Polycarbonate Positioning and Attachment -Back to Home Page-----
Minimum roof slope 5 degrees, which is a 1/12 pitch. - Screws & Hdwr.
Sheet must be Installed with ribs vertical with ribs vertical on walls and with the slope on roof.
Vertical and the channels can drain moisture. Horizontal and mold & mildew will gather.-
Install with ribs vertical - same direction as sheet length * Sheet size listed is width x length.
Note: For high wind and load applications mid-sheet fastening (and blocking, purlin or girt positioning below) may be 3 ft. or closer.
Increase quantity of screws in mid sheet to every 12" for wind speeds 110-130 mph. 10" for wind speeds 131-150 mph. 8 " for wind speeds 151or greater.
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