| 摘要 |
A floorboard (170) is made by forming a piece of laminated veneer lumber with an uppermost ply of wood (172) suitable for flooring and profiling the edges in a suitable mating pattern. Various tongue (180) and groove (182) and interlock patterns are disclosed. A floor made from the novel floorboards can be laid directly on joists without a subfloor, leading to cost savings in material and labor.
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