Things You Will Need
Always clean walls before wallpapering or painting your interior walls to make paper and paint applications go on smoother and neater.
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Remove pictures and picture hangers from walls before cleaning.
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Sweep down walls with a small, handheld broom. Sweep from top to bottom.
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Fill a plastic pail 2/3 full with warm water. Add a tsp. of gentle liquid dish soap to the pail as the water runs.
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Plunge a large sponge in the water. Remove the sponge, squeezing the water into the pail.
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Wipe the wall down one square foot at a time, starting at the top. Wet the sponge in the bucket every five feet.
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Dump the pail in the sink when you have finished the wall. Allow the walls to dry by opening some windows or placing a fan on the floor afterward.