Leading International Trade Fair for Urban Green and Open Spaces.

14 - 17 September 2022 // Nuremberg, Germany

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Exhibitors & Products GaLaBau 2022
Zoom Image LOGO_PM P-20-GEOTEX green roof membrane

PM P-20-GEOTEX green roof membrane

LOGO_PM P-20-GEOTEX green roof membrane

PM P-20-GEOTEX green roof membrane

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PM P-20-GEOTEX is a water-storing drainage membrane and is re­garded as an ideal solution for extensive and intensive roof greening.

Compared to normal dimpled membranes, PM P-20-GEOTEX offers many times the drainage and water storage capacity and assumes the function of a protective, filter, seepage and water storage layer in green roofs. The 20 mm dimples have a water storage capacity of approx. 6 l/m². The pressure resistance of approx. 180 kN/m² offers a high level of security, corresponding to a compressive strength of approx. 18 tonnes per m².

The 20 mm dimpled membrane also offers a unusually high drainage capacity of i = 1.00; approx. 9.0 l/(s·m).

It can therefore also be used for very large drainage lengths and/or very low roof slopes. The plant substrate can be applied directly as the geotextile is already integrated. This saves an additional work step. Thanks to the perforation, the water-storing drainage membrane is permeable and can also be used for inverted roofs. This prevents a film of water from forming on the inverted roof insulation. The geo­textile should be removed from walkable areas without vegetation. The base layer and the bedding material can then be applied directly on the dimpled membrane without changing the material, and then the pavement or slab covering can be laid on top of it.

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