The answer to 'why is my hardwood floor buildup' is that there are a few common causes, including excess dirt and debris, improper cleaning methods, and buildup of wax or polish. Symptoms include a dull, hazy appearance, sticky or gummy spots, and difficulty keeping the floor clean.
To address hardwood floor buildup, you can try DIY solutions like sweeping and vacuuming regularly, using a mild cleaner and microfiber mop, and avoiding harsh chemicals or excessive water. However, if the buildup is severe or you're unsure of the cause, it's best to call in a professional hardwood floor cleaning service to properly deep clean and restore your floors.