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5. Traditional pathologies
5.1 Shimmering textile floor coverings
This phenomenon, also known as moiréing or shading, is a classic of its kind. It affects the carpet's pile and gives the impression that the carpet is stained or has been stained: large halos appear on the carpet's wear layer, provoking legitimate displeasure on the part of the user. This can often be seen – and is very easy to spot – on doormats made from plant fibers.
This is in fact an optical manifestation that is the consequence of the couchant that velvet takes on when used. Light is not captured in the same way by differently oriented sunset areas. If you place a mirror on the carpet, you'll notice that dark spots on a light carpet become light on a dark background when reflected in the mirror...
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Traditional pathologies
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Standards and norms
We limit ourselves to quoting the reference documents used by the profession for the application of coatings on the one hand, and the identification of manufactured products on the other.
Some of these documents refer to other works of related professions, in particular those concerning the construction of different substrates. We have chosen to quote them here: installing a resilient floor...
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Organizations
CSTB Centre Scientifique et Technique du Bâtiment http://www.cstb.fr
UFTM French Union of Carpets and Rugs http://www.moquette-uftm.com
APICTARS Association for the Promotion of the Carpet and Floor Covering Industry...
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