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The Solution for Lumber Grader Training

SPIB eLearningIf you want to learn to grade dimension lumber, or if you just want to become more knowledgeable of the grading rules, the defects and characteristics of lumber, the terminology and theory of dimension lumber grading then this course is for you.

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Lumber Grade-Marking History: 1921

1921 was yet another year during which the world would change forever - however, it was less the product of any one major event and more about a series of smaller ones, taking place "behind the scenes" on the world stage.


Lumber Grade-Marking History: 1920

For determining lumber grades in dispute, the Inspection Department, which applied grading rules and standard specifications, performed valuable and indispensable service. Of 1,448 claim inspections, 628 were made at the request of non-members of the Association, who paid the per diem fee and all expenses for the inspection service.


Lumber Grade-Marking History: 1919

1919 was another year that left an incredible mark on the globe, and particularly on the United States. In July, the United States Army sent a convoy across the continental U.S. to see whether or not it would be possible to cross all of North America by road. This particular effort took many months to complete and was woefully inefficient, but because of it, the U.S. Highway System would be born.