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When we talk about unfinished wood flooring we generally think of solid wood floors. Unfinished solid oak floors come in several different qualities. These qualities are clear, select and better, #1 common, and #2 common. The clear has no visual blemishes or knots and is extremely expensive. The select and better quality has some small knots and very little dark graining, while the #1 common and #2 common have more knots and more dark graining. When buying an unfinished solid wood floor make sure you know which quality you are buying. Solid wood planks are cut out as a solid block right from the tree. The wood blocks are then sawn into solid flooring planks with tongue and grooves edges. The planks are than either pre-finished at the factory or placed into unfinished bundles of varying lengths. All solid wood floors will react to the presence of moisture. In the winter heating months the lack of humidity can cause solid wood floors to contract which leaves unsightly gaps between each plank. In the summer months when the humidity is higher the wood planks will expand and the gapping will disappear. If there is too much moisture present the wood planks may cup or buckle. This is why it is so important to leave the proper expansion gap along all vertical walls and to acclimate the solid wood planks prior to installation. (Engineered wood planks are not nearly as effected by humidity as solid wood floors. |
