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Stucco Flashing Repair

What is Stucco flashing?

Stucco flashing is an integral component of any building’s exterior envelope, providing protection against water intrusion and prolonging its longevity. Over time, however, stucco flashing may become worn down and need repair.
Stucco flashing serves a critical purpose: stopping water seepage into buildings that could result in structural damage, mold growth, and other costly problems. By diverting it away from vulnerable areas of a structure, stucco flashing plays a pivotal role in keeping its integrity.

When do you Need Stucco Flashing Repair?

Like any building material, stucco flashing is vulnerable to wear and tear over time, including extreme weather conditions, improper installation procedures, or neglectful maintenance practices. Here are some signs of stucco flashing damage:

Water Stains: Stains on interior walls or ceilings near windows and doors that appear as discolorations or dark spots can indicate issues with stucco flashing, such as discoloration or discoloration of stucco flashing.
Mold or Mildew Growth:If you notice mold or mildew growth on the stucco surface or surrounding areas, this could be a telltale sign that water intrusion caused by damaged flashing has penetrated it.
Cracked Stucco: Cracked stucco around windows, doors, or roof edges may indicate that flashing underneath has deteriorated or shifted significantly, signaling flashing needs replacement or repair.
Peeled or Bubbling Paint: Water entering through damaged flashing can penetrate stucco and cause its paint to peel or bubble, leading to its entrance into stucco walls and leading to leakage of moisture into it. This may result in peeling or bubbling paint.
Rotting Wood: If your flashing has failed to protect wood components such as window sills or door frames from moisture damage, signs of decay could appear over time.
Repairing Stucco Flashing: Proper stucco repair techniques must be followed when attempting to restore damaged stucco flashing.

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” We had to resurface the stucco on our house, and Stucco Repair San Diego did a great job, at an affordable price, looking as good as new. Very impressed by the level of craftsmanship.”

Joanne Winter

Creative Designer

“What can I say, the Stucco Repair contractors did amazing with care in every step of the project. The team’s expertise turned my outdated exterior into a modern marvel that I’m proud to call home.

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“The process was seamless and professional. Every detail was handled with expertise and care, making the transformation of our home’s exterior truly satisfying.”

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IT Programmer

FAQs

Frequently Asked Questions

What is stucco flashing and why is it important?

Flashing is a thin metal barrier installed beneath the stucco around windows, doors, and roof transitions to redirect water away from the wall. Since stucco is porous, it can allow water to seep through—flashing prevents moisture from entering the structure and causing damage such as rot or mold.

Should flashing go under stucco or on top?

Flashing must be installed underneath the stucco—not on top. Placing it above the stucco can trap water, leading to leaks and rot. Proper installation ensures water channels outward correctly and avoids unnecessary damage.

How do I fix stucco flashing that’s leaking at the roof junction?

The typical repair process involves removing about 4–6 inches of stucco above the roof transition, installing correct step or Z-flashing with overlapping WRB (water-resistive barrier), then re-stuccoing the area. A kick-out diverter is also commonly added to direct water into the gutter.

Can flashing be repaired without removing stucco?

While some homeowners hope for a patch fix, we recommend removing a small stucco strip above the flashing area to properly install or replace flashing. Without this step, you risk continuing leaks. One common approach involves cutting a small slot above the paint line and slipping the flashing leg behind the stucco.