How would you define a standing seam roof? Would you consider corrigated metal to be standing seam? Where can you go wrong installing a flat-panel, standing seam roof with hidden clips?
Corrugated metal roof, if you are talking about the classic material as is used in buildings, and Quonset huts is a lap seamed installation. The standing seam, as you probably know, is like a large channel with the flanges facing up, and butted together, with a capping strip over the flanges; thus the “standing seam”