Roof at Lower Edge Multiwall Polycarbonate

Roof at Lower Edge: Drawings below show detail when there is roofing at lower edge of polycarbonate.  Polycarbonate must be elevated so it overlaps roofing material at the lower edge of slope.  This will help greatly to eliminate leaks.

    See Ends of Cap & Flashing Purchase

Screws with Base & Cap        Screw counting screws used in body of sheet and perimeter.

See 8 – 25mm Polycarb some are 20 Yr Warranty – Lexan Thermoclear is clearly the industry leader

Polycarbonate Greenhouse and Sunroom Building Supplies