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Case study
More quality of life, even under the roof

In the twenties and thirties, these cube-shaped buildings were quite popular and were affectionately nicknamed the "coffee mills" as they reminded people of the boxy manual coffee grinders typical of that period.  The two-floor, compact, cube-like house was cost-effective to build and the steep hipped roof offered plenty of headroom for the inexpensive loft conversion at a later date. In other words, builders got a lot of floor space for very little money. The architect Philippe Frey describes how cost-efficient construction was a key theme of the time: "Only the outer walls are solid masonry. They were built with tiles and stones, anything people could use. Therefore, the masonry is very mixed and quite instable statically". For this reason, for example, the installation of larger windows would have been very difficult and expensive. "But that was not a problem for any of us", says the architect.

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VELUX Products

Atrium and chimney

As warm ar rises, it offers a particularly effective means of ventilation: If the windows are opened on other floors, the warm, used air rises and escapes to the outside through the VELUX roof windows. This creates a draught that lets cool, unused air flow down to the floors below. 

The atrium is only equipped with individual windows and fixed glazing. But a central VELUX electric window floods the entire airspace with natural light from the south. Thanks to the electric motor, roof windows and heat protection awnings can be conveniently operated by radio control for improved air conditioning.

Main benefits of getting VELUX roof windows

  1. Air outlet: As warm air rises, roof windows offer a particularly effective means of ventilation.

  2. Easy radio control: Thanks to the electric motor, roof windows and heat protection awnings can be conveniently operated by radio control for improved air conditioning.

  3. A better quality of life: The windows gave the rooms a new feel-good factor.
Case study
Happy family life in the converted coffee mill

With this successful conversion, a new chapter has been written in the long history of the Roth family's coffee mill residence. It all started with the "wild" shared student accommodation of Bernd Roth. The story continues today with happy family life in the brilliantly converted coffee mill residence.

Floor plan

Case study
New quality of life

The light-filled rooms and the new ventilation options create a completely new indoor evironment. If the windows are opened on different floor levels, the warm, used air rises and escapes through the Velux roof windows to the outside. This creates a suction that allows cool, unused air to flow into the lower floor.

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