The answer to 'deep cleaning buildup' is that deep cleaning is necessary to remove stubborn, built-up dirt, grease, and grime that regular cleaning can't address. Common causes include neglected cleaning, high-traffic areas, and the use of ineffective cleaning products. Symptoms include visible layers of dirt, sticky or grimy surfaces, and a general feeling of uncleanliness.
The best solution is to perform a thorough deep cleaning process, which typically involves using stronger cleaning solutions, scrubbing with stiff brushes, and potentially steaming or extracting dirt and debris. While some deep cleaning tasks can be done DIY, more extensive or challenging buildup may require calling in a professional cleaning service to ensure the job is done properly.