Stop! Installing Purlins on Edge Can Go Wrong Fast—Here’s How
You’re staring at a pile of lumber or steel, looking up at your roof trusses, and a critical question hits you: should the purlins be installed flat or on edge?…
You’re staring at a pile of lumber or steel, looking up at your roof trusses, and a critical question hits you: should the purlins be installed flat or on edge?…