Home / F.A.Q /
    1 - What slip resistance for what room?
    No French standard exists concerning slip resistance. Desvres applies the German standard, which makes a distinction between barefoot use (A, B, C classification) and footwear use for public and industrial areas (R and V classifications).(LINK)
    2 - Do any slip resistance standards exist concerning public kitchens?
    No French standard exists concerning slip resistance. Only the CNAMTS (French National Health Insurance Fund for Salaried Employees) recommends the use of tiles with an index above 0.30 (according to the INRS dynamic rubbing evaluation method) in the food processing industry. Desvres’ CO Guilvinec has a coefficient of 0.39.
    3 - How to maintain my tiling?
    We recommend using additive-free lukewarm water. If necessary, a non greasy caustic detergent may be used. Never use wax or linseed oil based lustering products which leave traces, making the tiles impossible to clean.
    4 - What tiling for what room?
    A standard exists – the UPEC classification of areas - which defines the wear performance that a floor covering needs to possess to be able to be laid in a precise room or area (individual housing, public buildings, industrial areas, etc.). This standard applies to tiling. Every Desvres product has a UPEC classification which defines its performance and thus the areas where each type of tiling can be used.
    5 - What is the PEI classification?
    The PEI is a European wear resistance standard which corresponds to the "U" of the UPEC standard. It defines the wear performance of tiling.
    6 - What are the different families of products commercialised by Desvres? What are the main differences?

    Desvres commercialises three product families:
    - earthenware,
    - porcelain ceramic stoneware,
    - enamelled pressed stoneware.

    7 - What family of tiles should be used for exterior applications?
    Desvres recommends using porcelain ceramic stoneware because its low porosity (= 0.5 %) and its solid mass make it largely insensitive to wide temperature variations. Certain series of Desvres porcelain ceramic stoneware tiles have sufficiently low slippage to be used for exterior applications. However, the rules for applying this type of product must be complied with.
    8 - What is the UPEC classification?

    The UPEC classification is a French standard that defines the resistance of a floor covering according to 4 criteria:
    -U : resistance to wear
    -P : penetration resistance, i.e. impact resistance
    -E : resistance to water
    -C : resistance to chemicals
    Each letter is associated with a number which corresponds to the performance of the tile, 0 for the lowest performance, 4 for the highest. For instance, a Desvres 30x30 cm porcelain ceramic stoneware is classified U4P4E3C2. This classification is delivered by an independent organisation and is used to certify that the performance of a tile is suitable for use in a particular room or area.

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