One of the things people like about hardwood floors is the natural beauty that comes from the wood itself. As a living tree, the material is subject to several unique environmental circumstances, growth habits, and influences of nature. From knotholes and tree rings to pin worm holes and more, hardwood’s imperfections only add to its beauty.
Pin worm holes appear in many hardwood floors. While they add character and texture to natural wood patterns, many people do not know what they are. Wood-boring insects create these tiny holes, usually no more than 1/16 of an inch. The insects live and feed when the wood is part of a living tree or shortly after workers process it into lumber.
Hardwood flooring manufacturers allow a certain number of holes as they add to the texture and appearance of the planks. Of course, too many pinworm holes can cause problems with the wood by weakening it or allowing too much moisture to enter the wood planks. When the pieces of wood are too riddled with pinworm holes, manufacturers discard them. Just the right amount of pinworm holes gives the wood planks some character. Authentic hardwood floors are hard to beat when it comes to beauty and durability.

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