PlywoodPlywood is a material that is generally stronger as a structural material than particle board or MDF. Plywood is constructed of several thin layers of wood, and can also be called layered board. The wood used to create the layers in plywood is generally B grade wood, which individually would not be strong enough for use, but when layered together creates a much stronger material. Use of plywood minimizes the chances of warping, which makes it desirable for exterior surfaces of a wall bed , as well as interior. Be cautious when selecting a wall bed that utilizes plywood as a main structural component, however, as knots in the wood layers can create instability. If one layer of the ply wood has a knot, it creates a point of weakness that can be transferred throughout the wood.Solid WoodSolid Wood is the material that is most used in wall beds for structural composition. This is the strongest material available, and is consequently the material used most often for the most important part of the wall bed: the structure. Solid wood is generally not used as an exterior material for several reasons. Solid wood can naturally warp, leading to visual imperfections which decrease the overall appearance and structural performance of your wall bed. It is also difficult to guarantee and align specific grain patterns when using solid wood, creating greater difficulty when used for exterior purposes. Solid wood is also very expensive, and unnecessary use is wasteful in our limited eco-system. wall beds that utilize solid wood as their main structural material will be extremely strong, but for aesthetic purposes solid wood is not recommended as an exterior surface.
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