Leading International Trade Fair for Urban Green and Open Spaces.

11 - 14 September 2024 // Nuremberg, Germany

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Exhibitors & Products GaLaBau 2022
Zoom Image LOGO_Optigrün Meander Retention Roof

Optigrün Meander Retention Roof

LOGO_Optigrün Meander Retention Roof

Optigrün Meander Retention Roof

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The principle behind the patented Meander system is as simple as it is effective – water flows along a winding route from one chamber to another, just like a naturally meandering river or stream. During heavy rainfall the chambers of the board are filled with water and it passes from one chamber to the next causing a long delay in the discharge of excess water. The Meander 60 board, for instance, extends the water flow length by a factor of 13. Each Meander 30 board covers two square metres yet the water flow route inside it measures up to 46 metres in length.

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