PM P-STANDARD GS

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PM P-STANDARD GS

Dimpled sheet

PM P-STANDARD GS is a water-storing, perforated dimpled membrane and is regarded as an ideal solution for extensive roof greening. Compared to normal dimpled membranes, PM P-STANDARD GS offers a high drainage and water storage capacity and assumes the function of a protective and water storage layer in green roofs. The 8 mm dimples have a water storage capacity of approx. 3 l/m².

The pressure resistance of approx. 200 kN/m² offers a high level of security, corresponding to a compressive strength of approx. 25 tonnes per m². The 8 mm dimpled membrane also offers a high drainage capacity.

The plant substrate can be applied directly on the dimpled membrane after laying a separate geotextile. 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. In walkable areas without vegetation, no geotextile is used. 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.

Material HDPE
Dimple height approx. 8 mm
Number of dimples 1.710 dimples/m²
Colour black
Compressive strength approx. 200 kN/m²
Water draining capacity approx. 2,25 l/s·m at 20 kPa
Water storage approx. 3,0 l/m²
Roll length 20 m or on request
Roll width 2,0 m
Air volume between the dimples approx. 5,5 l/m²
Temperature resistance –30 °C to +80 °C
Chemical properties chemical-resistant
Physiological properties safe for drinking water
Fire behaviour class E

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