The cladding operation is carried out by covering the built surfaces with boards made of natural or synthetic materials with the help of mortar and aims to protect, increase resistance, improve the degree of comfort and the appearance of the surfaces.

The tiler repairs the damaged supports, identifies the appropriate materials, tools and devices necessary for the execution of the tiling operations, makes flat and vertical tiling, repairs the reported defects, correctly uses the specialized technical terms and applies the work safety technical norms, as well as the prevention and extinguishing fires.

The necessary knowledge of the tile mosaic refers to the recipes for the preparation of mortars, the structure of the surfaces, the types of construction materials, the types of deficiencies, the physico-chemical characteristics of the materials they work with.