Monthly Archives: October 2026
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October 29, 2026
The letters used to grade plywood can be confusing. Some boards carry an A, B or C grade, whereas others are marked B/BB, BB/CP or something similar. A higher grade doesn't necessarily mean you're buying stronger plywood. The differences are mainly about the surface finish, although the type of board and its intended use are also important. We've put together this guide at Mill Timber Direct to explain what the various grades mean and where you might use them.
What Do Plywood Grades Tell You?
Plywood is made up of several thin layers of timber veneer, bonded together with the grain running in alternating directions. This is what gives plywood its stability. The appearance grade relates to the outer veneers. Knots, splits, repairs and other natural defects are all taken into account, with the permitted number and size varying between grades.
A board that has a rough
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