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Graf Ecobloc

The GRAF EcoBloc system is designed for a service life of over 50 years. The modules are very efficiently German designed for maxiumum structural capacity for material used, maximum space efficiency for shipping and storage on site, and speed and ease of installation – matched by no other system. A wide variety of configurations and burial depths are possible with EcoBloc – moreso than with other stormwater systems. The EcoBloc Modules Maxx and Inspect Flex still offer a reservoir coefficient of 97% & 96% respectively despite their high load-bearing capacity. This means that up to 14 layers of EcoBloc modules high are possible – 5 m (16.4′).


Graf EcoBloc modular water storage systems feature unlimited storage capacity, flexible design options, ease of inspection and integrated filtration shafts. EcoBloc is today’s leading solution for rainwater storage, stormwater detention and hybrid