polycarbonate sheet: Good price and good quality. Width:2100mm Length: No limietd PC hollow sheet:Used the Bayer Mateiral to production.Light, ... durable.Widely used in factory roofs, shop, gyms, greenhouses,flower sheds, public facilities,advertising and decoration.Specifaction:Thickness:4mm ... : Transparent, lake green, blue, clear, white, dark, clear. polycarbonate sheet for the house building