Stucco Cracks: When to Repair Them and How

If you're purchasing a home, or you already have one, seeing stucco cracks can make you nervous. We can begin to ask ourselves, should I repair the stucco cracks? Should I hire someone to repair them? Or, is this normal and nothing to worry about?

Stucco Cracks: When to Repair Them and How
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Let's talk about when you should be concerned about stucco cracks and when/how to repair them.

Types of Stucco Cracks

If you notice any of these stucco cracks, it's essential to consider a thorough foundation inspection. Understanding when to repair them and how is crucial for maintaining the structural integrity of your home. Regular inspections can help identify potential issues early on, ensuring that necessary repairs are carried out promptly. 

There are different types of stucco cracks, so you better know them so you can address them properly. Compare your stucco cracks with the following:

Hairline cracks - this is the most common type of stucco crack. They're usually nothing to worry about and can be caused by a number of things, such as thermal expansion and contraction, installation mistakes, minor settling of the house

These cracks are usually easy and inexpensive to fix. All you need is some caulk or putty.

Larger cracks - stucco cracks that are wider than a quarter of an inch are cause for concern as they can be indicative of bigger problems, such as foundation settlement or structural damage. You'll need to get a professional stucco contractor to take a look at these types of stucco cracks and determine the best course of action.

Spider cracks - if you see this type of crack, this is typically caused by poor application or curing of the stucco.

Settlement cracks - if your home is new, it's not uncommon to see stucco cracks as the house settles into its foundation. These usually show up within the first few years after construction and are nothing to worry about.

How to Repair the Stucco Cracks?

For hairline cracks,  you can use a stucco patching compound. Just apply the product to the crack with a putty knife and smooth it over.

For larger cracks, you'll want to use a stucco wire mesh. Cut the mesh to size and then embed it in a stucco patching compound. Once it's dry, you can then add another layer of stucco over top.

For both types of stucco cracks, you'll want to use a stucco sealer to help blend in the repair.

For spider cracks, it'd be the same method as the hairline cracks. However, you may need to have the cracks checked and evaluated by a professional. If it's larger than 1/8 or it happens consistently, you may want to have it repaired so it won't develop rotting.

For settlement cracks, you really need to have it checked by a licensed stucco contractor as it may have an underlying issue. An engineer may also intervene to assess the structural integrity of your home.

Crack in a Concrete Garage Floor can be a cause for concern, requiring prompt attention. When left unaddressed, these cracks may lead to structural issues or water damage, jeopardizing the integrity of your garage. To understand when to repair them and how to effectively tackle such issues, click here. Taking timely action can prevent further damage and ensure the longevity of your garage structure.

Cracks in Brick can be a common occurrence in stucco exteriors. These cracks often result from a combination of factors, including weathering, moisture, and settling. However, repairing them can help maintain the aesthetics and durability of your stucco finish. 

How to Prevent Stucco Cracks?

Now that we know the types of stucco cracks and when to repair them, how can we prevent stucco cracks?

The best way to avoid stucco cracks is by having your stucco applied by a professional. A good stucco contractor will ensure that your home is properly prepared for stucco cracks in the future.  They will also use the proper stucco mix and apply it correctly.

Maintenance is the key.  Make sure that it's properly painted and repair small hairline cracks frequently. It

It's also important to inspect your stucco regularly, at least twice a year.  Pay close attention to any cracks that may have developed since the last inspection.  If you see any stucco cracks, don’t hesitate to contact a stucco contractor to have them repaired.


Stucco cracks are nothing to be afraid of, but it's important to take care of them as soon as possible. If you see them in your home, don't panic. In most cases, they can be easily fixed and are nothing to worry about. But if you really can't fix it, you can always hire a professional to help you.  So, don't wait too long to fix stucco cracks in your home. Take care of them as soon as possible!

By following these simple tips and tricks, you can keep your stucco in good condition for years to come! If you're not comfortable making the repairs yourself, you can always hire a stucco contractor to do the work for you.   We are your reliable stucco contractor in Glendale. Schedule a consultation today!

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