There are a great variety of panels manufactured with differences in core materials, adhesives or binders, forming techniques, surface treatments, etc., which affect characteristics of the panels. In addition, constant research gives rise to the production of new panel products. These new products are usually accompanied by data on test results of important characteristics for end-use purposes. In selecting new panel products for architectural woodworking, such data should be considered.

The term “plywood” is defined as a panel manufactured of three or more layers (plies) of wood or wood products (veneers or overlays and/or core materials), generally laminated into a single sheet (panel).

There are a wide range of panel materials available for the fabrication of architectural woodwork. Property and performance characteristics are influenced by the panel grade, panel thickness, and materials used for the core:

• Surface uniformity has a direct relationship to the performance of the face veneers.
• Dimensional stability relates to the effect of exposure to wide swings in temperature and relative humidity.
• Screw holding and bending strength are influenced by and should be considered in design engineering