Facing similar issues as residences NPD and CSK, the façade of the building is currently composed of concrete silex stones which were a popular choice in the 70s- 80s. However, due to the lack of a protective layer, mainly waterproofing, the finish withers from rains and proximity to the sea. The moisture does not only damage the façade, but it also enters the structural elements resulting in a severe case of concrete rot. This is also due to the reinforcement cage being located too close to the surface. The renovation process resolves this issue by entirely removing the massive concrete panels. We then add an adequate waterproofing and insulation layer and finish it with a thinner, uniform and more contemporary cladding like fibre reinforced concrete.