Glossary
Grade scale
General
The systematic classification of lumber quality based on the percentage of clear-face cuttings obtainable from each board. Governed by NHLA rules for hardwoods.
Guides, species, calculators, projects and the directory.
Glossary
General
The systematic classification of lumber quality based on the percentage of clear-face cuttings obtainable from each board. Governed by NHLA rules for hardwoods.
Stuck on something?
I don’t sell timber, but I’ll help you work out what you actually need and where to find it.