Conventional Wood Frame Rafter Or Truss Roof

Conventional Wood Frame Rafter Or Truss Roof – Drawings show detail when polycarbonate at lower edge of roof.
Polycarbonate may be set at same level as roofing material above and on sides.

Lower edge of poly overhangs 1″ – 2″.

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