INSTALLATION SYSTEMS - TECHNICAL SECTION

INSTALLATION SYSTEMS

INSTALLATION SYSTEMS - TECHNICAL SECTION

INSTALLATION SYSTEMS

The choice of the appropriate installation system for the construction of a natural stone PAVING or COVERING must take into consideration several aspects, such as:

  • dimensions of the foundation: each method requires a minimum and maximum thickness to be correctly executed, therefore the useful installation thickness values determine the choice of the method;
  • lithotype used : the installation method can be determined by the physical-mechanical characteristics of the stone used (if hygroscopic materials are used, for example, mortar should be avoided);
  • thickness of the lithotype and relative tolerances: with thickness values greater than 2 cm it is preferable to use one of the mortar methods; with thickness less than 2 cm, especially in the case of minimum dimensional tolerances, excellent results are obtained using adhesives;
  • type of use: if the finishing layer has to bear the load of moving vehicles, the degree of adhesion between the stone and the underlying layer must be maximum and uniform over the entire surface;
  • execution times: construction site times can sometimes determine the choice of a method rather than another if, for example, reduced times must pass between the execution and the operational use of the surfaces , in this case it is preferable to perform the installation with adhesives;
  • quality level and labour experience level.

Among the TRADITIONAL INSTALLATION SYSTEMS there are five main installation methods grouped into two categories according to the execution times, specifically:

WET INSTALLATION
it allows to install in a single execution both the bedding layer and the stone finishing layer


Installation methods for pavings:
1. cement-lime mortar
2. mortar with cement spraying
3. semi-dry mortar with cement grout

Installation methods for coverings:
4. filling and anchoring clamps

ADHESIVE INSTALLATION
It requires the preliminary execution of a screed and after its drying it requires a bedding layer and stone finishing


Installation methods for pavings and walls:
5. adhesives

Among the recently used ALTERNATIVE INSTALLATION SYSTEMS two widespread installation methods are identified for:
6. raised floors
7. ventilated walls
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