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To repair damaged exterior stucco, you’ll first remove all loose and crumbling material from the damaged area. You then need to thoroughly clean the area and dampen it to ensure proper bonding. After that, you’ll apply a bonding agent to the repair area, then apply new stucco in layers, allowing for curing time between each layer. The final coat should be textured to match the surrounding stucco pattern as closely as possible. Once fully cured, the repaired area can be painted to match the rest of the wall if needed.

You should aim to let stucco dry for at least 48 hours before it rains. While misting new stucco and keeping it moderately moist is important for strength and longevity, uncontrolled exposure to rain can lead to weak stucco that doesn’t bond properly. Rain can also affect the stucco finish and the color unevenly, leaving you with less appealing siding.

Homeowners insurance may cover the cost of siding repair or replacement, but coverage depends on the cause of the damage. Most policies will cover damage from a covered event, such as a storm, wind, hail, fire, natural disaster, or other impact damage. Your policy might pay for the full or partial cost of the repair or replacement. However, damage resulting from age, general wear and tear, or neglect is typically not covered, and you should expect to pay for those repairs out of pocket. It is best to review your specific homeowners insurance policy for full details on what is covered, how to file a claim, and what documentation is required.

The cost of a repair depends on several factors, including the severity, complexity, and type of damage. Other key elements are the cost of any necessary replacement parts, hardware, materials, or required software updates. Labor rates and whether emergency service is needed will also influence the final price.