consists in the refurbishment of Rennes bus station, incorporating a new canopy
which shelters 16 bus departure bays and protects travellers from inclement
This new canopy
is composed of a total of 59 two-layer ETFE cushions distributed in a single
continuous line, 176 m long. In the first part, the cushions, of variable
length, follow the shape of the adjacent building. In the last part, the
cushions, of constant length, follow a single alignment.
configuration covers a total space of 754 m².
installation has been carried out using IASO’s standardised AVIS TECHNIQUE
system for ETFE cushions.
cushions have 2 layers. The upper layer is printed with a design of
aluminium-coloured dots with a diameter of 74 mm, as prescribed by the
architect AREP. The thicknesses of the ETFE membranes are 200, 250 and 300
The perimeter of
the roof is bordered by aluminium flashings and a sealing membrane integrated
into the roof profiles to keep the roof watertight.
The 3 expansion
joints of the structure have been treated with white PVC membrane.