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D and Better Clear Grade | Douglas Fir

Specifying D and Better Clear Grade Douglas Fir (DF) Lumber.

According to the Western Wood Products Association (WWPA), “D and Better Clear Grade finish lumber … has many of the fine appearances of C select grade…is between the higher finishing grades and the Board grades as many pieces have a finish appearance on one side, the reverse side showing larger or more numerous characteristics”.
Excerpt from the WWPA Western Lumber Grading Rules.

Get A Free Clear Vertical Grain Lumber Quote Here

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

douglas fir clear vertical grain sample icon D and Better grade sample icon Selectc Deck grade icon

  • cv – Clear Vertical Grain – This is the top quality grade available.

Clear Vertical Grain Sample. The WWPA tell us that for finish grades ” pieces 5″ and narrower are graded from both edges and the better side or face; the reverse side may be one grade lower. Pieces 6″ and wider are graded from the better side or face and one edge, the other edge and reverse side may be one grade lower”.

  • d – D & Better – Appearance grade for paneling applications.

This is a high quality graded lumber that acording to the WWPA, “has many of the fine appearances of C select grade…is between the higher finishing grades and the Board grades as many pieces have a finish appearance on one side, the reverse side showing larger or more numerous characteristics”.
Excerpt from the WWPA Western Lumber Grading Rules.

  • sd – Select Deck

Lumber of this grade is intended primarely for use in housing and light construction where it is exposed, as paneling, shelving and other uses where a knotty type of lumber with the finest appearance is required.

Available Timber Grades

SELECT STRUCTURAL ICON No. 1 grade icon No. 3 grade icon

  • ss – Select Structural – Timberframes and post and beam buildings can have great looks too.

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.

  • 1 – #1 and Better – A great grade for applications where appearance and strength are both important.
#1 and Better grade in beams and stringers is defined by the WWPA as “…pieces of fine appearance suitable for exposed uses. The strength qualities of this grade make it desirable for use in almost all classes of heavy construction.”
 
  • 2 – #2 and Better

#2 Post and Timbers are used in all general construction, designed for many uses where serviceability is important. Characteristics may include – seasoning checks; grain: medium; knots: sound, not firm fixed, unsound knots are limited to 1/2 the size of other knots; pitch streaks, shake, skip, stain, torn grain and wane.

 

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