Why and How To Seal Concrete

How To Seal Concrete in 2024

Concrete has long been used for many surfaces such as house foundations, driveways, porches, patios, sidewalks, retaining walls, and even landscape edging. It is a very adaptable and durable product. Today they can add different textures and colors to concrete to create a beautiful design that lasts for years. Learning why and how to seal concrete can play a vital role in its longevity. When concrete is maintained properly is will last anywhere from twice as long if not longer than concrete surfaces that are neglected.

There is a host of reasons to maintain concrete. Moisture, water, mold, mildew, and freeze/thaw damage are all very detrimental to a concrete surface. This is why concrete should be cleaned and sealed every few years. This will ensure a waterproof surface that will repel moisture reducing the chance of damage. Now that you understand why you should seal concrete, let’s discuss how to seal concrete.

Every couple of years the concrete should be cleaned. This is most commonly accomplished using a pressure washer and a quality concrete cleaner. It is important to remove contaminants such as mold, mildew, grime, dirt, and tannin stains prior to sealing your concrete. Once these contaminants are removed you should allow the concrete surface to air dry for several days prior to sealer application. After the concrete has dried and the weather allows you can begin the sealing process. We recommend doing research to find the proper concrete sealer that fits your needs.

Use plastic to cover areas of your house or landscaping that you do not want to get concrete sealer on. You can begin applying concrete sealer using a large brush or paint roller. You can also use a pump up garden sprayer or any combination of tools for application. Use whatever works best for your situation. Work in small areas at a time. According to your concrete sealer’s instruction, you may have to apply multiple coats. Do not over apply the sealer as this may result in an inconsistent appearance. Follow the manufacturer’s recommendations for proper weather during application, required coats, and coverage rates.