This European standard specifies the minimum additional characteristics which are necessary for:
- polyvinyl chloride floor coverings in roll form according to EN ISO 10581 or EN ISO 10582 and
- polyvinyl chloride floor coverings with foam backing in roll form to EN 651
to be installed satisfactorily in special wet areas to form a watertight installation with a long life. It specifies two categories (A and B) for use on different substrates.