Lüdenscheid, January 2015. Be it rough plastered walls, historic brickwork or fair-faced concrete - the character of an interior is defined not least by the tactile qualities of its architectural materials. With the new Lightgap grazing light wallwasher, ERCO now offers an innovative LED lighting tool for qualitative lighting design with stunning effects. The recessed luminaire emits remarkably linear light that brings out the finest surface structures and textures for an almost three-dimensional effect. With unprecedented precision and uniformity, the new lighting tool lives up fully to ERCO's maxim of "light digital".
Vertical illuminance is a strong focal point for ERCO's solutions. It takes on several functions in qualitative lighting design: Wallwashing defines architecture and gives the impression of space and depth. It also facilitates spatial orientation and ensures a high degree of glare-free visual comfort. In the same manner, light can be used on vertical surfaces specifically to reinterpret a room: Uniform washlighting on walls with smooth surface textures, for instance, gives the room a light and soft character. Grazing light wallwashing, in contrast, creates striking effects on the wall adding an almost tactile dimension to the accentuated materials and textures. As an immaterial material, light therefore complements and intensifies architectural concepts in restaurants or hotel foyers resulting in a unique emotive ambience.
Using light for modelling
ERCO's LED grazing light wallwasher Lightgap brings out the finest wood and concrete texture as exquisitely as rough surfaces such as natural stone through high-contrast light and shadow effects for an almost relief-like plasticity. The shallow recess depth of the linear LED lighting tool allows it to be concealed in the ceiling for effective illumination of vertical surfaces in any room concept. With its asymmetrical light distribution, Lightgap can be positioned to within 10cm of the wall and still produce and exceptionally uniform beam. Thanks to the ERCO system design, Lightgap can be adapted conveniently for wallwashing in a variety of differing room geometries: Available in lengths of 30cm, 90cm and 180cm, the luminaires can be arranged in a seamless continuous row to create a uniform band of light along any stretch of wall. To aid final commissioning, the luminaire can be tilted by up to 10° in both directions for optimum alignment of the luminaires even despite irregular or rough ceiling surfaces or installation channels.
Effective LED photometrics
As a special form of vertical illuminance, grazing light requires a linear light source. ERCO therefore produces specific LED PCBs for grazing light wallwashing that are arranged in a line. The energy-efficient and powerful LED photometrics in the Lightgap grazing light wallwasher are based on ERCO's patented Spherolit lens technology. Computer-calculated spherolites on the lens enable the exact control of the lighting characteristics that are indispensable for this unique type of application.
Technical features of Lightgap
ERCO lens system: Spherolit lens
Light distributions: Grazing light wallwasher
ERCO LED module: High-power LEDs on metal core PCB,
light colours: warm white or neutral white, 3000 - 4000K
Control gear: 3-circuit adapter or DALI dimmable
The ERCO Light Factory in 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 over 60 subsidiaries, branches and agencies in over 40 countries worldwide. Since 2015 ERCO's portfolio has been 100% LED. Inspired by "light digital" as its leitmotif, 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, Shop, Culture, Community, Hospitality, Living, Public and Contemplation. 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.
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