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Simple Intensive Green Roofs

WE 40 -The Water-Storing Solution

Our WE 40 water-storing system for intensive green roofs

Planting: Bushes, grass, herbs, perennials, sedum

Growing medium: Intensive substrate Hydrotop-I, application height 12 cm

Filter layer: Quality fleece PP 150 g/m², GRK 3

Drainage and water storage board: WE 40

Protection layer: Geotextile Standard PP/PES 300 g/m²

With our WE 40 system  - The Water-Storing Solution - you can realise intensive green roofs with a higher variety of plants like perennials and bushes. Our WE 40 provides a water storage capacity of 19.59 litres/m². When filled in with pressure-resistant material WE 40 also works as drainage under paths and patios.

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We are member of

BuGG - Bundesverband GebäudeGrün e.V.

FLL - Forschungsgesellschaft Landschaftsentwicklung Landschaftsbau e.V.

Fachvereinigung Betriebs- und Regenwassernutzung e.V.

BuGG - Bundesverband GebäudeGrün e.V.


We are partner of

Partner des Verbandes Garten-, Landschafts- und Sportplatzbau Rheinland-Pfalz und Saarland e.V.

Partner des LICHT design Shops