Interview with Laurent Machet, REHA – PUCA award winner

 

Describe your project in a few words...

The transformation that we proposed for the 68 dwellings in the residential block in Val de Reuil (Ed.: Normandy, France) consists of removing all the facades from the building in order to streamline it considerably and fitting a loggia, conceived as a new skin for the building and providing 1.80 m of additional floor space to each apartment. Acting alternately as a conservatory in the winter and an open veranda in the summer, these extra square meters clearly fulfill their function as a thermal buffer, increase convenience of use for the inhabitant and allow more light to enter.

 

These three elements are extremely easy to put in place and, at the same time, guarantee résistance to air, water and fire.

Laurent Machet
 

In what way does Ductal® provide a new and distinctive solution?

Ductal® enables a very light, self-supporting solution. Its principal asset over all other conceivable materials in the creation of this double-skin structure is that the whole can be achieved with only three parts:

  • a sub-frame supporting the glazed frames. This also enclosed the construction site, allowing us to work on an occupied site,
  • a 3 cm waffle floor,
  • the peripheral posts supporting the floor.

These three elements are extremely easy to put in place and, at the same time, guarantee résistance to air, water and fire. The work is carried out with the site occupied and there is no need for displacing residents during rehabilitation. But above all this project, supported enthusiastically by the Val de Reuil town Council within the parameters of the ANRU, is allowing us to test a new functionality of Ductal®: the extension of a facade to bring each of the apartments into line with thermal standards using a light system of enclosed balconies that can be dry-fitted. By the same means, the increase in surface area allows the usability of the apartments to be brought up to date, as well as increasing the financial and communicative value of the housing stock.

 

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