SOUTHERN PINE INSPECTION BUREAU

Quality.Together

Make things easier by using our product locator

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.

Use our product locator as a tool to find the quality products you are looking for at the nearest place to you.

Email Sign Up

Want to keep in touch?

Stay up to date with SPIB training classes and more by signing up to our email list.

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.

Our Blog See More →

Lumber Grade-Marking History: 1921

1921 was yet another year during which the world would change forever - however, it was less the product of any one major event and more about a series of smaller ones, taking place "behind the scenes" on the world stage.

Source

Lumber Grade-Marking History: 1920

For determining lumber grades in dispute, the Inspection Department, which applied grading rules and standard specifications, performed valuable and indispensable service. Of 1,448 claim inspections, 628 were made at the request of non-members of the Association, who paid the per diem fee and all expenses for the inspection service.

Source

Lumber Grade-Marking History: 1919

1919 was another year that left an incredible mark on the globe, and particularly on the United States. In July, the United States Army sent a convoy across the continental U.S. to see whether or not it would be possible to cross all of North America by road. This particular effort took many months to complete and was woefully inefficient, but because of it, the U.S. Highway System would be born.

Source