News-Ventilated façades-thermal insulation and noise reduction-Vives Azulejos y Gres.
The ventilated façades are a building solution that is becoming more and more extended thanks to its high quality and aesthetical characteristics. It presents several advantages as for example thermal insulation and noise reduction.
The use of a second skin façade creates a protection against atmospheric agents, as the wind, the sun, the rain, the snow, etc. This results in less wear on the façade and lower maintenance costs.
Vives Azulejos y Gres presents as suitable for ventilated façades its big size porcelain ranges in 45×90, 60×90 and 60×120.
A ventilated façade is a wall covering system that incorporates a ventilated cavity between the covering and the insulation. It is considered the most efficient system for insulating buildings as it eliminates unwanted heat bridges and condensation problems, resulting in excellent thermal-hygrometric behaviour.
Components of the system:
– Vertical profile attached to the support by cantilever fastenings.
– Mechanical holding clips.
– Wall panels.
In order to offer solutions for ventilated façades, Vives Azulejos y Gres works in collaboration with Mecanofas, which is a company that has been dedicated to the commercialisation and assembly of ventilated façades for more than ten years. The manager of this company is Carlos Sanchís, the real pioneer in the introduction of the ventilated façades and the main responsible in the Karrat S-7 fastening system promotion. Carlos has also been awarded with the Alfa de Oro, which is a prize presented in the most important fair in the ceramic sector: Cevisama.
Ceramics has become one of the main options when creating a second skin façade. It provides the building with a sophisticated and elegant image contributing to create more elegant and distinguished urban spaces.
Vives Azulejos y Gres ranges include some series, which, thanks to its size and resistance to bad weather conditions, are suitable for this type of use. Some of the most suitable sizes are: 45 x 90, 60 x 90 and 60 x 120.
In size 45×90 we can find series as KENION, y CARONTE. Both of them are elegant and frost resistant porcelain tiles.
On the other hand, we have the porcelain series HIDRA y LOIRE. HIDRA and LOIRE in size 60×90. HIDRA series has a high PEI so this is a very resistant tile front abrasion and erosion, as well as frost and slip resistant. LOIRE series presents a look that simulates the stone looking. Finally, the CONDOR series in 60×120 is a frost resistant and rectified porcelain tile with an elegant finish.
VIVES – Is becoming more common the use of ceramic in ventilated façades?
Carlos Sanchís – After several years of effort, nowadays the ceramic ventilated façades have been consolidated.
VIVES – Are the advantages of using this material in ventilated façades well known?
C.S. – There are some independent works by companies from this sector that have made a comparison between ceramic as floor tile and other alternative materials such as marble, limestone, granite, etc. In façades the range is wider, including materials as prefabricated concrete, plywood sheets, aluminium panels, etc. Moreover, there are needed essays to check the resistance front atmospheric factors and ultraviolet rays.
VIVES – Which system or ceramic size would you use considering safety, economy, etc.?
C.S. – The most suitable size for the visible or hidden clip system is the 45×90. The 60×120 and the 60×90 are the most recommended for the back fastening system, even though a horizontal substructure is needed.
VIVES – How does the ventilated façade system contribute to a sustainable construction of both new and renovated buildings?
C.S. – In general, ventilated façades provide the building with an excellent resistance front humidity and temperature, independently of the used material. Moreover, the ceramic ventilated façades, thanks to its lightness, allows the renovation of existing buildings, giving them a modern and durable looking.
VIVES – Which innovations can be presented in a ceramic ventilated façade construction?
C.S. – The innovations in ventilated façades take two clearly defined ways. The first of them is the research and development of chemical fastening system, considering that nowadays the ceramic tiles are becoming thinner which makes difficult the use of a mechanical fastening system. On the other hand, the second line is based in the additional characteristics such as the photovoltaic integration, protection against electromagnetic waves, etc.
VIVES – Which are the main characteristics of your ventilated façades system?
C.S. – Our fastening systems are basically characterised by their safety and fast installation, as well as the wide range of systems that we offer, which are adaptable to different tile sizes and thickness in order to optimize costs.
VIVES – Which are the stages to follow in a ventilated façade project?
C.S. – Basically the redesigning, the installation of cantilever fastenings and fastening edges, the vertical profiles installation, the isolation, the installation of horizontal profiles, if they are needed, and finally, the collocation of the porcelain tile.
VIVES – Which determining factors do we have to consider in a ventilated façade performance?
C.S. – Usually, the ventilated façades are only tested front wind conditions, event though the ventilated façade is also subjected to horizontal efforts, due to the wind, and to vertical efforts, due to its own weight. Regarding buildings, we have to add three factors: to study the state of the supports where we will fix the cantilever fastenings; to verify the overweight that is going to be added to the building, in the case of renovations; and finally, to confirm the forged edges setback. These forged edges project around 10 cm. from the façade. If the building does not have these setbacks, the forged edges will project more than the legal limits.
VIVES – How does DIT contribute to the collocation of a ventilated façade system?
Basically, safety. There are two kind of organisms that certify its proficiency in a building system, these are Instituto de Construcción Eduardo Torroja and Instituto de Tecnología de Cataluña (ITEC). The first of them certifies by way of the DIT: Technical Suitability Document, and the second through the DAU: Use Adequacy Document. Obtaining these documents is voluntary and what it is described on them is that the system itself will fulfil properly the requirements if it is applied according to the document. The lack of normative in this field is the reason why these documents exist. In case there was a normative, we should apply it and these documents would not have any validity.
Vives Azulejos y Gres, S.A. Ctra.
Castellón Km. 23 · Apdo. correos,
14 · 12110 Alcora (Castellón – Spain)
· Tel.: (+34) 964 36 07 25
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