072 FOCUS
Ateljé Lyktan
Te possibilities for natural materials lie not only in developing new products but also revisiting old ones, as in the case of Ateljé Lyktan’s Superdupertube, a new iteration of its 1970s Supertube technical office luminaire. It is the result of a partnership with leading Norwegian architect Snøhetta to pioneer sustainable solutions in lighting design. Te collaboration focuses on material innovation, with the teams searching for an option that would enable a locally sourced solution with a smaller ecological footprint.
Initial investigations into pine cones and coffee grounds led to the discovery of hemp, characterised by its strong fibres and minimal environmental impact. A PLA (polylactic acid) material derived from sugarcane reinforces the hemp fibre to create a biodegradable polymer free from fossil oil or gas. As well as offering the required strength, the organic material mix, enhanced with the sugarcane starch, is also more sustainable in an agricultural sense. Hemp, an ancient crop with versatile applications, grows abundantly without depleting the soil.
It not only reduces CO2 emissions by more than 50%, surpassing traditional aluminium variants, but also allowed the product to be seamlessly integrated into Ateljé Lyktan’s existing production processes – the first project where a material based on hemp has been produced using an existing extrusion process. (Homage to the original Supertube’s innovation with aluminium extrusion.) Features such as the louvre and side covers are injection-moulded also using a
hemp and sugarcane material mix tailored to the production method.
‘Te key improvement involves a
complete revamp of the material and the integration of a smart light system,’ says Snøhetta partner Jenny B Osuldsen. ‘Te extensive material research journey, culminating in the use of hemp and sugar canes as the foundation for the new material, marks just the beginning of our quest for more sustainable, regenerative solutions.’ One of the serendipitous benefits of using natural materials is their individuality. Te colour of hemp varies with different crops and therefore creates variations in the luminaires. Tis also influences the colour temperature of the light. Te LED strips emit a warmer tone through the material. Te sources are available in two colour temperatures: 4000K (tuned to 3800K ambient light) and 3000K (tuned to 2800K ambient light).
Te luminaire comes in four lengths. Te diagonal louvre reduces glare through longitudinal and diagonal light shielding and gives a distinctive character to the fixtures. Industrially compostable, the profile has also been designed for easy assembly and disassembly by enabling components to slide in place without glues and minimal use of screws. Tis also makes it possible to easily replace parts, repair malfunctions, and update lighting technologies in the future.
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