Used roof decking with raised nail ridge. 20g. Has only three screw holes top, bottom and middle so it can easily be used on a roof. Also good for patching, skirting, forms, walls for sheds, pens, etc. Width 39". 4 sheets 8' with aluminum roof coat; 1 sheet 9' plain galvanized; 5 sheets 10' painted flat green; multiple pcs 2'-3' for skirting. All pieces $3.00/lineal foot OBO. Call or text for quickest response. Cash, please.