Condition Assessment and Visual Grading of Timber


Have you ever wondered what equipment might give you better information than just looking at the timber? This course will focus on wood investigation techniques and visual grading of lumber and timber, including the following topics:

  • Capabilities and limitations of inspection methods and technology
  • Visual inspection and probing
  • Moisture measurements
  • Resistance drilling
  • Stress waves, digital radioscopy, infrared thermography, ground-penetrating radar
  • Visual grading for strength assessment

Most people have used moisture meters, but are you really measuring the moisture in the wood? When do I need one of those meters where you push the probes into wood? And is there a specific technique to get valid results?

That's an easy one. How about using a resistance drill? Where do I drill to get the best results? Do I need to adjust the reading for species or cut of timber? And what about using sound waves or load testing? How do I know the best method to help me answer my questions about timber in an existing structure? Attend this 3-day course and learn the answers to these questions - and others you may have!

Timber testing/reading tool

Assessing timber

Visual grading will include an introduction to the science behind the grading rules and developing an understanding of how the interpretation of the grading rules can impact the performance of structural timber. Issues associated with the grading of timbers in existing buildings will be discussed. 

Participants will learn about visual grading rules as they pertain to structural timber, and applying those rules to full-size samples; the skills learned will apply beyond the species graded under NeLMA rules which will be used for the workshop. The grading portion of the workshop will culminate with a written and practical examination. Upon completion, participants will receive a certificate of course completion issued by the TFEC.

Aug 25, 2021 - Aug 28, 2021 $1,000

9 spots remaining.

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