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Is It Better to Repair or Replace Stucco?

Stucco is a unique, durable exterior finish that provides an array of benefits including fire and mold resistance. It also adds character and practical value to your home. However, stucco can crack and fail over time. This damage is often triggered by underlying issues such as moisture intrusion or foundation settling.

How to Repair Stucco

Repairing stucco is not difficult and can be completed by homeowners, as long as they know the basics of how to do it. The key is to identify and remove all loose and damaged stucco, which can be done with a hammer or hammer-and-cold chisel.

Depending on the type of stucco, a variety of materials can be used to make repairs, including foam sealants and paints. These materials are available at home improvement stores and can be used for a wide range of repairs, from filling hairline cracks to patching deep cracks that need more than just a sanded caulk.A crack in stucco should be repaired as soon as possible since it can spread further and cause problems for the homeowner if left untreated. This can include mold and water damage.

If the crack is only a small amount of stucco, such as a hairline one, you can fill it in with an acrylic exterior caulk. The caulk can be purchased in a variety of colors and is easily painted to match the color of the surrounding stucco. For larger cracks, you may need to hire a professional who can evaluate the problem and recommend the best solution for your home. This may include reinforcing the wall or adding expansion joints and a weep screed to prevent further damage.

To begin, remove all damaged stucco from the area to be repaired and inspect the metal lath underneath for any signs of rust or damage. If the metal is in good condition, you can apply new stucco directly to it. If it’s not, you’ll need to cover the wood lath with grade-D builder’s paper to create a moisture barrier. Then, measure a piece of galvanized metal mesh that is the same size as the repair area and cut it to fit. Affix the mesh to the wood lath using roofing nails driven into the lath.

After repairing the stucco, you should brush it with a bonding liquid and finish it with a fresh coat of brown stucco. This is a great way to improve the look of your home’s exterior and also ensure that the repairs will last for many years.


If you have hairline cracks in your stucco, the best thing to do is fill them in. This will prevent them from spreading and causing more problems down the road. You can buy all sorts of products at your local hardware store that will help you do this.

The simplest and most inexpensive way to repair this type of crack is by using an elastomeric coating that will match the color of the stucco. This will make the cracks less visible, and it will also seal them from moisture penetration and freezing/thawing. Hairline cracks in stucco are typically about 1/16 inch wide and can occur for many reasons, including drying timber or shifting foundations. Nevertheless, they can be serious and should be repaired by a professional.

Pattern and diagonal cracks in your stucco are a sign of structural damage. These are most often seen around door/window frames or AC units, and they generally indicate severe foundation settlement issues. Stucco cracks can be caused by many different factors, but most often they are due to soil movement, especially if the stucco is applied to expansive soils or when there’s no space between the sheathing panels. Regardless of the cause, it’s important to investigate the source of the crack and fix it correctly so that it doesn’t happen again.

It’s also important to identify any other issues with your foundation or framing, as those may also be contributing to the cracks. For example, if you have a stucco wall that’s leaning or bulging outwardly, there could be a foundation issue. You might want to replace the lath underneath your stucco, which is the framework that allows mud stucco to adhere to it. Normally, this is done with a mesh, metal wire, or waterproof paper pattern.

You can also add control joints, casing beads, and corner beads to the stucco, which will reduce the chances of cracking. You can also ask your contractor for a weep screed, which helps terminate the stucco at the base of the wall and prevents it from cracking. These methods can help you avoid larger cracks in your stucco, and they can also save you money in the long run.


Stucco is a common material used to cover the exterior walls of homes. It offers a number of benefits, including being resistant to rot and fungus, durable, and low maintenance. A stucco home is also highly energy efficient, as its thick surface absorbs much of the heat from the summer sun and blocks winter winds. This saves homeowners money on their utility bills, and it also increases the resale value of the property. If you’ve noticed a hole in your stucco, it’s important to repair it right away so that it doesn’t become worse. Leaving holes in your stucco can cause serious water damage, which can lead to costly repairs later on.

The first step in repairing a hole is to clean the damaged area thoroughly. This will ensure that the patching materials have a good bond with the stucco. You can use a small automotive wire brush or similar tool to clean the area and remove any dirt or debris. Next, you need to apply a layer of sanded caulking or a pre-mixed patch compound to the hole. This should be applied in a few layers, and it should not exceed a quarter inch thick.

Once the patching is dry, you can apply a finishing product atop the hole to make it look as close to the rest of the stucco as possible. Then you can paint it in a color that matches the surrounding wall. There are a few different ways to repair a hole in your stucco, but the process is relatively easy and inexpensive. It involves cleaning the damaged area, applying a patching compound or sanded caulking, and then covering it with a finishing product and painting it in a color that matches the rest of your stucco.

If you’re unsure how to repair a hole in your stucco, or if you have any questions about the process, it’s best to call in a professional for help. They’ll do the job correctly the first time, which will save you a lot of trouble in the long run. They’ll also be insured and guarantee their work, so you can have peace of mind.

Water Damage

Water damage to your home’s stucco isn’t something you want to ignore. If left unchecked, this damage can lead to costly repairs and mold growth. Luckily, there are some simple ways to prevent this from happening to your home.

First, inspect your house for signs of water damage to the stucco. This includes bumps on the surface, as well as cracks and holes in the stucco itself. If you notice any of these signs, then it’s time to call a repair professional to help with the issue.

Next, pay attention to the spots around your windows that look damp or discolored. If there are any dark streaks that never disappear, this is another sign of moisture damage to the stucco.

Additionally, be on the lookout for any gaps or cracks in your window caulking, as this can also indicate a problem with the stucco. This is especially true if the gaping or cracking has been there for a long time.

Finally, take a closer look at your home’s drywall and see if it feels soft to the touch. If it does, this is another sign that water is leaking through the stucco walls, weakening the structure of your home from the inside out.

When it comes to water damage, your best option is to contact a licensed stucco expert to conduct a moisture test or leak detection inspection. These tests can tell you exactly where the damage is coming from, and then provide you with a detailed plan of action.

After the investigation, an expert can then make any necessary repairs to prevent the problem from recurring. The stucco repair process will vary depending on the extent of the damage, but it usually involves removing damaged stucco and replacing it with a new stucco mix that matches the exterior of your home.

Stucco is a popular siding material for a good reason: it’s tough, durable, and resistant to weather. If it’s done correctly, it will protect your home from rain and other elements while also keeping your home looking its best. If you’re in the market to replace your home’s stucco, there are a number of other types of siding that may be more suitable for your needs.

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