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
If 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: 1927
1927 was also a formative year for the lumber industry, having been characterized as one of the most important since the formative period of the Southern Pine Association dating all the way back to 1915.
Lumber Grade-Marking History: 1926
1926 was a record-breaking year in a wide range of different ways. In February, real estate on Broadway and Wall Street in New York City were sold at a record $7... per square inch.
Lumber Grade-Marking History: 1925
1925 has no doubt gone down in history as one of the most prevailing years in the entirety of the 20th century - it's just that a lot of people don't necessarily realize it.