About 80 years ago, the bowstring truss roof became a popular construction element in the United States. Prior to 1960, it was reportedly one of the most common design types for commercial and ...

A gambrel roof is a symmetrical, two-sided type of roof design featuring two distinct slopes on each side–the upper slope is shallow, while the lower slope is much steeper. This configuration ...

The designer is to assume the manufacturer’s responsibility for translating a roof and truss design into an actual roofing solution that is both safe for the client and manufactured in a cost ...