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Did you know that ... Indaten® echoes the brownish shades of the landscape around the Portia Winery?

Foster + Partners' first winery project was an opportunity to look afresh at the architectural concept of a building, using the natural topography of the site to aid the winemaking process and create the optimum working conditions while reducing the building´s energy demand and visual impact.

The new winery of the Faustino Group, a 12,500 square metre facility situated in one of Spain's foremost wine producing regions, has a production capacity of one million bottles per year.

The building’s trefoil design expresses the three main stages of production: fermentation in steel vats, ageing in oak barrels and finally, ageing in bottles. These are controlled by an operational hub at the core.

The most favourable conditions for the ageing of the wine ...

The wings containing the barrels and bottle cellar are partly embedded into the ground to produce the most favourable environmental conditions for the ageing of the wine, while the fermentation wing is exposed, allowing carbon dioxide to be released.

A road rises to the roof of the building, where the harvested grapes are delivered straight into the hopper: the winery is designed to take advantage of the sloping terrain, using gravity to aid the movement of the grapes within the building, maximising efficiency and minimising damage of the grapes.

Indaten®: a magical steel, in harmonious dialogue with nature

Whereas the structure of the building is made of concrete, steel is used for the cladding: shingles of weathering steel (Indaten® by ArcelorMittal Flat Carbon Europe) on all major elevations echo the brownish shades of the surrounding landscape and thanks to its self-protective patina no maintenance is necessary.

Like a fine wine, Indaten® weathering steel is enriched by air and enhanced with age ...

Minimising the visual impact, maximising the passive environmental benefits ...

The site in the Ribera del Duero region, approximately 150 kilometres north of Madrid, has extremely cold winters, as well as hot summers with limited rainfall. The deep overhang of the roof canopy provides shade and the building is designed to regulate the internal temperatures, at the same time as reducing energy demand.

By partly embedding the building within the landscape, its visual impact is minimised and the passive environmental benefits are maximised – the roof incorporates photovoltaic cells and the thermal mass of the concrete structure helps to control interior temperatures.

Transparency & insight

At the heart of the winery a raised public gallery extends into glazed mezzanine areas, which project deep into each wing, allowing visitors to enjoy elevated views of the different processes. Between the wings is a light-filled public reception and administration area, where extensive terraces and pools of water overlook the vineyards. Lined with deep-stained old wine barrel slats, the public areas are designed to evoke the rich tradition of winemaking in the region.

One of the most innovative aspects of this winery is the design concept of a ‘transparent facility’ which allows visualising easily all winemaking processes. The building's interiors are provided with glass walls and windows which permit insight into all areas of the production process.

Ground floor: This floor is partially embedded in the landscape, each wing houses a step in the wine production process. The wing closest to the N-I highway houses the actual production process: 46 steel fermentation tanks with a capacity of 30 000 litres, 10 tanks for microvinification, (11 800 litres), 6 for refrigeration (30 000 litres) and finally 10 tanks for storage of 53 000 litres. All vats are made of stainless steel and are provided with an integrated temperature control system. The second wing gives room to the barrel warehouse, with a total of 6 000 French and American oak barrels, the bottles are stored in the third wing.

First floor: Entrance area and office spaces are located on the first floor. Furthermore, there are rooms for meetings and wine tasting, an auditorium, a shop, restaurant and a cafeteria. The central staircase permits the access to the wine producing areas on the ground floor.

Roof: Accessible to vehicles, the roof plays an important role: thanks to gravity the grapes can be introduced to the winery without further installations.

Are you interested in Indaten®?

Get in touch with your local ArcelorMittal account manager and discover this beautiful product:

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Or find out more about Indaten® via our product document centre:

Link to all information on Indaten® in our document centre

Do you want to read more case studies?

Then visit, ArcelorMittal’s steel construction website.