The answer to 'why is my hardwood floor buildup' is that there are a few common causes, including dirt, grime, and residue from cleaning products. Over time, this buildup can create a dull, discolored appearance on your hardwood floors. Symptoms may include a sticky or grimy feel, visible discoloration, and difficulty cleaning the floors effectively.
The solution typically involves a thorough deep cleaning to remove the built-up layers. This may require using a hardwood floor cleaner or a mix of warm water and mild soap. For tougher buildup, you may need to use a floor scrubber or buffer. If the buildup is severe, it's best to call a professional hardwood floor cleaning service to ensure the floors are properly restored.