Cleaning walls before painting is an essential step to ensure a smooth and long-lasting finish. The first step is to remove any dust, dirt, or cobwebs using a vacuum or a soft brush. For more stubborn stains or grease spots, a mixture of mild detergent and water can be applied with a sponge. It's crucial to thoroughly rinse the walls to eliminate any soap residue. For exterior walls or heavily soiled surfaces,
commercial pressure washing is highly effective in removing grime, mold, and old paint. This method provides a clean and even surface, ensuring the new paint adheres properly. After cleaning, allow the walls to dry completely before proceeding with any priming or painting. Proper preparation can make a significant difference in the final appearance and durability of the paint job