For 40 years, Solarlux has specialized in flexible glass facade solutions that guarantee generous openings, maximum daylight penetration and a smooth transition between inside and outside. What originated on a beer mat in 1983 has become the reference in the market four decades later. The glass folding and sliding walls, conservatories, garden rooms and balcony glazing are continuously developed with an eye for technical details, design and transparency.
The new cero IV is an excellent example of this. With a minimum appearance of 6 and 15 mm, cero IV sets a new standard in facade design.
"Glass has made a huge rise in our buildings," knows Alec de Mönnink, Sales Engineer Projects at Solarlux. "As a company, we have embraced and perfected this development. We have been selling light, vision and comfort for 40 years. This becomes apparent, for example, with cero. This sliding system with extremely slim sight widths has guaranteed 98% glass surface and transparency for years and has recently been further innovated, for architecture full of light."
With the new cero IV sliding system, Solarlux again introduces a pioneering design in the sliding system market. "Thanks to a further reduction of the vertical bell jar profile appearance, architects as well as occupants benefit from a Structural Glazing effect," says De Mönnink. "The bell jar is virtually invisible. Moreover, the maximum glass transparency is further increased. The wing appearance has been reduced from 34 mm to just 15 mm (horizontally) and 6 mm (vertically) of aluminum, creating even more glass surface area. And this is done without sacrificing insulation values or wind and water tightness. Essential features such as an aeration slot against condensation in the insulating glass have also been retained."
If desired, the cero IV frame can be completely concealed in the ceiling. "This creates an even more minimalist image, as only 15 mm of sash frame remains in view," says De Mönnink. "With this, we perfectly match the desire of many architects, who aspire to the illusion of 100% glass surface. During ARCHITECT@WORK, cero IV was welcomed with open arms and we look forward to the first projects."
At the Taets Art and Event Park in Amsterdam, the cero IV sliding system was shown in a demo setup with two wings, which can be easily slid away from each other. But other setups with multiple wings are also possible, De Mönnink emphasizes. This allows us to offer a suitable minimalist sliding solution for every building design."
cero IV can be ordered as of now. The first systems will be delivered in early 2024.
To ensure good thermal insulation with a slim wing profile, the cero IV system consists of thermally separated aluminum coupling profiles with fiberglass-reinforced insulators. This allows a Uw value >-0.8 to be achieved, which is suitable for passive construction, De Mönnink said. "The sash frames are implemented vertically with glass with overlap (Stufenglas). Especially in a system with more than one sash, this creates the visual impression of a transparent glass facade. Like the well-known cero systems, the glazing guideline for insulating glass (DIN 18545) is met. Thanks to controlled ventilation in the glass rebate area, condensation in the space between the insulating glass (glazing blind) is prevented. Thanks to an improved construction, the sash loads are vertically diverted to the running rail profile of the floor rail via the runners built into the sash frame. Thus cero IV offers all the functional advantages of cero, with one important extra: the appearance of a continuous and maximum glass façade."
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