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The National Tile Contractors Association (NTCA) is a nonprofit trade association dedicated to the professional installation of ceramic tile and natural stone, established in 1947. [1] The NTCA aims to improve the industry through education and training, participation in the development of standards and methods.
Some states may require a written examination for a license, while others may require several years of field experience as a student or intern, or both. The requirements regarding who must be licensed may include uncommon or strange licenses; for example, four states require licensing for interior designers. [4]
Licensing: Licensing refers to situations in which it is unlawful to carry out a specified range of activities for pay without first having obtained a license. This confirms that the license holder meets prescribed standards of competence. Workers who require such licenses to practice include doctors, lawyers, nurses, civil engineers, and ...
Ceramic tiles are clay products that are formed into thin tiles and fired. Ceramic tiles are set in beds of mortar or mastic with the joints between tiles grouted. Varieties of ceramic tiles include quarry tile, porcelain, and terracotta. Many different natural stones are cut into a variety of sizes, shapes, and thicknesses for use as flooring.
Specialized cement is necessary for installation of porcelain tiles, and in the US specifications, are set by the Tile Council of America [2] and supported by the Tile Contractors Association. Porcelain, being denser and heavier than ordinary ceramic tiles, needs a stronger adhesive to hold the weight on walls.
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This is an accepted version of this page This is the latest accepted revision, reviewed on 8 December 2024. Type of manufactured floor covering This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Laminate flooring" – news · newspapers · books ...