Corrugated Polycarbonate

Corrugated - Screw Layout - 4' On-Center Rafters & Studs-> Quote & Order-------Reload Site
See Layout for spacing of blocking. Also see Closure Drawing.: -
• Wall Sheets: At top and bottom of wall sheets fasten to top & bottom plates with (1) 1" screw at every 3rd valley. In body of sheet fasten to wall blocking with (1) 1" wood or (1) 1" self-drill metal screw every 3rd corrugation valley. At corners place a 2" wood or 1-1/2" self-drill metal screw every 12" on-center. See Layout Close-up.
• Roof Sheets: In body of sheet fasten to roof blocking with (1) 2" wood or (1) 1-1/2" self-drill metal screw every 3rd corrugation crown. At top and bottom of roof sheets place screws every 2nd corrugation crown. In body of sheet fasten to roof blocking with (1) 2" wood or (1) 1-1/2" self-drill metal screw every 3rd corrugation crown. At corners position a 2" wood or 1-1/2" self-drill metal screw every 12" on-center. See Layout Close-up.: Note: On steep slopes one may use 1" screws in the valley of sheet. Best in high wind areas.
• Sheet Overlaps Use a 2" wood or 1-1/2" self-drill screw at crown of sheet overlap, every 12".
• To avoid sheet deforming fasten screws without excessive tension.