Installation instructions available?
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The 5Rib panel can be applied over open purlins with a 24" maximum spacing. They should not be installed horizontally so as to attach to the roof joists as water would not shed properly. Installation instructions are available at your local store or via the manufacturer's website. When installed properly, panels will not rust prematurely in normal environmental conditions. Painted products will, obviously, last longer than an unpainted product and carry longer warranties.
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