Keeping Long-Span Roofing Weathertight

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Published on 3/5/19.

Post-frame construction is continuing to expand its footprint. Part of this expansion involves much larger structures than was common just a few years ago. Improved materials and expanded design knowledge have helped to increase the number and size of these larger structures. Post frame can now handle building widths well over 100′ wide, and heights of 20′ or more at the eave are possible. Even in this size range, post frame can provide a structure that meets even the strictest design criteria, at a cost that is very competitive relative to other types of construction.

One of the design considerations now getting increased attention is how to effectively use traditional, exposed-fastener metal roofing panels in these large structure applications. Multiple panels are needed to reach from eave to ridge, creating the need for panel endlaps.
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