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When cleaning stucco siding, it is recommended to use a pressure washer with a psi (pounds per square inch) between 1,500 and 2,000. This range provides sufficient power to remove dirt and grime without causing damage to the stucco surface. It's important to avoid using excessive psi as it can chip or crack the stucco. 

Using a wider spray nozzle and keeping a safe distance of about seven to 10 feet from the siding helps ensure a gentle and effective cleaning process. Always follow the manufacturer's guidelines and adjust the psi accordingly based on the condition of your stucco and the specific requirements of your pressure washer.

Stucco applied over brick can last 30 to 50 years or more when correctly applied and properly maintained. Stucco’s lifespan can be shortened by improper application, incorrectly mixed material, lack of preparation before application, and lack of maintenance. To get the most life out of your stucco siding, keep up with maintenance and repair any damage as soon as you discover it. 

The average cost to repair stucco is about $1,600, with projects ranging from $250 for minor fixes to $6,700 for extensive work. The price is often calculated per square foot, typically costing between $60 and $120. Some professionals may charge an hourly rate of $40 to $50. The final cost depends on the extent of the damage, the type of stucco, your home's location, and whether there is underlying damage that also needs to be addressed.

Costs for specific repairs vary:

• Cracks: $8–$20 per square foot

• Holes: $250–$450 per hole

• Water damage: $30–$50 per square foot

• Chimney repair: $60–$120 per square foot

• Recoating: $4–$5 per square foot

While you may be able to patch small cracks yourself, it is recommended to call a professional for major repairs to ensure the job is done correctly.

Many general contractors can handle adding stucco siding, but it’s best to hire a local stucco contractor as you’re more likely to get a clean finish on your stucco siding that maximizes curb appeal. Stucco can be a challenging material to work with, so hiring a professional contractor who has years of experience and specializes in stucco application is advisable. Compare price quotes from at least three stucco contractors in your area to find the right pro for your task.