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Geomat Drainage Composite – 39 In. x 100 ft.


SKU Geomat 3811R

The Geomat Drainage Composite (Enkadrain 3811R) is a great choice for the following applications: under concrete slabs, against foundation walls, along retaining walls, along plaza decking, and for green roofs. 

The drainage geomat is made of polypropylene fiber mesh wrapped in geotextile landscape fabric on both sides. The fabric prevents dirt and material from entering, but enables water to drain through. 


  Model: 3811R

  Weight: 77 lbs

  Size: 39" wide x 100' long (27" dia.)

  Sq Ft: 325

  Material Thickness: .45 inch

 Core Material:
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  • Applications include foundation walls, green roofs, plaza decks, retaining walls, beneath slabs, earth sheltered homes
  • Excellent durability
  • Continuous flow in all directions, even under loads
  • Conforms to irregular surfaces and corners with complete and effective coverage
  • Long rolls reduce installation costs by eliminating interlocking and excessive seams 
  • Protects waterproofing during and after backfill
  • Waffle design creates open flow path – even during backfill
  • Recycled content polymer contributes towards LEED points
  • Increased flow rates over same thickness nylon and HDPE drains
  • 3” fabric overlap flap


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☏  Call: (800) 583-4891 for pricing and shipping questions.

Shipping estimates shown on the map pertain to this specific product only. Orders typically ship next day if the order is placed before 12:00 noon EST. Transit times displayed in the map are listed in business days, and are approximate. The day that the order is shipped is not counted as a transit day.