Hard Maple Raw Material for Furniture Components: Effect of Sawmill Edging Practice on the Yield

A sample of 3,100 board feet of hard maple lumber was edged by 5 different practices – Conventional, Severe, Optimum, Wide, and Unedged – to determine their effect on surface area yield and dollar value of furniture components. In No. 1 Common, the Unedged surface area yield was 25.2 percent higher than the yield from Severe practice and 11.8 percent higher than the yield from Optimum practice. In No. 2 Common, the yield increase was even more pronounced, Unedged yielding 28.4 percent more than Severe and 20.7 percent more than. Optimum. The dollar value of dimension stock followed the same pattern as that of surface area yield. It is clear that a considerable economic loss is involved when lumber is edged in conformance with the NHLA grading system to facilitate sale to the furniture industry. The only apparent remedy at present is the production of dimension stock from unedged lumber by joint sawmill-dimension stock manufacturers who supply furniture components.

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