In sloped roofs, the purlin web is tilted from the vertical position, a fact that further complicates the problem of twisting. Gravity loading acting on a sloped C or Z purlin can be resolved into the ...

A multitude of industrial buildings constructed since the beginning of the twentieth century utilized hot-rolled channel and I-beam purlins spanning the distance between roof trusses, a then-dominant ...

As Ashley Burns and Priest Mawn checked out recently at the Market House, they filled their bags with broccoli, cauliflower, green beans, rice pasta, cocoa powder, milk and more. They make similar ...

MiTek's Concealed Purlin Cleat is an economical (hidden) bracket for fixing purlins to top of rafters, or trusses to top of walls to resist wind uplift. They provide a fast and easy method of ...