6. Control of surface aspects

6.1 Control samples

In view of the wide variety of possible surface aspects, these are defined on the basis of control samples of at least 20 × 30 cm, produced by the prefabricator or contractor.

An acceptance report will be signed by the various parties (architect, contractor and manufacturer) to validate the choices made.

6.2 Texture quality

The quality level is assessed with reference to the bubbling scale defined in standard P 18-503. Please also refer to the Cahier des...