Grades of Western Red Cedar Trim Boards
Kiln Dried Clear Grades of Western Red Cedar Trim Boards Grades as Finish Lumber. Typically Available as S4S or SIS2E Products.
| Grade | Description | Grading Rule Paragraph1 |
| CLEAR HEART |
|  | 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. | 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. Typically
sold with a percentage of B grade
(NLGA 200c/WCLIB 102-d). | NLGA 200b
WCLIB 102-c |
Unseasoned Clear Grades of Western Red Clear Trim Boards. Typically Available As Rough or SIS2E Products.
| Grade | Description | Grading Rule Paragraph1 |
| C AND BETTER CLEAR |
|  | 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. | NLGA 202b, c
WCLIB 149-b, c
WWPA 10.11, 12 |
| D CLEAR |
|  | This grade permits larger and more numerous natural characteristics and is used where general utility is more important than appearance. | NLGA 202d
WCLIB 149-b, c
WWPA 10.13 |
Unseasoned or Seasoned Knotty Grades of Western Red Clear Trim Boards
| Grade | Description | Grading Rule Paragraph1 |
| SELECT KNOTTY* |
|  | Knots are sound and tight. Other characteristics are limited so they do not detract from the end use intended. Typically sold with a percentage of Quality Knotty grade (NLGA 204b/WCLIB 111-f). | NLGA 204a
WCLIB 111-e |
| PROPRIETARY |
|  | Graded to the manufacturer’s specifications to meet the intended end use. Boards often represent good value in the no-hole product range. Consult manufacturers for grade descriptions and nomenclature | NLGA N/A
WCLIB N/A |
1NLGA – National Lumber Grades Authority
WCLIB – West Coast Lumber Inspection Bureau
WWPA – Western Wood Products Association