Carpentry work requires the use of various types of wood and there are many boards on the market today. Carpenters tell you to buy 3mm, 5mm, 9mm, 12mm plywood. So do you know what this all means? Let’s find out what the difference is between 3mm, 5mm, 9mm, 12mm plywood.
What are the types of plywood?
The number of veneer layers is odd, usually from 3 to 13. The most common types are three-ply, five-ply, nine-ply and thirteen-ply (commonly known in the market as 3mm, 5mm, 9mm, 12mm plywood ). The outermost front veneer is called the panel, the reverse side is called the back panel, and the inner panel is called the core panel.
What is three-ply board?
Three-ply board is the common name for three millimetre thick plywood, also known as triple plywood. It is called different things depending on the number of layers and is generally used for furniture backs or drawer bottoms. It is usually referred to as a few millimetre thick in the building and woodworking industry. Common plywood generally does not have a decorative pattern on the panel. It is used as a general structural material.

What is five-ply board?
Five-ply board is the thickness of a wooden panel, usually a 5mm multi-layer panel. It is generally used for the splicing of large board surfaces, such as partition walls or the production of exhibitions. Size: 1220*2440mm, 1220*2135mm, 1220*2500mm, 1250*2500mm.
What is nine-ply board?
Nine-ply board is also known as 9mm plywood. General nine plywood specifications that is nine ply board thickness is 9mm. It is generally used for skirting boards plus trim panels made and used. It is also used for the production of furniture backsplashes.
9mm plywood is a type of plywood. Nine-ply board refers to the thickness of the board, which is 9mm. Nine ply boards have a flatter surface as they are pressed by machine. A better plywood is OSB.
What is twelve-ply board?
Twelve-ply board is a 12mm thick board, which can be either density board or multi-layer. Generally it refers to 12mm multi-layer boards.