Bratislava is the capital of Slovakia and, with a population of about 500,000, the country's largest city. Located in southwestern Slovakia, Bratislava occupies both banks of the River Danube and the left bank of the River Morava. Bordering Austria and Hungary, it is the only national capital that shares a frontier with two other countries.

Today, Bratislava and its surroundings form the most prosperous region in Central and Eastern Europe, with a per capita GDP of around 186% of the EU27 average and it is the fifth most prosperous region in the EU. Many of Slovakia's large businesses and financial institutions also have headquarters there. The city’s healthy economic development, which brings with it an increase in consumption and the need for a robust urban infrastructure, is triggering demand for challenging construction projects.

A perfect synthesis and functional organization of space

The multi-functional Centrál building, for example, is a unique complex connecting a shopping center with offices, a hotel, a medical center, a spa and a spacious green roof park all in one place. It was this perfect synthesis and functional organization of space that convinced the jury of the national “Building of the Year” competition to award it first prize. The 4-storey building houses a shopping center with a 3-storey underground car park, and two other high-rise buildings. There are business offices located on the higher floors and a four-star hotel on the lower one.

Oasis of calm and tranquility

On the roof of the complex is a large green public park, an oasis of calm and tranquility. The roof of the shopping center offers a 6,000 m2 natural setting and ample opportunities for an entire family to relax. Besides trees, benches and playgrounds, there is even a summer amphitheater and an outside area for the kids' corner.

Peace, fresh air and a place for families and children to enjoy some leisure time – all this is part of the added value that the Centrál site delivers. The architect and investor opted to include a swimming pool and relaxation area in the new structure as a reminder that the location had previously housed a spa and baths.

The green roof top of a shopping center

A number of different roofing systems were installed by Sika Slovakia. For the greened terraces above the shopping center, premium quality membrane Sikaplan® SGmA with an inlay of non-woven glass was used at it is resistant to root penetration. The highest roofs were waterproofed with the mechanically fastened Sikaplan®-15G system, which is designed for exposed roofs. The other non-accessible roofs are protected with a Sikaplan®-SGmA membrane covered with gravel.

What a beauty on top of the building

The underlying idea is to enhance the multi-functionality of the building with a natural haven of recreation for visitors. Green roofs can serve many purposes, offering birds and bees a refuge from the urban surroundings and providing human guests with some respite from the stresses of everyday life and a chance to admire the beautiful flowers and garden created high above the sky.

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