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The external insulation techniques for buildings include the multilayered interposed ventilation system, commonly known as the  “Ventilated Facade".
This system is made up of a series of functional layers that provide performances, so as to comply with specific requirements.
The functional layers of the Ventilated Facade are:

1. support wall layer
2. insulation layer
3. ventilation layer
4. load-bearing structure
5. external finishing layer (or facing)




Facade layers


Choosing a Ventilated Facade calls for a good knowledge of the characteristics of each functional layer and an evaluation of some of their aspects and requirements.
Just as load-bearing structures adapt to suit the forms and functions of a building, our Ventilated Facade systems are planned and calculated on the basis of the aesthetic and functional requirements of the architectural project.

The growing demand by designers for the use of different cladding materials in the planning and renovation of buildings, has led us to design systems and structures that differ from each other in the type of external face they use.
We can break them down into two main groups:

Ø  "lightweight" finishes
    • porcelain stoneware tile
    • laminated metal
    • fibrocement
    • HPL melamine

Ø  "heavy" finishes 
    • natural stones

A ventilated facade project is created according to the following process:

• examining the projects and/or architectural construction concept
• determining the materials that make up the wall face that needs to be covered
• cladding selection
• determining the type of structure most suitable for the selected cladding
• determining a general structural layout and appraising costs
• preparing working drawings

One of the most important planning choices for the final result of the facade’s design is opting for a “visible” or “hidden” fastening system.
Choosing between one of the two options involves considering several elements;
• The most suitable technological adaptation
• Choosing between the use of visible clips  or hiding the fastening system with the facade’s design
• The modularity itself of the facade’s design, since the “visible” fastening system mainly allows (in the interest of economy) for aligned joints, while the “disappearing” fastening system allows even for split-level joints without restrictions.

Aliva can either draw up its own executive drawings or carry out the planner’s designs, cooperating in the aesthetic, technical and financial restraints of the wall system.

 
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