Stucco is a durable and attractive building material. You can choose from a range of colors and finishes. It is also resistant to many types of threats. A stucco finish can actually last up to 100 years. However, stucco can sustain damage just like any other material. This can be made worse by mold growth and water exposure.

Cracks and holes in stucco exteriors can allow moisture to enter the material. This can lead to water damage such as mold growth or dry rot. Exterior water damage must be dealt with immediately in order to avoid long-term problems.

Continue reading to find out how to spot stucco water damage, and what the steps are for stucco water-damage restoration.

What Causes Stucco Water Damage

Avoiding moisture problems is as simple as identifying and fixing stucco damage immediately.

These are the repairs that you must make in order to prevent water damage from the next storm or rainfall.

> Cracks

> Bubbles

> Holes

> Gaping caulk

> Bulging

> Missing pieces

These issues can be found on the exterior stucco of your property. It is important that you act fast to fix them. Even if you don’t see any obvious signs of damage to exterior stucco, water damage can still occur due to poor installation, inadequate drainage or poor sealing.

These problems can make stucco more susceptible to moisture damage. Water damage is less likely if you repair stucco quickly.

Signs of water-damaged stucco

These are signs that you might have stucco water damage.

Water stains on the interior or exterior

> Tear-like spots where stucco meets flashing and windows

> Cracks around doors, windows, and fixtures such as exterior lights

> Higher home humidity

> Mold growth

> Dark streaks or discolored patches

> Cracks and bubbles at the bottom of walls

> Weak spots on the exterior or inside

How to repair water-damaged stucco

Interested in learning more about stucco repairs?

These are the basic steps to repair most water-damaged stucco.

  1. Do not attempt to repair damage caused by water damage or mold if stucco has sustained extensive water damage.
  2. You can repair stucco if it is damaged.
  3. Apply stucco to the area.
  4. Apply three coats stucco. Allow for drying time between each application.

Do you have concerns about stucco that has been damaged by water over a long time? It is important to clean, dry, and remediate the stucco before you attempt to repair or replace it. A certified water damage remediation specialist from the IICRC can assess the extent of damage and recommend the best course of action.


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