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Drainage blocks Graf

The main purpose – the removal of stormwater from industrial sites, stadiums, shopping centers and biologically treated water. Graf drainage blocks are ideal for installation in places where it is difficult to allocate additional space for drainage. These blocks can withstand a load of up to 10 tons per 1 m 2, which allows them to which can install under a parking zone, in places of departure and arrival of vehicles, used under storage areas, etc. High structural strength of the blocks allows stacking them up to each other up to 10 tiers. Thus, it is possible to increase significantly the volume of water collection, without increasing the area under the drainage. Also we use the drainage tunnels for such purposes. The main purpose – the removal of stormwater from industrial sites, stadiums, shopping centers and biologically treated water. Graf drainage blocks are ideal for installation in places where it is difficult to allocate additional space for drainage. These blocks can withstand loads of up to 10 tons per 1 m2, which allows them to be installed under a parking zone, used at storage sites, etc. under storage areas, etc. The high structural strength of the blocks allows stacking them up to 10 tiers. Thus, it is possible to increase significantly the volume of water collection, without increasing the area under the drainage. We use the drainage tunnels for such purposes. They perform the same functions as the blocks, but differ in their structural configuration.

Advantage:

  • convenient installation;
  • 1 block (15 kg) replaces 800 kg of gravel or 36 m of drainage pipe;
  • does not require pipes and pillows made of gravel and other materials;
  • at one time, the Graf unit takes 300 liters of water, which is 3 times more than standard systems;
  • installation in several (up to 10) tiers is possible, depending on the requirements and climatic conditions;

Price for drainage units:

Base – 20 Є / pcs.
Block – 55 Є / pcs.
Stubs – 15 Є / set (set of 2 pcs.).

Installation of drainage blocks

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