/uploads/2021/10/PURLINS-COLD-FORMED-SECTION.png)
A purlin is a secondary structural member that spans between the primary/main steel frame to support the roof cladding. … Light gauge cold-formed steel roof purlins are used on a wide range of building types including retail and leisure, industrial, warehouses and distribution, healthcare and education.