The concrete tiles for more typical exteriors they are produced with cement mortar only; therefore they have a light gray color and can be used to create a compact and rather sad looking coating. On the market we find conglomerate tiles, consisting of mortar, mixed with sand or gravel, or with small pebbles: the result is much more pleasant, and the coating retains its qualities of high resistance to wear and weather.
Exist concrete tiles which contain marble powders or other precious materials, which in addition to proving to be more resistant than mortar-only tiles, also have a decidedly more pleasant aesthetic appearance. Many companies that produce concrete tiles use the same material to shape planters, vases, fountains, drinking troughs; in this way it is possible to brighten the paths with matching furnishing accessories, which have the same material and the same color.
The laying of the concrete tiles can be done as a cover for an existing roof; proceed simply by rolling the surface to be covered with a bubble, and using special glues, or mortar, to fix the tiles.
Since these are large tiles, it is important to finish them one by one, in order to keep them well perpendicular to the ground, thus avoiding the formation of hollows and bumps. If desired, it is also possible to place the concrete flooring directly on a layer of gravel, with the help of special plastic stops, which allow the tiles to be kept in position over the years. Generally these tiles are treated with anti-moss and anti-mold agents; but over the years they can tend to get dirty or be affected by weeds or mosses, especially along the joints. Regular cleaning of the joints and the surface, using a scraper or a jet of pressurized water, makes the floor as good as new.
In recent years, concrete tiles are going into disuse, supplanted by stamped concrete floors; in essence, these coatings are prepared by making a cast of cement for outdoor use, on which, before it hardens, special molds are pressed, which allow the desired shape to be impressed on the underlying concrete.
The result is reminiscent of a common pavement, with the subdivisions in tiles, except that it is only a design, under which there is a single concrete slab. The base material is then treated, so that it resists frost and bad weather. Pigments or even powders of precious and resistant material can be mixed with the mortar, in order to simulate marble, porphyry, various stones, but using a basic material poor and very versatile. Thanks to the stamped concrete, you can say goodbye to the maintenance of the external floor, because the weeds cannot pierce the thick layer of material; moreover you can prepare sinuous paths and particular shapes, without having to cut and waste the covering material.
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