Metal roof purlins are the members of a metal panel system that run perpendicular to the panels. All dimensions are in inches (millimeters). * Rafter spacing distance generally applies to metal purlins with a nominal thickness of 0.0187 inches(4.8mm) and a minimum yield strength of 40,000 psi (275kg/sq.cm).
This type of purlin is customizable and easy to install with either fasteners or adhesives, depending on the material that you choose!Ĭustomized rafter purlins are also incredibly durable and will last for many years without any problems. These metal roof purlins come in many different materials including aluminum or steel and you can get them in a variety of finishes. Customized Rafter Purlins – Finally, if you want something made completely custom for your project then customized rafters could be a great choice. Open purlins are also easy to cut and customize, so you can get the exact size that you need!ģ. These are made of interlocking channels which are easy to install with a hidden clip system! Most people choose these because they offer good strength at an affordable price. Open Metal Rafter Purlins – If you need something that is lighter and easier to transport, then open metal rafter purlins could be the best choice for you. You can even get them galvanized for an extra layer of protection!Ģ. These types of metal purlins and rafters come in either cold-formed steel or aluminum, depending on your needs. This type of purlin is typically installed with a hidden clip and the rafters are welded to it on site, creating one durable unit! Welded Rafter Purlins – If you want something that is durable and easy-to-install, then welded rafter purlins could be your best choice.
Each has their own benefits, but it is important to understand the differences between them when you choose your system!ġ. There are three different types of metal purlins and rafters. Rafter Distance Details The Types Of Metal Roof Purlins & Rafters
A metal roofing system is a great choice for any building that needs protection from the elements.