Dimpled Drainage Board - Geosynthetics | Geomembrane ...
Dimpled drainage board with geotextile, also called sheet drain, is manufactured from high density polyethylene heat bonded to polyester or polypropylene nonwoven geotextile fabric available in one single configuration. It is an air-gap membrane with a geotextile cloth on one side which provides a drainage path with the function of drainage and filtration.
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