Nonwoven Environmental Grade

Nonwoven needle-punched geotextiles Environmental Grade are used in critical subsurface drainage applications or where a specific mass is required to meet protection criteria for geomembrane.

    Features

    • A continuous felt mat of polypropylene fibres
    • Consistent filtration properties
    • Consistent water flow properties
    • Provide low-cost protection for geomembranes

    Applications

    • Prevent the loss of soil fines when wrapped around drains
    • High permittivity - Allows high water flow rates
    • Higher Puncture and Tear values than commodity grade materials
    • Used as a protective cushion for geomembranes
    Nonwoven Environmental Grade Specifications

Product Description

Needle-punched nonwoven geotextiles are made from polypropylene fibres that are tangled together in a needle-punching process. The fibres may be made in continuous or short lengths and achieve their strength by interlocking. Needle-punched nonwoven geotextiles have excellent water flow rates and are used for filtration of soil fines. Needle-punched nonwoven geotextiles have been used in drainage applications, including trench drains (aka frenchdrains). It can also be used for wrapping a perforated pipe, erosion protection, landfill leachate collection systems and combined with three-dimensional structures to create gas collection and venting systems. They are also commonly used with geomembranes to provide a protective cushion. Needle-punched nonwoven primary functions: filtration; separation; protection; drainage.

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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.

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