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Ventilated curtain wall and raised access floor in lava stone

Ventilated curtain wall and raised access floor in lava stone


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Calietra merchandizes exclusively Etna lava stone. It selects the best quarries of lava stone and it makes use of the experience of the most important companies of processing and ceramization working between Sicily and the Emilia Romagna district of ceramic.

Calietra processes and engineeres etna lava stone for two main applications: interior design – raw as it is, ceramized glazed and customized – and building with innovative products: etna nanotech with anti-pollution and anti-bacterial capacity, etna laser with decorations made by a special engraving tecnique through light beams.

This is Calietra challenge and philosophy: to promote Made in Italy, Sicily and Etna through international partners, research and innovation, respect of the environment and traditions.

Foster + Partners, one of the most prestigious and innovative practices in the world, has choosen Calietra products.

The integration of Calietra lava stone in the catalogue materials library to be proposed in the customer projects, represents a further confirmation for Calietra about the quality of its products.

Foster + Partners, with over 10 offices around the world (London, Madrid, Sao Paulo, New York, Shanghai, Hong Kong, Singapore, Abu Dhabi …) is one of the most influential architectural and integrated design firms, pioneer for more than 40 years of sustainable approach for urban projects, public infrastructures, airports, civil and cultural buildings, workplace, product design. Since its inception in 1967,the atelier has received more than 620 awards for excellence and has won over 100 national and international competitions.

For Calietra this is a big international business opportunity that confirms the excellence of its raw material, lava stone, in line perfectly with the sustainable philosophy of Foster + Partners.

Calietra combines tradition and semplicity of lava stone with its focus on innovation and research.

The company developed and presented at ecobuild, the most important exhibition of sustainable, two great technologies applied to raw materials. 


The outcome of R&D activity from Calietra, in cooperation with Colorobbia and it’s Ce.Ri.Col. Research center, for titanium dioxide – tio2 – nanotechnology treatment. Using in heat-treatment the titanium dioxide (tio2) on lavic stone, we fix nanoparticles on lavic surface. In this way the lavic stone obtein from tio2 these three chemical features:

  • 1) being the tio2 a photocatalytic, that means it activates with sunshine, the lavic stone obtein idrophyle features, that means that water on touching of these titanium spheres doesn’t match with surface but slip on it creating an auto-cleaning effect.
  • 2) activated, titanium dioxide develop anti-bacterial functions, so the lavic stone could be used also in sterile spaces (ex: floor, hospital lane). 
  • 3) with the photocatalytic process activation, the tio2 could tear down the nox (chemical composition usually named as “smog”) in the air. The lavic stone obtain an environmental cleanup feature, really important, for example, to cover a palace in an high pollution city. 


Natural lava stone made by Etna, engraved with laser technology: it is possible to have any decor on the stone, maintaining the natural look and feel, and all the technical features. Etna laser is the outcome of r&d activity from Calietra, in cooperation with ot-las, part of the el.En. Spa group.

  • Ventilated curtain wall and raised access floor in lava stone

    Ventilated curtain wall and raised access floor in lava stone

    Catania - Modena - Venice
    Bar/Restaurants, Houses, Malls, Real Estate
    Construction, Furnishing
    Commercial furnishing, External and facade walls, External and facade walls, Floor and wall treatments, Floor coverings, Interior designer, Internal division, Urban and road furnishings, Urban and road furnishings