TS EN 844-8

TS EN 844-8 is a terminology standard for the terms and definitions used to describe the features of round timber. In the language of wood technology and timber grading, naming the “features” of round timber is important because it creates a common vocabulary for assessing form, condition, and quality-related characteristics.

How the feature terminology is organised

This part focuses on the terms used for features of round timber. Terminology standards usually do not prescribe how the product itself must be made; instead, they align the concepts used when describing it. That matters when the same physical characteristic needs to be understood consistently across markets, technical documents, and inspection practice. In the context of round timber, such terms help distinguish visible or measurable characteristics such as stem form, surface defects, branching, checks, bark-related conditions, and similar attributes.

Why it matters for round timber applications

Round timber is a primary raw material that may later be converted into sawn timber, veneer, pulp, or other wood products, so a shared descriptive language is useful for classification, purchasing, transport, and quality communication. The scope of this standard is terminological consistency: it covers the terms and their definitions for features of round timber. Read alongside general wood-technology practice, it supports clear and uniform discussion of the characteristics that influence processing and end use.

• It covers terms relating to the features of round timber.
• It also provides the definitions of those terms.
• It supports a common technical vocabulary for round timber.
• TS EN 844-8 is published as equivalent to EN 844-8:1997.