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Drainage Board

Plastic drainage boards for subsurface water management and green roofs.

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Manufacturing Process

  • HDPE dimple cores formed by vacuum thermoforming or extrusion.
  • Non-woven filter fabric laminated on one or both sides.
  • Compression and flow capacity tested per project spec.

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  • Basement and tunnel waterproofing drainage
  • Green roof and planter box drainage
  • Landfill leachate collection layers
  • Sports field and golf course sub-drainage

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Geomax Materials Co., Ltd.
Geomax Materials Co., Ltd.

Leading manufacturer of HDPE geomembrane and geotextile with 20 years export exp...

4.80

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  1. Install on prepared waterproofing or compacted base.
  2. Butt joints with tape or geotextile overlap to prevent soil intrusion.
  3. Connect to collector pipes at designated outlets.
  4. Protect dimples during backfill; avoid puncture from sharp aggregate.
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