Double Slope Rafter Detail Greenhouse

Double Slope Rafter Detail, also known as gambrel roof, is typically a symmetrical two-sided roof with two slopes on each side.  See detail below for simple, effective, way to install polycarbonate on these roofs.   U-Profile Install Tips

Double Slope Rafter Detail

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

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

Polycarbonate Greenhouse and Sunroom Building Supplies