Patent ID: 7637558

Claim:
A cargo-carrying floor surface system for a cargo-carrying body comprising: a. a cargo-carrying flooring having a longitudinal length and lateral width, said floor comprising: a plurality of wood boards extending longitudinally up to a length substantially equal to the longitudinal length of said floor, each board having a top surface, a bottom surface opposite said top surface, and first and second side surfaces extending between said top surface and said bottom surface, wherein each of said wood boards has a width that is less than the lateral width of said floor, each of said wood boards being formed by a plurality of wood strips arranged end-to-end and side-to-side to one another by shaped coupling portions; said plurality of boards being arranged side by side and joined together at adjacent side surfaces to form said floor, wherein said floor has a top, a bottom opposite said top, first and second sides, a front, a back opposite to said front, a center area between said front and back, a center board area between said first and second sides and an outer board area extending out from said center board area to either said first or second sides; and a plurality of cross members extending laterally underneath the plurality of wood boards and providing support to the wood boards; and b. at least one discrete location of said bottom of said floor being covered with a material that is different from wood, wherein said material is in addition to and distinct from said plurality of cross members, and wherein at least one of moisture protection and reinforcement properties are improved at said at least one discrete location, so that said bottom of said floor is covered with said material only at said at least one discrete location, a remainder of a total area of said bottom of said floor being uncovered by said material.