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GrassMaster
Sports playing field surface composed of natural grass combined with artificial fibres From Wikipedia, the free encyclopedia
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GrassMaster is a hybrid grass sports playing field surface composed of natural grass combined with artificial fibres. The method was developed and patented by Desso Sports from the Netherlands in 1993. This hybrid grass system is now marketed and further developed by Tarkett Sports after a takeover of Desso Sports and has since been re-branded as GrassMaster.
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GrassMaster reinforces a natural grass pitch by vertically inserting 20 million polypropylene (PP) fibres into the soil equally spread over the entire playing field. The 20 cm (7.9 in) long PP fibres are injected by computer-controlled machines, 18 cm (7.1 in) deep so 2 cm (0.8 in) remains above the surface.[1] The PP fibres are inserted in a grid of about 2 cm × 2 cm (0.8 in × 0.8 in). The grass roots entwine with the fibres and grow deeper and wider.[2] The PP fibres above the surface are designed to ensure an even and stable surface. GrassMaster may be installed before seeding, after seeding or on grass sods.[3]
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