LAP | GRADES back to overview

Clear Grades

Grade
Description
Clear Heart
THUMBNAIL OF SIDING
 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
THUMBNAIL OF SIDING 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
THUMBNAIL OF SIDING Permits slightly larger and more numerous characteristics than A grade and occasional 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


Knotty Grades

Grade Description
Select Knotty
THUMBNAIL OF SIDING Available kiln dried or unseasoned. Knots are sound and tight.

Grading Rule Paragraph
NLGA 204a
WCLIB 111-e
Quality Knotty
THUMBNAIL OF SIDING In this grade, natural growth characteristics are not limited as stringently as in Select Knotty. Cross cutting may be required on some pieces to yield tight knotted siding.

Grading Rule Paragraph
NLGA 204b
WCLIB 111-f
Proprietry Grades  
THUMBNAIL OF SIDING Designed to meet appearance requirements for cedar sidings and trim. Ask your WRCEA distributor for details.

Manufacturers may market their own proprietary grades.

Grading Rule Paragraph
NLGA n/a
WCLIB n/a
Standard and Better  
THUMBNAIL OF SIDING Suitable for exterior construction. Occasional pieces may require trimming to yield suitable quality for the intended end use.

Grading Rule Paragraph
NLGA 114a,b,c
WCLIB 118a,b,c

NLGA - National Lumber Grades Authority
WCLIB - West Coast Lumber Inspection Bureau
 
     
     
 


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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