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Plywood is graded A, B, C, or D based on the defects in the wood surface. G
Plywood is graded A, B, C, or D based on the defects in the wood surface. Grades C and D have knotholes, but the knots are larger in D. In A and B, knotholes are patched and the surface of the sheet is sanded. Only an occasional patch will appear in grade A.
By Yankee Magazine
Mar 24 2013
Plywood is graded A, B, C, or D based on the defects in the wood surface. Grades C and D have knotholes, but the knots are larger in D. In A and B, knotholes are patched and the surface of the sheet is sanded. Only an occasional patch will appear in grade A.