SURFASDRAIN 20 Garden

SURFASDRAIN 20 Garden is a high-density polyethene (HDPE) membrane specifically designed for roof-gardens, the membrane has 20mm dimples that act as a water reservoir and 8mm perforations that allow excess water to filter away.

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How does SURFASDRAIN 20 Garden work:
The 20mm dimples on the drainage board retains the rainwater, this acts as a reservoir for the vegetation of the green roof, whilst the strategically located perforations in the membrane allows surplus water to filter away, preventing ponding of water on the roof.
How do I prepare the surface before applying SURFASDRAIN 20 Garden:
The complete surface of the roof should be fully waterproofed using Maxseal Flex.

Key Features & Benefits

  • High density polyethylene (HDPE)
  • 20mm dimples retain water that act as a reservoir for the vegetation
  • 8mm overflow perforations
  • Easy to install
  • Root and Root resistant
  • Withstands root penetration when overlaps are sealed with Overseal Tap
  • SGS Quality Management System according to ISO:9001

Specification Tip for Design Professionals:
SURFASDRAIN 20 Garden may be specified by name or by using the following description: a high-density polyethene (HDPE) specifically designed membrane for roof gardens. membrane with 20mm dimples that act as a water reservoir and perforations that allow excess water to filter away.

Test Results:

  • Quality System in accordance with ISO:9001

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We hope that you are all keeping safe and well.

We would just like to confirm that that we are open for business to support emergencies or ‘essential’ sites with structural waterproofing & construction products, services, and technical support during the current Level 5 restrictions.

We have both COVID compliant and remote working systems in place in order to provide our customers with an uninterrupted service.

Just call us on 01-8321005 or email [email protected] for help.

Your SURFASOLOGY Team