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Sumit Singhal
Sumit Singhal
Sumit Singhal loves modern architecture. He comes from a family of builders who have built more than 20 projects in the last ten years near Delhi in India. He has recently started writing about the architectural projects that catch his imagination.

Renovation Of Henri Wallon Primary School Facades in Montreuil, France by LEM+ Architectes

 
May 25th, 2013 by Sumit Singhal

Article source: LEM+ Architectes

The Lem+ agency hands over the renovated façades for the Henri Wallon primary school in Montreuil, France. Apart from the asbestos treatment, the project provides for improved thermal performances and summer comfort, as well as the provision of access for the disabled.

Image Courtesy © Luc Boegly

  • Architects: LEM+ Architectes
  • Project: Renovation Of Henri Wallon Primary School Facades
  • Location: Montreuil, France
  • Photography: julien lanoo, Luc Boegly
  • Client: Montreuil local authorities
  • Engineers: Bethac – Ibat – Becri
  • Contractors: Cavanna – Nogues, Euro Ascenseurs, Prefaub
  • Surface: 3592 m
  • Cost of works: Eu ros 1 760 000 excl. VAT
  • Adapted procedure Winning project Handover: February 2013

Image Courtesy © Luc Boegly

The building dates back to the 1960s: two upper levels over a ground floor, 64 metres long and 18  metres wide. The building has simple proportions and uses a concrete post and beam structural grid and hollow block floor slabs.

Image Courtesy © Luc Boegly

The façades are dictated by the grid. For reasons of thermal insulation and deadlines (occupied site), the constructive choice of new, high performance façades was guided towards the use of site-assembled prefabricated wooden panels.

Image Courtesy © Luc Boegly

The design of the new façades is based on a system of prefabricated panels that rise up over the height of the two upper levels (height: 7.1 metres) and use the existing 1.75 metre grid.

Image Courtesy © Luc Boegly

The new factory-manufactured façade panels take the form of timber framed units provided with rockwool insulation placed between the uprights and an external finish using varnished multi-ply panels. The glazed casements (solid plywood) are surface-mounted onto the structure.

Image Courtesy © Luc Boegly

Environmental approach:

The performances of the new façades are as follows:
Thermal resistance:
Existing R = 0.28 / Project R = 4.69
Losses:
U existing outer skin: 1.86 W/(m²K) / Project: 0.213
W/(m²K)
The average energy saving when compared with
the existing structure is around 90%

Image Courtesy © Luc Boegly

Image Courtesy © julien lanoo

Image Courtesy © julien lanoo

Image Courtesy © julien lanoo

Image Courtesy © julien lanoo

Image Courtesy © julien lanoo

Image Courtesy © julien lanoo

Image Courtesy © julien lanoo

Image Courtesy © julien lanoo

Image Courtesy © julien lanoo

Image Courtesy © julien lanoo

Image Courtesy © julien lanoo

Image Courtesy LEM+ Architectes

Image Courtesy LEM+ Architectes

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Categories: Building, School

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