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Water retention within a pavement layer is the primary cause of pavement failure. Without adequate underlying drainage, a pavement section is likely to fail prematurely. When an open-graded aggregate base layer is specified, there can be concerns with erosion and chemical leaching that bring its effectiveness into question.
The RoaDrain System is the engineered solution that consists of a synthetic subsurface drainage layer providing a flow rate up to five times greater than a typical open-graded base layer. The product features durable, nonwoven geotextile filters that are laminated to the top and bottom of a triplanar geonet core. The result is a sub-surface drainage layer that maintains a flow void and out performs open-graded base layers in the functions of drainage, longevity, ease of installation and cost.
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With 38 years' experience in the geosynthetics industry and a long-standing commitment to the environment, our highly qualified staff can assess your needs and work with you to determine the best solution for the challenge you're facing.
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