Outdoor Surface Cleaning Blog

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Cleaning Your Retaining Walls

Retaining walls are a great addition to an outdoor living space. They can be used as borders, railings and additional seating if needed. With their various finishes they can also be a decorative detail that brings an entire space together. Just like any other outdoor living structure, however, they need cleaning.

Retaining walls are built to withstand the elements, but that doesn’t mean they don’t show their wear over time. If they aren’t sealed properly, the stone or concrete it is made of will start to absorb moisture and dirt as well grow mold and mildew.

Recently, our pressure washing company in Austin cleaned and sealed a retaining wall, bringing it back to life. As you can see in the before image to the right, the wall was looking dirty and grimy. Hard water stains were showing down the front creating darker streaks in areas. The tone and color of the wall wasn’t consistent as it had originally been when built.

Renew Crew of Austin came out to clean and protect the wall. Our environmentally friendly outdoor cleaner was able to applied to the stone, paying careful attention to the many nooks and crannies that are visible to passersby.

After allowing the foam cleaner to dig deep into the surface, the wall was power washed to rid it of all the build up. After allowing the wall the dry, a layer of protectant was applied to keep future stains away. Most pressure washing companies will clean a surface, but don’t follow it up with protection,. That’s the most important part in our mind! If you don’t have a sealant of some kind, you have to go through the cleaning process more often, costing you more money.

You can see in the after picture how clean and consistent the stone looks. This is just one of Renew Crew’s protectant finishes. With the retaining wall example, the owner wanted something light in color and natural. Some clients, however want something a little deeper in color. This walkways, as you can see, is darker in color and the color variations of the stone are a little more noticeable. There are a number of different finishes that Renew Crew office apply to driveways, walkways, patios, retaining walls and more.

If you have questions on cleaning retaining walls, stone, or pavers in general, please contact your local Renew Crew office.