International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage



(5328) Drainage boards (also called prefabricated drains)
Boards often used vertically and designed for very high water flow rates, usually have a three-dimensional plastic core with a geotextile bonded on to one side, making it impermeable to the perpendicular flow of water for water protection of foundations and other structures.

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