The design phase is an essential step in the creation of a correctly tiled surface. The tiling must be designed and specified in order to meet essential requirements.
Regularity and harmony (the surface must not have bumps or dimples). Completeness (there must be no detached pieces or breaks). Durability(the ability to withstand the challenge of time). Safety (avoiding injury to the user). This design phase is based on an interconnecting examination of the properties of the tiles, the area of intended use and the characteristics of the background to be tiled. On the basis of the above, the designer will be able to establish the laying technique to adopt (using cement mortar or adhesives), any additional treatments to carry out on the background, as well as the width, layout and direction of the joints. The execution of the joints requires particular care; the aesthetic, technical and economic value of a tiled surface also depends on this, thus nothing can be left to chance: it is also important to establish the type of filling material to use. Finally, the movement joints are fundamental for the reliability and durability of the laying. |  | | 
 | Project and laying techniques
Specifications and sizing of a tiled surface | 
 | Grout joints
Materials, path, location, dimensions |
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