D and Better Clear | Port Orford Cedar
Specifying D and Better Clear Grade Port Orford Cedar (POC) Lumber.
According to the Western Wood Products Association (WWPA), “Clear Vertical Grain 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.
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.
- cv – Clear Vertical Grain – Pieces may exhibit a few minor characteristics which do not detract from their high appearance and quality. Limiting provisions include: very light torn grain, very light skips on the non-graded face and very light warp.
- c – C & Better Clear – Pieces of this grade are of sound wood.Ý Most pieces are entirely clear or have only a few unimportant characteristics such as: medium stained sap wood , short splits in not more than 5% of pieces , small pitch streak or a smalPieces of this grade are of sound wood.
- d – D and Better Clear – This grade accounts for pieces of lumber having one or more characteristics which are of such size and number that the piece is not of C & BTR grade. Medium pitch streaks, limited pin holes, hit and miss skips, two knots approximately 1″ or their equivalent.
- tk – Select Tight Knot – The basis for this grade are the knots, burls and naturally occurring markings which are of fairly uniform distribution and add to the decorative character of the piece. Sound, tight knots: star checked and/or slightly chipped knots permitted.
- bt – Standard and better – The visual quality takes precedence over the structural integrity of a particular piece of lumber. grain density, coloration and clarity of the exposed face is key to selection.
- See other available grades…