E.Leclerc Center of Quimper

  • Project type : Renovation
  • Building Type : Supermarket - Hypermarket
  • Construction Year : 1988
  • Delivery year : 2015
  • Climate zone : [Cfb] Marine Mild Winter, warm summer, no dry season.
  • Net Floor Area : 6 097 m2
  • Construction/refurbishment cost : 120 000 €
  • Number of Visitor : 50 Visitor
  • Cost/m2 : 20 €/m2
  • Cost/Visitor : 2 400 €/Visitor

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  • Published on 08 June 17
    by Antoine Horellou|France
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  • Contest

    Green Solutions Awards 2018 - Buildings

    Energy & Temperate Climates
    Users' Choice

    This building has the largest Cool Roof in France. The most innovative aspect of the renovation is the application of thermal reflective paint on the roof.

    A white roof reflects about 85% of the sunlight that reaches it and heats up a few degrees more than the outside air temperature. On the other hand, a black roof can heat up to over 80 ° C.

    It is therefore a simple and effective solution to improve comfort, limit air conditioning expenses.

    The strong points of a cool roof:

    • · Reduce energy bills by reducing the need for air conditioning,
    • · Improve thermal comfort for spaces that are not air-conditioned,
    • · Improve the performance of roofing equipment (air conditioner, solar panels ...)
    • · D Decrease the temperature of the roof, which prolongs its life because it undergoes no more important changes of temperatures.

    NB: The RTex, RT2012 and LEED certification include in their calculation the solar absorption of horizontal walls. Coolroofing is widely used in the USA but very little used in Europe.

    Certification Scheme


    , 29000 Quimper France

    Technicals Features