gardening. landscaping. greendesign.

12 - 15 September 2018 // Nuremberg, Germany

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Exhibitors & Products GaLaBau 2016
Zoom product LOGO_Hydrorock®




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Environmentally friendly drainage and infiltration

Hydrorock® infiltration blocks buffer and drain surface- and rainwater in an environmentally friendly way with a capacity of as much as 94% of its volume. The blocks are made of a 100% natural material: rock wool. Melted rock that has been spun into fibres and subsequently shaped into a block, wrapped in a membrane of erosion-resistant filter cloth. A Hydrorock® block has a very large net volume for optimal drainage, infiltration and storage capacity. One block with a volume of 360 litre can buffer as much as 340 litre of water for drainage- or infiltration purposes. The blocks can be attached easily. Dependent on the installation direction the blocks are treadable and rideable up to 2000 kg per m2

An efficient drainage and buffering system

When positioned horizontally, the fibre structure of the Hydrorock® blocks provides an excellent drainage. Vertical positioning of the Hydrorock® blocks on the other hand, allows for buffering and gradual release to the surrounding soil. The wrapping of the filter cloth, that functions as a membrane, plays an important role in this process. A top layer of app. 20-30 cm of Hydrosoil® enhances the effectiveness of the infiltration blocks. The infiltration blocks are available in different sizes with buffer capacities varying from 34 up to 340 litre. The load bearing capacity is up to 2.000 kg per m2.

Easy installation

Hydrorock® is available in slim blocks of different sizes. For separating rainwater or the prevention of flooding by drainage and infiltration only small trenches need to be dug. This not only reduces the amount of digging activities but also limits the impact on the environment and the costs for the removal of the surplus soil. The blocks can be easily attached together and thus they form the right size of rainwater buffer that is suitable for the desired capacity and situation.

Protect your possessions and the environment

Hydrorock® is the ideal solution for the separation of rainwater. By connecting Hydrorock® blocks to the rainwater discharge the rainwater is buffered on-site and infiltrated into the soil. Hydrorock® protects the surrounding grounds and buildings against flooding and water damage by absorbing the excess water effectively. By returning clean rainwater to the soil, Hydrorock® offers a considerably more efficient way to keep our water clean, drinkable and free from pollution.


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