Optigrün water retention box WRB 170 on roofs that are used as retention areas, under extensive and intensive greening as well as traffic areas such as terraces, fire brigade access roads, car parking spaces, etc.
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With closed, load-distributing structure
For temporary and/or permanent storage of rainwater with regulated water discharge by means of a throttling system
With capillary bridges for transporting stored rainwater from the drainage level into the substrate layer and for increasing evaporation performance
High compressive strength
With freely flowable structure for rapid distribution of rainwater within the retention space
Suitable for inverted roofs (no permanent water accumulation is possible when used on inverted insulation)