I have installed about 5 of the 42 sheets for my 2000sqft shop. The sheets are 17' long. I am using sheetrock lift with 2 1x6x16 laid across top for support. I have trusses 16" oc. I am installing metal roofing screws 32"oc. My problem is I am getting a dimple between the screws, dead center between screws. Am I fastening it to tight? Anybody else had this problem. I screw the lap down first then go back and do the rest. Any opinions are appreciated.



