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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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.
Introduction 1917 was a year of many firsts. Jeannette Rankin officially became the first female member of the United States House of Representatives in March of that year, right around the time that Woodrow Wilson was sworn in for his second term as president. The Republic of China would later terminate all diplomatic relations with Continue reading..
Introduction 1916 was a year that gave us a great many things for the first time, many of which our lives literally depend on today. On New Year’s Day, the British Royal Army Medical Corps carried out not only the first successful blood transfusion in history, but they did so using blood that had already Continue reading..
About the History of Lumber Grade Marking SPIB has been in the process of archiving some of its historical documents. In that process, we discovered a rare and treasured story about the history of grade marking southern pine. It begins in 1883 and leads us up to 1940 when SPIB was created. W.D. Durland prepared Continue reading..