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This European Standard : - specifies requirements for dimensions, washability, impact resistance and grades of colour fastness to light, and for the maximum migration of heavy metals and certain other elements, the vinyl chloride monomer content and formaldehyde release, - establishes the method of marking, - gives a designation system. The marking requirements of this standard are primarily for the information of the consumer to enable optimum use of the product. This standard applies to heavy duty wallcoverings supplied in rolls for hanging on walls and ceilings by means of an adhesive covering the whole of the interface between the wallcovering and the support and that are not intended to be decorated after hanging. Excluded from this standard are rigid materials, materials not attached or not wholly attached by adhesive, wallcoverings for subsequent decoration, textile wallcoverings and non-decorative wallcoverings such as wall linings or those with special properties, e.g. thermal or acoustic insulation.