Why are there slope limitations for different roof panels?
Maximum slope is usually not at issue, it is the minimum recommended slope that is typically the limitation. If AEP Span produced only one panel, we would make it work at any slope. We produce numerous through-fastened panels, as well as eleven concealed fastener or standing seam panels. Rib design, rib height, coupled with the panel termination (top end, rake) assembly all play into the decisions for Manufacturers to publish recommended minimum slope limitations.
