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NETLINER® is a high-performing geodrain composite, which is designed and built with an HDPE geonet covered with a filter fibre layer on one side and impermeable geomembrane on the other.

NETLINER® provides excellent draining, separation, filtration, and containment capabilities in various applications. Due to its flexible design, this geodrain composite is available in custom sizes and specs to fit your unique project needs

Thickness at 2 kPa 4.0 – 7.0 mm
In-plane water flow capacity, X =20 kPa, Soft/Rigid contact Gradient (i = 1.0) ~1.60 l/(m.s) Gradient (i = 0.1) ~0.30 l/(m.s)
Roll width 2.0 to 4.0 m
Roll length 25, 50 and 100 m
Roll weight (min – max) 70 – 540 kg

Functions of NETLINER® GEODRAIN Composite with Geomembrane

NETLINER® is built to deliver absolute separation and filtration, which also makes it highly useful for other functions, including drainage, gas venting, and containment. It is known to perform brilliantly in all these areas.

Recommended Applications

NETLINER® is the ideal choice for leachate collection in landfills. It is also strongly recommended for leakage detection in landfills, evaporation ponds, heap leach pads, and other such structures. It also works splendidly as a landfill capping system as well as for drainage under roads and highways.

Landfills can also benefit from NETLINER® for gas venting. As for drainage capabilities, the product is ideal for sports fields and other sub-surface drainage applications.

Product Benefits

NETLINER® is a much better performer for drainage than gravel drains in many ways: it lasts longer, offers higher flow capacity, and saves a lot more airspace in landfills.

NETLINER® offers impressive impact and compressive strength. It is highly effective in reducing hydraulic pressures thanks to its high discharge capacity which drains the water out of the soil completely. It provides reduced excavation and backfill, and is highly durable. It is also highly resistant to UV light and harmful chemicals, which prolongs its life even further. Additionally, the filtration it offers is effective for a wide range of soil types.


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