Trim Board Grades

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 fi ne 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

Cedar Outdoor Products

Cedar Outdoor

Quotes

For optimum performance, the WRCLA recommends that Western Red Cedar is preprimed or pre-finished prior to job site delivery.
Western Red Cedar produces fewer greenhouse gases, generates less water and air pollution, requires less energy to produce than alternatives and comes from a renewable and sustainable resource.
Western Red Cedar from WRCLA members is independently certified as legal and sustainable.
Western Red Cedar requires significantly less energy to produce than fibre cement or wood composite materials.
Unlike man-made alternatives, Western Red Cedar is biodegradeable.
Western Red Ce¬dar has the lowest environmental impact when compared with other materials such as brick and fibre cement.
The Western Red Cedar Lumber Association (WRCLA) is non profit association representing Western Red Cedar producers, distributors and retailers throughout North America.
Western Red Cedar is one of the most durable coniferous species and can be counted on to give long and trouble free service under most conditions.
Western Red Cedar is light weight, easily worked and ideal for almost all types of finishes.
Western Red Cedar has centuries of proven performance which cannot be said of new man made products.
Western Red Cedar produces fewer greenhouse gases, generates less water and air pollution, requires less energy to produce than alternatives and comes from a renewable and sustainable resource.
The Western Red Cedar Lumber Association (WRCLA) is non profit association representing Western Red Cedar producers, distributors and retailers throughout North America.

For exterior home siding information visit www.cedar-siding.org|For wood decking information visit www.cedar-decking.org