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Southern Pine Inspection BureauQuality.TogetherSince 1915, SPIB has provided grading rules, training, production surveys, and other services to ensure product integrity and build a sustainable future for the industry. |
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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: 1915
Date Published 11/16/2018
About the History of Lumber Grade Marking SPIB has been in the process of archiving some of its historical documents.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..
All Pine Trees Aren’t the Same: It May be One of Several Species
Date Published 02/16/2018
The term,” yellow pine”, can refer to several pine species or groups of species which tend to grow in similar forest types and yield similar strong wood. In the Western US, yellow pine refers to Jeffrey pine or Ponderosa pine. In the United Kingdom, yellow pine refers to Eastern white pine or Scots pine. In Continue reading..
Your Rules Writing Agency for Southern Pine
Date Published 09/20/2017
How was SPIB formed? The Southern Pine Association was formed in 1915 to provide a common set of grading standards for the industry. Prior to the formation of the SPA, each regional pine association published their own grading rules using different grades and sizes. With the advent of World War I, the Department of Commerce Continue reading..