Manufactured from high quality UV protected polycarbonate, Stardome Rooflights are available in a choice of profiles such as domes (SD220) and pyramids (SD200). Polycarbonate offers high impact resistance as well as a variety of glazing options in either clear, diffused, opal or bronze. (Other shapes are available on request) Stardome Rooflights are available in either a single, double or triple skin units. By using double or triple skin rooflights, the possibility of internal condensation can be reduced significantly. The Thermoformed Barrel Vault (SD210) is ideal for large expanses. It is manufactured nominally in one metre sections, which interlock—facilitating easy on site assembly. This provides designers, architects and contractors with a wide range of design options.