Just keeping down the wood beetle population

Chipboard - this comes in a variety of chip sizes. In general terms the larger the chips the weaker the board. Sometimes the boards are made up of finer chips to the outside and courser chips in the core. This allows the board to take finishes like paint more easily. Often chipboard is veneered with expensive wood to make it look like solid timber. One problem with using man made boards of any type is that when you cut it the inside core is revealed making the work look ugly and one way round this is to put a strip of wood over the cut edges to cover them up. Some ways of doing this are shown below. The shaded parts of the diagrams are the added strips.

Various types of plywood (left) are available. The rule is that  all have an odd number of layers. Some are finished with real wood veneer to make them look better, the layers of some are glued with waterproof glue so they can be put in water (marine ply) and some are pre-formed in unusual shapes.

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