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How to paint exterior walls with a paint sprayer
Cover all plants, sidewalks, railings, and other sensitive surfaces around the wall with a tarp or a cloth.
Secure the tarp or cloth with stones or weights.
Cover any windows and doors in or around the wall with tarps or sheeting.
Secure the sheeting with tape so that there are no gaps between the tarp or sheeting and the wall or the surface. Remove any elements that are not easily covered, such as protruding grates, screws, outlets, or switches.