premium-grade lumber

premium-grade lumber

The highest grade of lumber available both in material and workmanship; intended for the finest work; compare with custom-grade lumber and economy-grade lumber.
References in periodicals archive ?
That announcement followed a tour of the Mitsui Home Component Plant which uses an Alberta-sourced, premium-grade lumber specific to Japan called J-grade lumber, as well as other Alberta wood products used to manufacture oriented strand board.
The company also designed its own flow molding equipment to produce a premium-grade lumber using 100% post-consumer HDPE bottles.