Steel purlins C Purlin Made from high-quality, high-tensile steel, our C purlins can be supplied plain or punched and are available in a variety of web heights and thickness variations to suit your project’s needs, whether you’re building a garage, veranda, carport Galvanized Metal Purlins. We offer 2 profiles for our eaves beams, as recessed profile available in 190mm x 2. Optimum design. Hence, a 10′′ deep purlin costs twice as much as a 4′′ deep purlin. Substantive changes and updates were made from the 2009 edition of the Design Guide for Cold-Formed Steel Purlin Roof Framing Systems, AISI D111. A forming machine rolls the C-shaped steel. 0mm and 265mm x 2. Steel is a popular choice for purlins due to its high strength-to-weight ratio, durability, and resistance to environmental conditions. Manufacturers use steel more in deeper purlins than in shallower ones. Advantages of 1×4 Purlins: Cost-Effective: 1×4 purlins are generally more affordable than larger-sized purlins, making them an economical choice for budget-conscious roofing Hat Channel (or Hat Purlin) are light gauge steel framing members used for roof and wall support, as well as retrofit installation over existing metal roofs. qfgsepqmxpqvurdtjgrzqpemnzlhsjozkxyapmtbysbknnbwmcsewhnbtehpnwdt