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Clear Grades
Kiln dried clear grades of western red cedar trim boards graded as finish lumber. Typically available as S4S or S1S2E products.
Grade |
Description |
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| Clear Heart |
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The highest grade. Includes only pieces
with heartwood on the exposed face.
Many pieces completely clear, others
have minor imperfections that do not
detract from their fine appearance.
Grading Rule Paragraph
NLGA 200a
WCLIB 102-b |
| A Clear |
 |
Permits somewhat more imperfections than Clear Heart but the grade is still restricted to pieces with excellent appearance.
Common specifications are A and Better and A and Better with a percentage of B Grade allowed.
Grading Rule Paragraph
NLGA 200b
WCLIB 102-c |
| B Clear |
 |
Permits slightly larger and more numerous characteristics than A grade but occassional pieces may require trimming to yield high grade pieces in shorter lengths. Most often supplied as a percentage with A grade.
Grading Rule Paragraph
NLGA 200c
WCLIB 102-d
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| C and Better Clear |
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High quality lumber for use where appearance is important.In addition to interior and exterior trim, lumber of this grade is used for cabinetry, doors, windows and similar applications.
Grading Rule Paragraph
NLGA 202b, c
WCLIB 149-b, c
WWPA 10,11,12
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| D Clear |
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This grade permits larger and more numerous natural characteristics and is used where general utility is more important than appearance.
Grading Rule Paragraph
NLGA 202d
WCLIB 149-b, c
WWPA 10,13 |
Knotty Grades
| Grade |
Description |
|
| Select Knotty |
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Knots are sound and tight. Other characteristics are limited so they do not detract from the end use intended.
Typically available commercially as Select allowing 10%-15% Quality Knotty in rough or surfaced products.
Grading Rule Paragraph
NLGA 204a
WCLIB 111-e
|
| Quality Knotty |
 |
Natural growth characteristics not limited as stringently as in Select Knotty. Cross cutting may be required on some pieces to yield tight knotted trim boards.
Grading Rule Paragraph
NLGA 204b
WCLIB 111-f
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Proprietary |
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Graded to the manufacturer's specifications to meet the intended end use. Boards often represent good value in the no-hole product range.
Consult manufacturer's for grade descriptions and nomenclature.
Grading Rule Paragraph
NLGA n/a
WCLIB n/a |
| Standard and Better |
|
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Suitable for exterior construction. Occassional pieces may require trimming to yield suitable quality for the intended end use.
Typically supplied as S1S2E products. S4S products may require special ordering.
Grading Rule Paragraph
NLGA 114a,b,c
WCLIB 118-a,b,c
WWPA 30,50 (118a,b,c) |
NLGA - National Lumber Grades Authority
WCLIB - West Coast Lumber Inspection Bureau
WWPA - Western Wood Products Association |
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Members of the Western Red Cedar Export Association provide western red cedar to Belgium, France, The Netherlands, United Kingdom, Australia, New Zealand, China, Japan and other markets around the world. |
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