Self tap screws to hold U-Profile in place, at lower edge of roof sheets, are provided free of charge and are shipped along with other hardware items. Order sufficient quantity, or a little extra.
Small shipments are costly.
Polycarbonate Technical Info Sheet Selection Sq. For framing layout see Typical Layout for Multi-Wall Polycarbonate Over Wood Frame . Sheet thickness affects framing requirements. Also, -Fire Test Report if need. Dept. may request some of the above.