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  • The type of glass chosen for your rooflight will strongly depend on your specific requirements.

    As a guide however, look for a minimum thickness of 6mm and at the very least an insulated double glazed unit. The glass should be heat soak tested toughened safety glass and have a low emissivity (low e) coating. This coating will help to reduce solar gain in Summer and keep in heat during Winter.

    Hard coat low e coatings are common but the best suppliers use soft coat low e, as this increases thermal performance. Heat Soak Tested glass greatly reduces the chance of Nickel Sulphide inclusions, which have been known to cause spontaneous fracture of glass. For optimal thermal performance the double glazed unit will also have a warm edge seal.

    Always bear in mind the above points when discussing the appropriate glass for your rooflight with your chosen supplier.

    View the product range at the online rooflight shop.