McElroy Metal Blog Understanding Roofing Fastener Spacing and Patterns: Key Considerations

Roofs flying off under normal conditions isn’t unheard of. More often than not, the underlying error is credited to improper fastener use with exposed fastener roofing. Proper fastener use goes a long way in maintaining structural integrity, weather tightness, and preventing collapse. In this article, you will understand the roles of fastener spacing, fastener patterns, PB leg, and side lap sealant in proper fastener use.