31/03/2026
Plywood grades don’t have to be confusing.
But choosing the wrong one can cost you time, money and the finish.
If you’ve ever stood in a timber yard wondering what A, B, C or D grade plywood actually means, you’re not alone. Those letters aren’t just labels they tell you where a sheet belongs and how it’ll perform.
Here’s the simple breakdown 👇
🔹 A & B Grades
Best for projects on show — cabinetry, furniture, feature walls and joinery where finish matters.
🔹 C & D Grades
Designed for utility and structural work — subfloors, framing, bracing and anywhere the sheet won’t be seen.
🔹 Combined grades (AB, CD, CDX)
The first letter is the visible face, the second is the back.
CDX? That “X” means water-resistant glue — ideal for external or moisture-exposed applications.
🔹 Bond type matters
Not all plywood handles moisture the same way. Exterior, marine and structural ply use tougher adhesives for wet or exposed conditions.
🔹 Structural vs non-structural
If it’s carrying load, it must meet Australian Standards. Looks alone aren’t enough.
Knowing how to match the right plywood grade to the right job means:
âś” Better finishes
âś” Less waste
âś” Fewer headaches on site
We're experts. Get in contact today if you have questions.