Metal roof attachment manufacturer S-5! and software developer PVComplete launched a web-based solar calculator designed to create solar project layouts for standing seam and exposed-fastened metal roofs. "Compatible with most industry PV module manufacturers and any size module, the S-5! Solar Calculator is the only one in the industry that calculates PV on rail-less, direct-attach... The post S-5! and PVComplete develop design software for solar projects on metal roofs appeared first on Solar Power World.