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EXTERNAL ENVELOPE


effi ciency throughout the year and will almost certainly also result in fi nancial savings on heating and lighting expenses, providing a cost-saving advantage for the building occupants. Based on a life-cycle assessment (LCA), an Environmental Product Declaration (EPD) looks at everything from raw material extraction and production to transportation, use, and disposal. With standardised data, EPDs allow comparison between different roofl ight products and materials, to help identify more sustainable alternatives and select products with lower environmental footprints.


For buildings looking to achieve Passivhaus certifi cation, architects can source Passivhaus certifi ed glass roofs or skylights. Such components will enable simple integration to the structure without compromising on the required performance calculations to meet the rigorous standards. Notable examples of buildings that have successfully incorporated roofl ights and subsequently achieved Passivhaus certifi cation include the Dunfermline Learning Campus, Harris Academy Secondary School, and the Bicester Eco Centre, all of which feature a blend of roofl ights, smoke vents, and glazed roofs in their architectural design. The original design of these buildings aimed to maximise natural light within an open-plan offi ce or to establish a tranquil environment in an atrium area. There is also continued support for architectural buildings that are focused on LEED and BREEAM as roofl ights contribute to sustainable design strategies that can help a building earn points towards green building certifi cations. Roofl ights offer the perfect fusion of aesthetics and performance, playing a crucial role in sustainable design. By incorporating roofl ights into your architecture, you not only enhance the visual appeal of a space but also make a positive impact on energy effi ciency.


Natalie Goodridge is marketing manager at LAMILUX UK WWW.ARCHITECTSDATAFILE.CO.UK ADF MARCH 2025


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