The answer to 'hardwood floor buildup' is that it is a common issue caused by a buildup of dirt, dust, and debris on the surface of hardwood floors. This can happen over time as the floors are used and not properly maintained. Symptoms include a dull, discolored appearance and a rough or sticky texture to the floor.
The best solution is to thoroughly clean and restore the floors. This typically involves a multi-step process of vacuuming, sweeping, mopping, and potentially using a hardwood floor cleaner or refinishing product. It's important to follow the manufacturer's instructions carefully and avoid using too much water, which can damage the wood. If the buildup is severe or the floors are in poor condition, it's best to call in a professional hardwood floor cleaning and restoration service.