Roofing nails: We suggest galvanized steel nails, whether or not you’re installing a steel roof, copper roofing, or aluminum panels. These must lengthen three/4 of an inch into your roofing substrate. The exact quantity you’ll want will depend upon the ki... https://Product01.Netpro.CO.Kr:443/bbs/board.php?bo_table=free&wr_id=85