Draincore2 Geocomposite Drainage Layer


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Draincore2 geocomposite drainage and conveyance layer is used for advanced subsurface and greenroof applications. A replacement for antiquated French drains. Draincore2 is a high volume drainage layer capable of withstanding heavy loads in direct contact


  • Flow Rate = 42 gpm per foot width,
  • Flexible Grid
  • 92% Void for Air or Water
    Provides Insulating Air Layer
  • Heating or Cooling systems
  • High Compression Strength – 2100 psi
  • Durable HDPE plastic


This drainage core is wrapped in a geotextile fabric, which allows water to enter from any direction, with the rings placed vertically or horizontally. Water can flow between rings in either vertical or lateral directions simultaneously. Flow volumes can be matched with multiple layer configurations Draincore2 can distribute water at 42 gallons per minute per foot width, twice the conveyance rate of a pipe and gravel system.

33 46 23.19 Geosynthetic
Drainage Layers

Draincore2 is listed in the Construction Specifiers Master Spec Format predominantly in section 33 46 23.19 Geosynthetic Drainage Layers and section You may also place it in the 1995 Master Format Version in section 02622 Underdrain.



Manufactured in 1 square meter units (3.3′ x 3.3′) or quarter-meter units (1.65 feet x 1.65 feet) and assembled into rolls. Please view our Roll Chart for dimensions.


Recent Project Profiles

Grasspave2 Parking lot
Project Name: Christ Chapel Products: Draincore2 and Grasspave2 Applications: Grass parking lot with ...
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Sports field drainage at Univ. of Phoenix Stadium
Project Name: Arizona Cardinal Football Stadium Products: Draincore2 Applications: Sports field Drainage Layer City: Glendale State/Province: ...
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Boone Pickens Stadium Drainage
Project Name: Boone Pickens Stadium - OSU Products: Draincore2 Applications: Sports field Drainage Layer City: Stillwater ...
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Preliminary detail showing Draincore2 adjacent to the above ground reservoir.
Project Name: Residential Community - Private Product: Draincore2 subsurface drainage Application: Water Conveyance City: Rancho Mirage State/Province: California ...
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Draincore2 drainage layer can provide air and water transference for the healthy turf and vegetation. See our golf industry information.


Draincore2 lines the field at the University of Phoenix Stadium, home of the NFL’s Arizona Cardinals. See our sports field page.


Planter drainage is an ideal application for Draincore2. Here, Draincore2 keeps the flowers healthy at the Santa Fe Opera House in Santa Fe, NM.


A combination of Draincore2 and Grasspave2 make a beautiful green roof in Hawaii. Parking and green space are accomplished with these products. See our Green Roof information page.