Since 1915, SPIB has provided grading rules, training, production surveys, and other services to ensure product integrity and build a sustainable future for the industry.
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.
What is Warp? Warp is defined as any deviation from a true or plane surface, including bow, crook, cup, twist, or any combination thereof. Warp restrictions are based on the average form of warp as it occurs normally, and any variation from this average form, such as short kinks, shall be appraised according to its Continue reading..
SPIB is proud to announce that a new 3rd party inspection agency is open for business in the western U.S. Western Wood Services, a division of SPIB, has been established specifically to offer western treaters an option in inspection services for their residential treated wood products. Although WWS is a new venture, rest assured that it incorporates the Continue reading..
The Southern Pine Inspection Bureau is pleased to announce two new varieties of the SPIB eLearning courses for Dimension Lumber. These West Coast and Canadian courses now include lessons, rules reviews, and knot tests for the Light Framing Grades of Construction, Standard, and Utility; as well as Select Structural, and Studs. These lessons are available Continue reading..