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_PM DRAIN-TEC Surface drainage

PM DRAIN-TEC Surface drainage

LOGO_PM DRAIN-TEC Surface drainage

PM DRAIN-TEC Surface drainage

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PM DRAIN-TEC is an effective protection and drainage system and the universal solution for both horizontal and vertical surface drainage on all pressure-resistant surfaces. PM DRAIN-TEC consists of a dimpled membrane and a sturdy geotextile. The smooth back side allows for a uniform and extensive load distribution on the sealing.

This double-layer system protects the waterproofing below it from me­chanical damage and damaging thermal stresses. PM DRAIN-TEC has a compressive strength of 400 kN/m2. The drainage membrane is available in many different length and width variations. The excel­lent water draining capacity is multiple times higher than required by drainage standard DIN 4095.

PM DRAIN-TEC protects earth-covered roofs of underground car parks, patios, green flat roofs and the outer walls of basements against waterlogging. The moisture pene­trates the geotextile and enters the ducts of the dimpled membrane, where it is securely drained. In the process, the geotextile acts as a filter and prevents the ducts from getting clogged up. The optimal high-performance geotextile boasts very high initial strength and is subject to only minimum deformation under increasing working load.

For inverted roofs: also available as perforated variant.

PM DRAIN-TEC is also a quiet whispering sheet underneath the drainage membranes, because the tested impact sound reduction, in accordance with DIN EN ISO 10140, is up to ΔLw = 27 dB for non-insulated flat roof structures.


As a sustainable drainage sheet variant of PMI-Plast, PM DRAIN-TEC-ECOnopp® has been developed has the same characteristics and properties as PM DRAIN-TEC, but differs in its production. It is produced proportionally from recycled plastics, so-called regranulates ("post-industrial/post-consumer granulate"). In this way, you as a user make an effective contribution to the topic of "climate protection" without having to forego consistent quality and specific product properties.

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