Skyspan has the largest range of Standard size domes in stock in Australia that are manufactured in-house. Skyspan can also manufacture Custom Skylight Domes to match the size you need. Skyspan Replacement Domes are made in Acrylic and we also have the ability to manufacture in Polycarbonate in some sizes. The standard Dome colour is White Translucent (Opal) with the option to be made in Clear or Grey Tint. All Skylight replacement domes are made from 3mm material with the exception of the largest domes which are made from 4.5mm material.