Roof Valley For Multiwall Polycarbonate Sheet

Roof Valley – We do not provide metal flashing. See Flashing Intro.  We do offer 3″ & 6″ x 100′ – 15 mil Adhesive Roll Flashing (shown below) that has Butyl Adhesive (facing down) and aluminum foil on the opposite surface. When using Sikaflex 295 UV read Sikaflex instructions on the tube. – 3″ Flashing Tape only $25

 Sealant Usage

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