Base for turf system

  • US 8,603,601 B2
  • Filed: 12/12/2012
  • Issued: 12/10/2013
  • Est. Priority Date: 01/19/2007
  • Status: Active Grant
First Claim
Patent Images

1. A turf underlayment layer for supporting an artificial turf assembly, the turf underlayment layer comprising a plurality of panels assembled together, each panel including a core, a top side having a plurality of projections, and a bottom side, the top projections forming top side water drainage channels, the panels having edges, with the edges of one panel abutting the edges of adjacent panels, at least one of the panel edges having at least one drainage projection, the drainage projection spacing the abutting panel edges apart, with the resultant spacing of the edges of abutting panels forming a drainage path at the intersection of the abutting panels, wherein the panels are made from a plurality of polyolefin beads, the plurality of polyolefin beads bonded together by at least one of pressure and heat to produce a substantially water-impervious surface.

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