Multi-wall polycarbonate is available in three thicknesses - 16mm, 25mm and 35mm and are available in clear, opal, bronze, bronze-on-opal, grey-on-opal(Heat guard) and blue.

Crystal clear polycarbonate is more than 200 stronger than glass and a quarter of the weight. Although light and strong it is more prone to scratching.

Glass is the hardest wearing of all glazing materials and also the heaviest. It can be supplied in clear, blue, bronze or aqua. Glass can also be ordered with an easy-clean coating.