Further Detail The Mardome Trade Fixed Dome Rooflight is a contemporary, stylish dome with low rise glazing and comes with kerb. The Mardome Trade Fixed Dome Rooflight are designed to be compatible with a range of roofing systems including single ply, bituminous, metal, liquid applied and asphalt. They are also available in a range of sizes, openings, ventilation and kerb options to suit every budget and project. PLEASE NOTE: These are bespoke items so are non-returnable unless faulty Features & Benefits: Good thermal efficiency Glazing is composed of Marlon FSX Longlife polycarbonate, with UV protection and terrific safety in that is has impact resistance 200 times greater than glass. Wide range of sizes and options. *Double skin is not suitable for new builds.