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{\title New ERCO guide focuses on the ideal lighting for green walls}

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{ERCO Press releases\par \par \par New ERCO guide focuses on the ideal lighting for green walls\par \par \par The increasing use of green walls in the urban environment is a significant 21st-century design trend. Also known as living walls, bio-walls or vertical gardens, and a feature of both interior and exterior spaces, essentially they are vertical surfaces which support living vegetation. ERCO has now produced a whitepaper which provides guidance and advice on lighting green walls, a form of illumination which has very specialised requirements. Based on the latest findings and research, 'The perfect lighting for green walls' outlines all the key considerations involved and responds to the most frequently asked questions.\par \par Widely featured in the interiors of workspaces, foyers, shops and restaurants, green walls are visually pleasing and appeal to our innate love of nature. However, their role is wider and more profound. The notion of biophilia is increasingly recognised as an important design tool. Introducing natural elements to essentially artificial environments has been shown to lift people's mood, increase productivity and reduce stress. In addition to the visual and biophilic benefits, with supporting technology they are also green in an environmental sense, contributing to natural air purification, cooling and humidification. In addition, they act as noise absorbers.\par \par Crucial for plant health\par \par As well as water and nutrition, the right kind of lighting is essential if plants are to survive and thrive. Both the lighting approach ? illuminance, light distribution, light exposure, colour temperature and rendering ? and the choice of luminaires will be crucial to plant health. What is important in this context is the balance between science and art, considering both the needs of plants and their visual appearance in an architectural space.\par \par For example, plants especially need the orange and red range of the light spectrum, plus blue light, to carry out photosynthesis (the process by which green plants use sunlight to synthesise nutrients from carbon dioxide and water). However, only a source that also includes the green range of the spectrum and has good colour rendering is essential for a natural and attractive impression of green walls in architectural surroundings.\par \par It is also crucial to provide uniform light levels across the vertical surface to create the best conditions for the even, steady growth of plants. While downlights and spotlights might conventionally be used in these spaces, they will not provide the correct distribution. Wallwash fittings, however, are ideal for this application. \par \par The whitepaper provides a comprehensive, detailed guide to all these aspects of lighting green walls, including visual examples and practical tips. It also examines areas such as calculating the location of luminaires, the optimum length of exposure to light, and more technical considerations such as the measurement of photosynthetic photon flux (PPF), the quantity of photons emitted by a light source that are relevant for photosynthesis and chlorophyll production. \par \par Suitable luminaire types are examined, and a glossary of relevant technical terms is provided, as well as a references list and a useful checklist for specifiers.\par \par Download the whitepaper here.\par \par \par About ERCO\par \par The ERCO Light Factory in the German town of Lüdenscheid is a leading international specialist in architectural lighting using LED technology. The family business, founded in 1934, now operates as a global player with independent sales organisations and partners in 55 countries worldwide. Since 2015, ERCO?s portfolio has been 100% LED. With this in mind, ERCO in Lüdenscheid develops, designs and produces digital luminaires with focus on photometrics, electronics and design. Working closely with architects, lighting designers and engineers, ERCO develops lighting tools used primarily for applications in the following fields: Work and Culture, Community and Public/Outdoor, Contemplation, Living, Shop and Hospitality. ERCO understands digital light as the fourth dimension of architecture ? providing highly precise and efficient lighting solutions to support creative designers in turning their visions into reality.\par \par If you require any further information on ERCO or image material, please visit us at press.erco.com/en. We can also provide you with material on projects worldwide for your media coverage.}}