Store SKU #
A: Thank you for your question. This item is a #10 Galvanized Hex-Head.
A: Thank you for your inquiry. These fasteners have been used to secure metal roofing to a shingle roof on the low side of the panels and 2” fasteners through the ribs for over lap. As for metal flashing not knowing the application and type of shingle it becomes more trial and error. We suggest testing with 1-1/2” or 2” fastener with rubber grommet.
A: should be fine the washer just has to sit flat to seal
A: Thank you for your inquiry. They are recommended for metal roofing panels. They can also be used on polycarbonate panels, however, you must fasten them where the panels is against the surface below it (in the low point of the ribs). If you put this (or any) screw at the high point of the panel, you will risk cracking the polycarbonate panel.
A: Yes, you can use this on metal roofing.
A: YES it seals
A: is there a rubber gasket on screws?
A: Thank you for your inquiry. Yes, the washer is designed and ok to be used on metal roofing.