Move any furniture or other objects away from the wall, leaving 3 or 4 feet of open space from the wall.
Place the towels on the floor against the wall. This will protect your carpet or hardwood floor and prevent any spills that you could slip on.
Combine 1 tsp. dish washing soap with warm water into the spray bottle. Shake the bottle thoroughly to mix the solution.
Sweep away any visible debris including cobwebs and dust.
Spray a section of the wall with the spray bottle. Use a rag to scrub the wall, removing any dirt and debris. Move up and down the entire wall, replacing the rag as needed.
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