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Concrete is a popular and versatile material used in construction. It is durable, long-lasting, and can withstand harsh weather conditions. However, concrete is also porous, which means it can absorb water, chemicals, and other substances that can cause damage over time. To protect your concrete and extend its lifespan, it is essential to seal it properly.

The Ultimate Guide to Concrete Sealing: How to Do It Right

In this ultimate guide to concrete sealing, we will cover everything you need to know about how to do it right. From the types of concrete sealers to the application process, we’ve got you covered.

Why Should You Seal Your Concrete?

Before we dive into the details of how to seal your concrete, it’s essential to understand why it’s necessary. Concrete is porous, which means it can absorb water and other substances. When this happens, it can cause damage to the concrete, such as cracking, spalling, and staining.

Sealing your concrete can help prevent these issues from occurring. It creates a protective barrier that repels water, chemicals, and other substances, keeping your concrete looking great and extending its lifespan.

Types of Concrete Sealers

There are several types of concrete sealers available on the market today. Each type has its unique characteristics, benefits, and drawbacks. Here are some of the most common types of concrete sealers:

Acrylic Sealers

Acrylic sealers are a popular choice for sealing concrete. They are easy to apply, dry quickly, and provide a glossy finish. However, they are not as durable as other types of sealers and may require more frequent reapplication.

Epoxy Sealers

Epoxy sealers are incredibly durable and long-lasting. They create a hard, protective layer over the concrete, making it resistant to water, chemicals, and abrasion. However, they can be challenging to apply and require a lot of preparation.

Penetrating Sealers

Penetrating sealers are designed to penetrate the concrete’s surface and create a protective barrier from within. They are ideal for outdoor concrete surfaces as they allow the concrete to breathe while protecting it from water and other substances.

How to Seal Your Concrete

Now that you know why it’s essential to seal your concrete and the types of sealers available let’s dive into the application process. Here’s how to seal your concrete:

Step 1: Clean the Surface

Before applying the sealer, you need to clean the surface thoroughly. Remove any dirt, debris, and stains using a pressure washer or a stiff-bristled brush. Allow the surface to dry completely before proceeding to the next step.

Step 2: Apply the Sealer

Once the surface is clean and dry, it’s time to apply the sealer. Follow the manufacturer’s instructions carefully, and use a roller or sprayer to apply the sealer evenly. Be sure to wear protective clothing and a mask to avoid inhaling any fumes.

Step 3: Allow the Sealer to Dry

After applying the sealer, allow it to dry completely. This typically takes between 24 and 48 hours, depending on the type of sealer and the weather conditions.

Step 4: Apply a Second Coat (Optional)

If necessary, apply a second coat of sealer to ensure maximum protection. Be sure to follow the manufacturer’s instructions and allow the sealer to dry completely before using the surface.


Sealing your concrete is essential for protecting it from water, chemicals, and other substances that can cause damage over time. By following the steps outlined in this ultimate guide to concrete sealing, you can ensure that your concrete remains in excellent condition for years to come. Whether you choose an acrylic sealer, epoxy sealer, or penetrating sealer, be sure to follow the manufacturer’s instructions carefully and apply the sealer evenly for the best results.

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