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  1. Inspiration
  2. Rotterdam

False vertical joint adds royal touch to residential building

In the Dutch city of Rotterdam, an apartment complex of over 90 metres long was built. Despite the imposing length, the building at the Koningslaan doesn’t look long or monotone, thanks to a clever design by architect firm ZAAK VAN NN. A smart combination of different materials, including Rockpanel Colours cladding, creates a beautiful and powerful result.  

Apartment block clad with Rockpanel Colours 

The residential building is constructed from a prefabricated concrete shell with a timber-frame facade, finished with brick slips. The facades have large cantilevered balconies, placed in a switching pattern and interspersed with large glass openings. In addition,  

over 1,400 square meters of Rockpanel Colours facade boards were used. Architect Niels de Vries explains: “Next to the brick slips and the glass, we needed a third material to provide enough contrast. That’s why we used anthracite Rockpanel Colours cladding for the entrance in the middle of the building, which goes all the way up. These facade panels were then extended over the entire sixth floor, connecting the two wings of the building.” 

Powerful appearance thanks to simple interventions 

“Basically, all the interventions we used are quite simple in itself: connected balconies, masonry parts interspersed with a lot of glass and Rockpanel Colours facade boards. But once it’s all brought together, the building as a whole becomes very powerful and interesting to look at.” 

Before mounting, the Rockpanel boards received a false vertical joint, De Vries adds. “This addition really finishes it all off beautifully. What otherwise would have become a very massive-looking anthracite surface, now gives the facade an admirable, luxurious look. Just adding this simple  false vertical joint creates a beautiful interplay of lines elevates the facade to a whole new level.” 

case studie koningslaan nederland
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case studie koningslaan nederland
case studie koningslaan nederland
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case studie koningslaan nederland
case studie koningslaan nederland
case studie koningslaan nederland
case studie koningslaan nederland
case studie koningslaan nederland
case studie koningslaan nederland
case studie koningslaan nederland
case studie koningslaan nederland
case studie koningslaan nederland
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Low-maintenance and firesafe  

On behalf of Houtgroep van Drimmelen, Leo van der Velden was responsible for both the delivery and installation of the facade cladding. “The false vertical joints are milled into the facade boards with a CNC machine. This would be disastrous for many other facade boards, but Rockpanel offers possibilities here, as the boards are produced from stone wool originating from basalt, a volcanic rock that’s insensitive to moisture, dirt and temperature changes. The facade will therefore look great for years and requires hardly any maintenance. Rockpanel is also an extremely suitable product to use to realize a fire-safe facade construction that meets the legal requirements and building guidelines. Another reason to choose Rockpanel Colours boards, was that they’re so easy to work with.”  

Flawless cooperation with Rockpanel 

During the entire design and construction process, the team could count on Rockpanel for help and advice. Van der Velden: “For this project, the framework was pre-assembled on the timber-frame facade, because of the high wind load on the sixth floor. Together with Rockpanel we came to a good solution that saved us a lot of time. This pleasant cooperation was an additional confirmation that we have chosen the right material for this special project.” 

*Disclaimer: Due to changes in our assortment, it is possible that the designs shown in this case study are no longer available. Feel free to contact us in case of doubt.

Used products

Renovation and extension of the Betty-Greif school in Pfarrkirchen, Germany with Rockpanel Colours incl. ProtectPlus coating

Rockpanel Colours

Imagine the freedom of choosing any colour you like from an artist’s palette and then painting your building in the perfect tone of your choice. That’s the choice you have with the Rockpanel Colours range.

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