Screws provided with Base & Cap to attach Base to Frame & Cap to Base.
Screw counting & attaching along perimeter of roof & walls, thru Corners and thru Flashing.
• #10×2″ wood or #12×1-1/2″ self-drilling metal screws with 3/4″ sealing washers – Screws & Hdwr.
used when screwing through 8mm, 10mm & 16mm polycarbonate.
• #10×2-1/2″ wood or #12×2″ self-drilling metal screws with 3/4″ sealing washers – Screws & Hdwr.
used when screwing through 25mm polycarbonate.
Roof
• Use 1 screw per foot along the top edge of roof slope. Set screw through ridge flashing and into purlin or blocking below.
• Use 1 screw per foot along the lower edge of sheet, position between Base & Cap.
• Aluminum Corner Trim (use 1 screw 2″ from ends and every 12″ along each leg of Corner).
Walls
• Aluminum Corner Trim (use 1 screw 2″ from ends and every 12″ along each leg of Corner).
• On side or front walls, use 1 screw per foot along the top & bottom edge of sheet, position between Base & Cap. Screw goes through sheet and into girts or top & bottom plates.
• On gable ends, with Corner Trim at top of sheet, place 1 screw per foot along the bottom edge of sheet, position between Base & Cap. Screw goes through sheet and into girts or bottom plates. See above for screw placement in Corner Trim.
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In body of sheet-See Polycarbonate Position & Attach.
U-Profile & Screw Instructions: 3/8″ Self-Drill Screws to secure lower roof U-Profile supplied free with order of U-Profile. Poly has thickness tolerance of plus or minus 5%. Sometimes the”U” fits snug, sometimes a little loose. Sufficient self drill screws provided should customer choose to use in all locations. At lower edge of slope (eave) set screws every 8″ on-center. When using these screws at other locations set them 12″ on-center. These are self drilling screws, do not pre-drill.
Around Doors, Fans, Shutters 1 screw every 12″ around perimeter of these items as needed.
Note: Base & Cap screws are provided. Specify wood, pressure treated wood, steel or aluminum frame when ordering. Screws to hold on U-Profile also provided.
Base screws are attached to roof purlins and wall girts as laid out in your design. If attaching to rafters position 1″ from ends and about every 12″ on-center. Cap screws are positioned 1-1-2″ from ends and about every 12″ on-center. If installation is in a hurricane zone See Structural Load.