Invisible Structures, Inc. -Draincore2 Geocomposite Drainage Layer

Draincore2 Geocomposite Drainage Layer

Category: stormwater drainage | stormwater retention

MasterFormat: Geosynthetics for Earthwork | Earthwork Methods | Stormwater Conveyance...

Invisible Structures, Inc.
1600 Jackson Street
Suite 310
Golden, CO 80401
Tel: (800) 233-1510
Fax: (800) 233-1522

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Draincore2 Geocomposite Drainage Layer

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
  • Infiltration Basin Collector
  • Conveyance
  • Cutoff Drain
  • Foundation Drainage
  • Retaining Wall Drainage
  • Roof Deck – Green Roofs
  • Planter Drainage
  • Sports Turf Drainage System
  • Golf Greens and Tees
  • Golf Bunkers – Sand Traps

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.

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