Drainage system for artificial grass using spacing grid

Details Drainage system for artificial grass using spacing grid Drainage system for artificial grass using spacing grid

E - Fixed Constructions

01

C

E01C 13/08 (2006.01) E01C 3/00 (2006.01)

Patent

CA 2352934

A drainage system is provided for a synthetic grass turf assembly having a flexible and water permeable sheet backing for installation on a supporting soil substrate to provide a game playing surface. The draining system of the present invention prevents water from accumulating on the turf surface, which could cause the top-dressing layer to "float" and be moved by inundation. The draining system of the present invention includes a spacing grid disposed between the backing of the turf and a porous aggregate layer over the supporting soil substrate. The spacing grid is structured to permit water not only to be drained vertically through the spacing grid into the porous aggregate layer, but also to be drained horizontally through the spacing grid to the edges of the field when water is accumulated in the porous aggregate layer beneath the spacing grid and cannot be drained away promptly. The spacing grid is made from one or more types of geotextile or plastics material with an adequate flexibility to improve the impact absorption capabilities and resilience of the synthetic grass turf assembly.

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