Base Cap Freestanding Ridge Multiwall Polycarbonate

If top of sheet not seen from below, put aluminum tape on upper edge of poly.  U-Profile used if visible from below.  We do not provide flashing, Flashing Intro.  We offer Adhesive Roll Flashing Butyl Adhesive faces down aluminum foil up.  Note: Horizontal purlin type framing shown, rafter framing similar. – 3″ Flashing Tape only $25

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