They might look all similar to the naked eye, but there are different kinds of plywood used for various purposes of construction. If you need different types of plywood for your DIY project and you are trying to familiarise yourself, then you came to the right place.
Plywood supply distributors will often ask you what bond of ply do you need. Lost? Do not worry; this article will help you understand the basics of plywood bonds. Basically, it is the type of glue used to bind the plies to make plywood. Different bonds are used for different purposes.
Interior plywood is usually used to make cabinets and furniture pieces. This type of plywood is used where exposure to moisture and extreme temperatures are minimal. The good news is, it comes in a variety of hardwood species (i.e., birch, oak, etc.) making it easier for you to choose what you need.
Durability is one of the most notable characteristics of an exterior plywood. They are made to withstand extreme temperatures and are moisture resistant. Exterior plywood is usually hardwood.
If you want something that will withstand more moisture, then you should opt for a marine plywood. These type of plywood are specially made to withstand moisture (more than the exterior can) with the use of quality adhesives. The downside, however, is that marine plywood are harder to find, is more expensive, and does not come in a variety of choices unlike the first two.
Durability and strength are the main characteristics of structural plywood. They might not be too aesthetically pleasing, but its strength is often its selling point.
If you want a balance between aesthetic and durability, then you can opt for a sanded plywood where one side is sanded to be smooth and visually pleasing. This type of wood is usually used in building cabinets and furniture.
Now that you know the five basic types of plywood bonds, it would be easier for you to know which kind of plywood is best for your DIY project.