| 摘要 |
A floor structure unit, comprising: a tray, a flooring material, a rubber grommet, and a rubber matrix is provided. The tray includes an upper and lower horizontal surface, at least one retaining wall, a first and a second set of contrapositive interlocking members. The flooring material is disposed on the tray upper horizontal surface such that the first set of interlocking members is substantially flush with the flooring material and the second set of interlocking members extends beyond the flooring material. The rubber matrix is disposed in the tray lower horizontal surface, and the rubber grommet is disposed about the perimeter of the at least one retaining wall. The rubber grommet and the rubber matrix are a unitary piece. Methods of manufacture and use thereof are also provided.
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