SOUTHERN PINE INSPECTION BUREAU

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The SPIB mark represents quality assurance and reflects our commitment to lead the industry in exacting standards, thorough training, and innovative application of advanced technologies to ensure the integrity of softwood lumber products.

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SPIB eLearning Go to Courses

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: 1924

If you had to pick a single word to describe everything that was happening in 1924, "innovation" would certainly come to mind pretty immediately.

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Lumber Grade-Marking History: 1923

1923 was many things, but it was also among the most important in the entire industry of the Southern Pine Association - as this was the year that grade-marking machines were finally perfected. This, in turn, gave way to the successful development of a comprehensive, holistic plan to establish the practice of grade-marking lumber across the country.

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Lumber Grade-Marking History: 1922

1922 was a year that opened with tragedy. The Knickerbocker Storm hit Washington, D.C. on January 28th - still, the biggest ever recorded - and caused the Knickerbocker Theatre to collapse, unfortunately claiming the lives of 98 people.

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