Can I Repair Stucco On My Own

Stucco is a material that is often used to give houses a more interesting, more textured facade, but over time, it can start to acquire cracks. Cracks can lead to whole chunks of stucco falling off of your house, and if you want to keep this repair job minimal, you’ll find that it is always important to make sure that you take care cracks sooner than later. Most cracks in stucco are only aesthetic damage, though if you see a crack that runs from the ground to a window, you may want to check on the integrity of your foundation.

Small Cracks

If you are dealing with a small crack or a hairline crack, you may be tempted to simply let it go. These cracks are not terribly visible, but that does not mean that they cannot become larger cracks down the line. It is very easy to fill small cracks. All you need is high-quality silicone caulk. If you are worried about the crack to stand out even after you have filled it with caulk, simply choose a caulk that is suited for painting. Use a putty knife to scrape the caulk flat and then use a damp cloth to clean up any spare traces.

Mixing Up Mortar

If you are trying to fill up a larger crack, you’ll find that you need more than just caulk. You can easily make your own mortar for stucco cracks by mixing a solution that is four parts builders’ sand to one part portland cement, along with however much water you need to make the solution easy to work. Avoid making the solution too runny, as it might be prone to drip. All of these materials are easy to find at the local hardware stores.

Filling Larger Cracks

Start by making sure that the crack in the stucco is clean. There should be no debris and no dirt in the crack before you go to fill it. You can use a hose to soak the existing stucco, which will ensure that the old stucco will not take too much moisture from the patch that you are going to apply. To prep, the area further, use a polyvinyl acetate bonding agent suited for masonry to cover the area that you are planning to patch. After that, you can simply apply the mortar to the crack with your mortar. You may choose to use a soft-bristled brush to texture it to match the rest of the stucco. At that point, you should simply wait for the new patch to dry.


Some people like to apply a coat of tar to the patch. After the tar dries, it can be easily painted over so that the patch matches the rest of the wall. If you do this, it might be worth your while to paint the rest of the wall, as new paint might not match the old paint terribly well.

If you are thinking about how you can repair the stucco on your home, there are a number of things to keep in mind. If you feel uncomfortable with the process, by all means, call in a professional, but many people find that they can handle this chore very easily on their own.

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