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Nowadays, many sewer drainage systems are covered by protective structures (concrete screens, resins, topsoil...) either to protect their waterproofing or to get a better integration into the environment. Actually, waterproofing, which is often sensitive to mechanical stresses and to UV, needs to be covered to avoid these risks of degradation and nowadays landscaped incorporation is an integral part of new markets. However, some systems and especially topsoil have no strength so sliding is identified on the ponds slopes and even subsidence in case of car traffic. Moreover, they have no resistance to shocks which could cause tears of the waterproofing. With its expertise and its willingness to innovate, Eurovia developed an open graded asphalt concrete which mainly allows to protect waterproofing while naturally fitting into the landscape: Viaroc®.

Press release Viaroc®

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