DRAINMAX tunnel - now with DIBt certification


Elaborate rainwater infiltration for the new construction of the University of Applied Sciences in Jülich


Rainwater joins thermal water - infiltration wellness-oasis


The DRAINMAX tunnel system as an alternative for gravel trenches - infiltration with synthetic components


INTEWA DRAINMAX-tunnel - the next generation of rainwater infiltration with synthetic bodies

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The possibility to save drinking water has enhanced strongly the last years.

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A rainwater filter cleaning itself by the principle of the hydraulic jump.

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The DRAINMAX tunnel infiltration system: The only plastic trench with flushable  ground.

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The optimized water pump station for rainwater and greywater utilization in every planned construction.

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E-Mail: info@​intewa.​de

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