Support product

Abstract

A support product for forming a pavement course, the support product being configured to receive poured concrete. The support product comprising a latticework of walls and a plurality of edges, wherein the walls extend between a lower surface and an upper surface and define a plurality of cells, the latticework of walls being between 20mm and 100mm high, wherein at least one edge comprises a catch and a partial keyway, wherein the catch is configured to connect with a catch of an adjacent support product to restrain relative movement of mutually adjacent support products, and wherein the partial keyway is configured to be located adjacent to a partial keyway of the adjacent support product, so that mutually adjacent partial keyways define a complete keyway between the mutually adjacent support products, wherein the latticework of walls intersects at intersection points to define the plurality of cells, at least some intersection points of the walls comprising openings proximate the lower surface of the walls, said openings extending between adjacent cells, and wherein the support product is configured to be filled with the poured concrete such that the poured concrete extends from the lower surface to the upper surface so that the plurality of cells and the complete keyway are substantially filled with the poured concrete.

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