The short answer
How Storms Damage Stucco
Stucco is a durable exterior finish, but it is not waterproof. Heavy rain can saturate the surface, especially if there are existing cracks or gaps. Wind-driven rain pushes water into even tiny openings, and hail can chip or dent the finish, creating entry points for moisture.
Once water gets behind the stucco, it can soak into the underlying wood or framing. That trapped moisture can lead to rot, mold growth, and weakening of the wall structure. The damage may not be visible from the outside, so it is important to look for signs like staining, bulging, or soft spots.
- Cracks from settling or age
- Gaps around windows and doors
- Missing or damaged sealant
- Hail impacts that chip the surface
- Poor drainage that lets water pool
- Heavy rain that saturates the wall
Signs of Water Damage in Stucco
Look for discoloration, dark streaks, or white efflorescence on the stucco surface. These can indicate that water has been running down the wall and leaving mineral deposits. Also check for peeling paint or crumbling areas, which suggest the stucco is breaking down.
Inside your home, watch for water stains on ceilings or walls, a musty smell, or warped drywall. These can be clues that water has traveled through the stucco and into the interior. If you notice any of these signs, you should investigate further or call a professional for an inspection.
What to Do Right After a Storm
After a storm, take a careful walk around your home to look for obvious damage. Check for loose or missing stucco, large cracks, or areas where water might be pooling. Clear away any debris that could be holding moisture against the walls, like leaves or branches.
If you spot a crack or chip, you can temporarily cover it with a tarp or plastic sheeting to keep out rain until proper repairs can be made. Do not attempt to patch large areas yourself if you are not comfortable, as improper sealing can trap water inside. Document any damage with photos for your records.
Why Professional Help Matters
Stucco damage can be deceptive. What looks like a small crack might allow enough water to cause significant structural issues over time. Local water damage pros can assess the extent of the problem, including moisture behind the walls, using specialized tools.
The pros can also help with the cleanup and drying process if water has already gotten inside. They have the equipment to extract standing water and dry out structural materials, which is crucial for preventing mold and rot. Trying to handle major water damage on your own can lead to incomplete drying and long-term issues.
Preventing Future Storm Damage
Regular maintenance is key to protecting your stucco. Inspect the exterior at least twice a year, looking for new cracks or gaps. Seal any openings around windows, doors, and utility entries with a high-quality caulk or sealant. Keep gutters and downspouts clear so water flows away from your walls.
Consider improving drainage around the foundation so that water does not sit against the stucco. If you live in an area prone to severe storms, you might also install storm shutters or impact-resistant windows to reduce the risk of wind-driven water entering. These steps can help reduce the chance of damage, but no exterior is completely immune.
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Call Now (801) 383-0232Frequently asked questions
Can I fix a small crack in stucco myself?
You can patch a hairline crack with a stucco repair product, but make sure the area is dry and clean first. Larger cracks or those with visible water damage may need professional assessment to ensure no moisture is trapped behind the wall.
How long does stucco take to dry after a storm?
Drying time depends on the extent of moisture, the weather, and the materials behind the stucco. It can take days or even weeks. The pros use dehumidifiers and air movers to speed up the process, which helps prevent mold growth.
Will my insurance cover storm damage to stucco?
Policies vary, and your insurer decides what is covered. Storm damage may be covered under your homeowner's policy, but it often depends on the cause, such as wind or hail. Check your policy and talk to your insurance company to understand your coverage.