Choosing the material for the design of garden paths and local area, you should take into account not only its decorative abilities, but also durability and practicality.
Tiles can have different shapes, sizes, colors, thicknesses and structures, but it must have high strength and resistance to external aggressive environments. Such properties are characterized by modern polymer sand paving tiles. This material is almost new, but it has already managed to prove itself well.
Production technologies and choice of raw materials
The composition of polymer sand paving tiles includes only three components:
- Sand (about 75%);
- High-pressure propylene or propylene;
- Dyes of inorganic origin.
The texture and strength of the material depend on the quality of the raw materials used. In the production process, special attention is paid primarily to the quality of sand. Before use, it is well washed, sieved and calcined at high temperatures. The size of the particles is very important, therefore, sand of medium size is chosen.
After thoroughly mixing all the ingredients to a homogeneous texture and color, the mixture is sent to a special extruder, where it is once again mixed and melted. Then the mixture is sent under the press and plates of the desired size and shape are formed from it.
Such a tile can withstand a temperature drop down to -70 ° C while it does not crack and does not crack unlike polymer sand concrete paving tiles.
Characteristics and properties of the material
Polymer sand sidewalk tiles have the following characteristics and advantages:
- high level of wear resistance and strength;
- water resistance (moisture does not penetrate inside, but accumulates on the surface in the form of droplets);
- resistance to chemical aggressive media;
- light weight;
- withstand impressive low temperatures;
- ease of installation;
- a variety of shapes, sizes and colors of fractions.
But it should be remembered that the material can expand under the influence of high temperatures, so the laying of polymer sandwich paving tiles are done taking into account the necessary gaps.
Secrets of installation
The characteristics of polymer sand tiles allow to use it both in urban conditions and for the arrangement of a summer residence. Preparatory work begins with the basis on which the laying technology will depend. It can be of two types: sandy or gravel.
Laying on the basis of sand is carried out in a similar way:
- From the territory where the tiling will be laid, the upper sphere of the soil (15-20 cm) is removed.
- Then the base is leveled and tamped taking into account the slope.
- On the edges are made special curbs, which wake up a layer of sand in 5cm, spilled water and also tamped.
- Curb marking is carried out, then installation of curb stones follows.
- A layer of geotextile with an overlap of 15-20 cm is superimposed on the prepared compacted soil.
- From above, on a layer of geotextile, a layer of sand is poured, then it is spilled by water, compacted and leveled. There are several layers of this kind.
- Further, the tiles are laid with a gap of 3-5 mm and aligned using a rubber hammer.
- The seams are filled with sand after laying.
Laying on gravel base provides for the implementation of the first 4 points, and then the area is filled with crushed stone and compacted. Crushed stone is poured with a concrete screed at 5-10 cm. The tiles are laid on a special glue or concrete mixture (2-3 cm layer), the seams are filled with sand or a dry mixture of concrete and sand. After complete drying, they should be wiped with a stiff brush.
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