Butt To Siding – Multiwall Polycarbonate

Butt To Siding – No screws in U-Profile, so polycarbonate can easily expand and contract in “U”.

Screw counting for screws purchased separately – Use Big Stretch for effective joint.

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

Polycarbonate Greenhouse and Sunroom Building Supplies