Polycarbonate Sheet Hi-Rib Profile Polycarbonate sheets add natural light to your spaces while ensuring superior insulation. With their embossed finish, these sheets provide aesthetics and functionality, making them ideal for skylights and roofing. Trapezoidal - 3.5 Feet Thickness (mm): 1.8 / 2.0 / 3.0Supply Width (mm): 1060Cover Width (mm): 1000Pitch (mm): 200Crest Height (mm): 30Finish: Embossed