Geo-Net and Geocomposite Drains

Geo-Nets are used to provide lateral transmission of fluid in many applications. Geo-Nets provide drainage layers in multiple lining systems.


    • High water flow under substantial loads
    • Equivalent to about 12" (300 mm) of sand drain
    • Ideal for drainage on slopes


    • As drainage layer in a multi-liner system
    • Used as drain layers in landfills and ponds
    • For drainage in landfill cap applications
    • Good for gas vents under ponds
    • Drainage in dam cores
    Geo-Net and Geocomposite Drains Specifications

Product Description


Geo-Net, also called drainage net, is a cost effective alternative to aggregate drains in containment systems. Geo-Nets take up less space than aggregate drains and can help to maximize volume in landfills and surface impoundments. Geo-Nets are commonly used between two geomembrane liners as part of a leak detection system. When placing Geo-Nets with geotextiles it is often effective to have the geotextile bonded to the Geo-Net in the factory. Geocomposites usually have a geotextile bonded to one, or to both sides of a Geo-Net. This creates a drainage structure that can be used between layers of geomembranes, and in many other unusual situations. The geotextile layers prevent the movement of soil fines into the Geo-Net drainage path that could lead to clogging and drainage failure.


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About Construction Products

Layfield Construction Products supplies geosynthetics and industrial fabrics products. We offer supply-only products for many different industries across North America and internationally. We are leaders in the supply of geosynthetics servicing large customers, moving over 800 truckloads a year. Layfield Construction Products is also one of the largest distributors of geotextiles, moving over 100 million square feet a year. We also specialize in the supply of polyethylene film and industrial fabrics products.

Latest News

Layfield Awarded U.S. Distribution Rights For E’GRID Biaxial Geogrids

October 3, 2014

San Diego, Calif., September 16, 2014 – Layfield Construction Products, a business unit of Layfield Group Ltd., has been awarded the rights to distribute E’GRID® Biaxial Geogrids in the United States, reinforcing the company’s position as a leading provider of polypropylene geogrids for use in road-building applications. 

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