Welcome to QLD Skylights A QSI Design reflect many years of experience and knowledge built up from listening and responding to our customers needs. By incorporating the latest tooling practices, we replace the traditional four pieces of metal base to one. Less joints in your skylight means less chances of corrosion so you benefit from a longer service life. QSI skylights are manufactured to AS 4285. Skylight Sizes Our standard size skylights are designed with domestic bathrooms, kitchens and hallways in mind. However, we can always custom build to suit your requirements. Standard sizes to suit Tile roof, Corrugated & Metal Deck roof profiles are: Width x Length 300 x 300mm 400 x 400,800,1200mm 500 x 500,800,1200mm Ventilation Skylight ventilation systems are not only popular, but essential for areas like bathrooms. Our vented skylight range include: Standard static vent Louvred flue skylights A/C powered fan vent Solar powered fan vent for continuous low cost air extraction. Glazing You have a choice of many glazing systems. Our primary glazing material is: Polycarbonate - this material has revolutionised the modern skylight. It’s toughness and long service life has made it a favourite with building professionals. In the twin walled form, it has greater thermal insulation properties and has the ability to be installed flat to roof giving a more refined appearance. Glass - We can design a skylight using the proven low energy emission double glazed toughened glass to provide natural light and a sense of space to your living environment. Skylight Shaft - The most common shaft materials are light reflective Aluminium foil and flex spiral duct. QSI uses as standard, Aluminium light reflective foil, for it’s greater illuminance and flexi duct in getting arround obstructions. Polished mirror shafts are used in our premium range as well as for the shaft drops of over four meters in length. Different shaft materials will affect the performance of your skylight. We can discuss the best alternative with you at your home or at our showroom. Diffuser - Diffusers provide an even spread of light into a room by increasing the angle of light transmission from ceiling to floor. Most commonly used are Prismatic, Opal and Sea Drift. Skylight upgrade or repair - Our service doesn’t finish with new skylights, we can upgrade or repair an existing skylight system. We are available to discuss the options with you. Warranty - QSI offers a lifetime warranty on the installation of it’s product.