Dust the walls. Use either a broom, a dusting brush, or a vacuum cleaner to do this. Run the broom, brush, or vacuum up and down the walls in a vertical motion. Use a ladder to get into high corners, or enlist a tall friend to help..How to clean painted walls. Tips for preparing and cleaning dirty grimy painted walls. Wall cleaning and stain removal tips from professional house cleaners..Home How Tos How to Clean Walls Explore How Tos Prev Next De smudge Walls Got a budding Pic.o on your hands with a flair for .Keep painted walls lo.ng fresh with preventive maintenance and simple cleaning methods..
Wipe the wall with the cleaner and then wipe it with just water to rinse. Use two buckets, one for the cleaning solution and one for the water. Be sure you wring out your sponges before using them on the wall. You want a damp sponge, not a wet one..