Classification by grade has been introduced to standardize the different industrial practices. The grade is not a criterion of quality, it refers to a visual aspect only.

Permabois has developed select and best grades, selection and tradition.

Select & better Grade:

This grade offer the most uniform natural coloration. This grade has a lighter and more constant look and accept light color variation.


Selection Grade :

This grade emphasizes the natural characteristics of wood by accepting a color variation attributable to the mixture of heart and sapwood and the presence of small healthy knots, minerals and light streaks that provide a very refined antique effect.


Tradition Grade :

This grade accentuates the natural variations of the wood, the healthy knots are more present, the mineral streaks as well as the milling marks are accepted. .