What Does Cd Mean in Ply

CDX sheathing is used primarily by contractors to build exterior walls and roofs. The letters “CD” represent the veneer grades used on the front and back, and “X” means the glue (not the wood) is rated for outdoor exposure—but only for a short time.

What is CD non-structural plywood?

Non-Structural Plywood (CD) Non-structural plywood is an economical plywood sheet for use in a broad range of applications from hoardings to furniture and wall linings. Made with an A bond glueline to give it durability and performance. Non-structural ply is well suited to painting or staining.

Is structural CD plywood waterproof?

There are two glues, interior (which does not stand up to wetting) and exterior (which is not affected by long term wetting and can be called waterproof). Alternatively, plywood boards that meet structural standards fall under A and B-Bond types. … They are not suitable for structural as well as outdoor use.