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How to Protect Your Concrete from Chloride Salts

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 How to Protect Your Concrete from Chloride Salts

If you have concrete on your property, it's important to protect it from chloride salts. Chloride salts can cause concrete deterioration, which can lead to a number of problems. In this blog post, we'll discuss the importance of protecting your concrete from chloride salts and how to do it.

How to Protect Your Concrete from Chloride Salts
How to Protect Your Concrete from Chloride Salts

The Importance of Protecting Your Concrete from Chloride Salts.

The Dangers of Concrete Deterioration

Chloride salts are one of the leading causes of concrete deterioration. When these salts come into contact with concrete, they can cause the concrete to break down and become weak. This can lead to serious problems such as cracks, holes, and even collapse.

The Causes of Concrete Deterioration

There are many factors that contribute to concrete deterioration, but chloride salts are one of the most damaging. These salts can come from a variety of sources, including road salt, sea water, and even deicing chemicals used on sidewalks and driveways. When these chemicals come into contact with concrete, they can start to break down the concrete’s structure. 

The Solutions to Concrete Deterioration

Fortunately, there are a few things you can do to protect your concrete from chloride salt damage. One of the best ways to protect concrete is to seal it with a good quality sealer. There are many different types of sealers available on the market, so it’s important to choose one that is specifically designed for use on chloride-salt-damaged concrete. Applying a sealer is an easy process, but it’s important to follow the manufacturer’s instructions carefully in order to get the best results. 

The Different Types of Chloride Salts.

Sodium Chloride

Sodium chloride is the most common type of chloride salt. It is found in seawater, and is also known as table salt. When sodium chloride dissolves in water, it forms sodium and chloride ions. These ions are attracted to the concrete surface, where they react with the hydrated cement paste. This reaction causes the formation of a new compound, called calcium hydroxide. Calcium hydroxide is much less stable than the original cement paste, and it slowly dissolves in water. This process of dissolution weakens the concrete, and over time, can cause it to crumble and fall apart. 

Potassium Chloride

Potassium chloride is another type of chloride salt. It is often used in de-icing solutions, and can also be found in some fertilizers and potash mines. Like sodium chloride, potassium chloride also forms ions when it dissolves in water. These ions react with the hydrated cement paste to form potassium hydroxide, which is also less stable than the original cement paste. Over time, this compound will also dissolve in water, causing the concrete to weaken and eventually fail. 

Calcium Chloride

Calcium chloride is the most effective type of de-icer for concrete surfaces, but it is also the most corrosive. When calcium chloride dissolves in water, it forms calcium ions and chlorine atoms. The chlorine atoms are highly reactive and attack any nearby material that contains oxygen, including concrete. The attacking action of chlorine atoms causes microscopic cracks to form in the concrete surface. These cracks allow moisture and other corrosive agents to penetrate into the concrete, leading to further deterioration.. 

How to Protect Your Concrete from Chloride Salts.

The Importance of a Good Concrete sealer

A good concrete sealer is important because it will act as a barrier between the concrete and the chloride salts. There are many different types of concrete sealers on the market, so it is important to choose one that is specifically designed for chloride salt protection. 

The Different Types of Concrete Sealers

There are two main types of concrete sealers: penetrating sealers and surface sealers. Penetrating sealers penetrate into the concrete and form a barrier against water and chloride salts. Surface sealers create a barrier on the surface of the concrete that repels water and chloride salts. 

How to Apply a Concrete Sealer

It is important to follow the manufacturers instructions when applying a concrete sealer. In general, you will want to clean the concrete surface before applying the sealer, then apply the sealer according to the instructions.

Conclusion

It is important to protect your concrete from chloride salts in order to prevent concrete deterioration. There are a number of different types of chloride salts, but the most common are sodium chloride, potassium chloride, and calcium chloride. A good concrete sealer will help to protect your concrete from these salts and keep it looking its best.

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