Russian (Baltic) Birch Grade Rules Quality Assurance and Inspection Grading

Russian (Baltic) Birch Grade RulesB GradeOne piece sanded face with even color. No patches, voids or mineral streaks allowed.BB GradeOne piece sanded face with generally even color. Slight pin knots and mineral streaks allowed. Open knots and defects are cut out and replaced with oval patches.CP GradeThis is a fall down from BB with more patches on the face that may not always be matched for color. Splits less that 0.5 mm are allowed.C GradeUn-sanded face that allows patches, open knots and veneer splits.NOTE: Russian Birch panels are a consistent specie throughout the panel (core and face and back veneer).

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