Drainage Boards are the single or multi-layered geosynthetic products which are often made with polypropylene PP or regenerated HDPE, some of them are covered with thermally bonded filament nonwoven geotextiles. Drainage Board products are widely used as drainage elements beneath traffic areas like frequently used pathways, car or truck usage, intensive green roofs or on vertical building components, etc. Drainage board products include drainage net, drainage cell, drainage sheet, HDPE grass paver and other customized drainage boards.
