RAVATHERM XPS is swimming at the World Championship

Dagály Swimming Arena was built in record time, and the landscaping is already underway so that it will be completely ready for the Aquatic World Championships in July. But let’s not rush ahead, let’s see why thermal insulation of the roof is important for a building of this caliber and how it all happens.

Our swimming champions have already taken possession of the central building of the 2017 Budapest Aquatic World Championships. The complex, now named Duna Aréna, was completed by the end of February, and the landscaping around it is currently underway so that it can show its best face to the competitors and visitors waiting for the World Championship.

The building is currently the largest sports investment in Hungary, with 15 competition pool-sized concrete, 1 Liberty Bridge-sized steel and 2 Chain Bridge-sized steel installed in the past period. Its floor area is 28,000 square meters and it is 50 meters high – about the same size as 10 10-story apartment buildings. During the laying of the foundation, 120,000 cubic meters of earth were moved, and the building is supported by approximately 2,400 13-meter-deep piles, weighing 16 tons each. The Swimming Arena consists of two facilities, one approx. From a basic building with a capacity of 6,000 people and a temporary facility built for the 2017 FINA World Championships.

The construction was determined by environmental awareness and sustainability, most of the building will be demolished after the Olympics, and the construction materials will be recycled. RAVATHERM XPS 300 SL closed-cell polystyrene thermal insulation with a total thickness of 24 cm was added to the reinforced concrete slab roof of the main building of the Duna Aréna in 2 layers. In addition, our thermal insulation was also used for the external thermal insulation of the underground parts of the building and the design of the indoor pools. RAVATHERM XPS with a compressive strength of 300 kPa, in addition to its excellent thermal insulation, withstands high stress for several generations, withstands moisture, provides mechanical protection and also protects against the scorching rays of the sun.

The slab above the entrance reception hall is also the entrance terrace of the level above it, which is also exposed to high traffic and demand. Since there is a heated space under the terrace, adequate thermal protection had to be provided in accordance with the regulations. Here too, the designers chose the reverse layered flat roof design, because this layering ensures the proper functioning of roofs with such complex demands. The heat storage capacity of the reinforced concrete slab structure and slope formation is high, and the waterproofing installed on the warm side does not cause condensation problems in the structure.

The thermal insulation ensures sufficiently high heat conduction resistance – in the case of 24 cm RAVATHERM XPS, this is 6.80 m2K/W, which is sufficient to achieve U values ​​below 0.14 W/m2K in the field, without taking into account thermal bridges along the lines – and also provides mechanical protection for the waterproofing.
During the installation, the contractors professionally installed the water-repelling film recommended for two layers of thermal insulation, between the thermal insulation and the gravel bed of the concrete walking surface. The load capacity of the thermal insulation is sufficient so that the machines used for the maintenance of the terrace can move freely on its surface, i.e. neither sweeping nor winter snow removal and anti-slipping cause problems for the operator of the building.

We are glad that with our RAVATHERM XPS products we could contribute to the creation of the thermal envelope of the building serving as the main venue of the World Swimming Championships, and at the same time to the creation of an environmentally friendly building complex.

source: market.hu, fina-budapest2017.com, ravagobuildingsolutions.com