Select Structural Grade | Douglas Fir Lumber
Specifying Select Structural Grade Douglas Fir (DF) Lumber.
According to the Western Wood Products Association (WWPA), “Select Structural Grade lumber … Select Structural Posts and Timbers are graded primarily for strength, but can be used also for good appearance. The picture shown above is an example of super high end Select Structural Grade Douglas Fir. Most select structural Douglas Fir is not this clear. We can get them but if you just call for Select Structural it will not look this nice and clear. Select structural is not the same as a clear grade. It will still have knots, checking and other natural occuring characteristics allowable within the industry standard grade rules.

Other Available Board Grades
Note: all pictures are meant for a general grade description. If you want to see a more defined grade image, please let us know. We can email you pictures and grade rules.
Available Board Grades
- cv – Clear Vertical Grain – This is the top quality grade available.
- d – D & Better – Appearance grade for paneling applications.
- sd – Select Deck
Available Timber Grades
- ss – Select Structural – Timberframes and post and beam buildings can have great looks too.
- 1 – #1 and Better – A great grade for applications where appeareance and strength are both important.
- 2 – #2 and Better
- See other available grades…