Stucco Repair

Stucco Repair: A Comprehensive Guide to Fixing Cracks

Stucco is a popular exterior finish for many homes due to its durability, versatility, and aesthetic appeal. However, over time, cracks may appear in your stucco, causing unsightly damage and potential moisture issues.

Stucco Repair

Step 1:

Identify the Type of Crack Before starting the repair process, it’s crucial to identify the type of crack you’re dealing with. Hairline cracks are thin and superficial, while larger, deeper cracks may indicate more significant damage. Understanding the severity of the crack will help you determine the most appropriate repair method.

Step 2:

Gather Necessary Tools and Materials To repair stucco cracks, you’ll need the following tools and materials:

  • Stiff-bristled brush or wire brush
  • Utility knife
  • Stucco repair compound
  • Pre-mixed stucco patch (for larger cracks)
  • Trowel or putty knife
  • Caulking gun (if using a tube of repair compound)
  • Sandpaper or sanding block
  • Paint to match the existing stucco color

Step 4:

Apply the Stucco Repair Compound For hairline cracks, apply the stucco repair compound directly from the tube using a caulking gun, or scoop the compound onto a putty knife for larger cracks. Press the compound into the crack, ensuring it fills the entire space. Smooth out the repair compound with the putty knife or trowel, feathering the edges to blend with the surrounding stucco.

Step 5:

Allow the Repair Compound to Dry Allow the stucco repair compound to dry according to the manufacturer’s instructions. Depending on the product and the size of the crack, this may take several hours or even days.

Step 6:

Sand and Paint Once the repair compound is fully dry, lightly sand the surface to create a smooth, even finish. Be careful not to over-sand, as this can damage the surrounding stucco. Finally, apply a coat of paint that matches your existing stucco color to seamlessly blend the repair.

A hand with a spatula.

Fixing stucco cracks is a manageable DIY project that can help maintain your home’s exterior appearance and protect it from moisture damage. Need professional help with your stucco repair? Contact HABS Ontario Inc. team of stucco experts for reliable, high-quality services. 

What happens if you don't repair stucco?

If you don’t repair stucco: Damaged stucco can lead to water infiltration, structural damage, mold growth, and decreased energy efficiency.

Is stucco stronger than concrete?

Stucco vs. concrete: Stucco is not stronger than concrete. Concrete is more durable and has higher compressive strength, while stucco is more flexible and mainly used as a decorative and protective coating.

How thick can you apply stucco?

Stucco is applied in three coats with a total thickness of 3/4 to 1 inch. It is not recommended to apply stucco too thick, as it may cause cracking and other issues.

How often should stucco be redone?

Stucco last for 50 years or more if properly maintained. However, it may need to be repainted or repaired every 5-10 years, depending on factors like climate, quality of installation, and maintenance.

How Long Will Masonry Last?

To arrange a meeting, please call us at (647) 270-8318 or write to us at You may count on us to provide service in Toronto, North York, the York area, and the surrounding areas. Trust our skilled artisans and prompt service to bring your Stucco Repair project to life.