Sealing Driveway after Pressure Washing [2023 Updated]

If you’ve recently had your driveway pressure washed, you may be wondering if you need to take the extra step of sealing it. After all, pressure washing can remove years of built-up grime and dirt, so why bother with sealing? However, sealing your driveway can provide numerous benefits, such as protecting it from stains, reducing the chances of cracking, and extending its lifespan. 

Sealing Driveway after Pressure Washing: It’s recommended to seal your concrete driveway after pressure washing as it can prevent damage from weather and other factors, while also improving its overall appearance. This can ultimately save you money in the long run by extending its lifespan.

In this blog, we’ll explore the reasons why you should consider sealing your driveway after pressure washing, as well as the best practices for doing so.

Pros of sealing a concrete driveway after pressure washing

When it comes to maintaining your concrete driveway, pressure washing can be an effective way to remove dirt, grime, and other unsightly stains. Simply cleaning the surface is not enough to ensure the longevity and durability of your driveway.

That’s where sealing comes into play. By applying a protective sealant to your concrete driveway after pressure washing, you can enjoy several benefits that can prolong its lifespan and enhance its appearance. Following are some of the top pros of sealing a concrete driveway after pressure washing. 

Enhanced appearance

The enhanced appearance of a sealed concrete driveway is one of the key benefits of sealing it after pressure washing.

Sealing the driveway helps to bring out its natural color and shine while protecting it from stains and discoloration caused by weather, oil spills, and other substances. The sealant also makes it easier to clean the driveway, ensuring that it remains looking new for longer.

By sealing your concrete driveway after pressure washing, you can give it a fresh and attractive appearance that adds to the overall curb appeal of your property.

Protection from stains and damage

Sealing a concrete driveway after pressure washing can provide protection from stains and damage. The sealant acts as a barrier between the surface of the driveway and any potential contaminants, such as oil or grease, which can cause unsightly stains or damage the surface.

Sealing can also prevent water from seeping into the concrete, which can cause cracking and other structural damage over time. Sealing a concrete driveway after pressure washing can help to extend the life of the driveway and keep it looking its best.

Prolonged lifespan of the driveway

Sealing a concrete driveway after pressure washing can lead to a prolonged lifespan of the driveway. By sealing the concrete, you can protect it from damage caused by weather, oil, and other contaminants.

The sealant can also prevent water from penetrating the concrete and causing cracks, which can lead to further damage over time.

In addition, sealing the driveway can enhance its appearance and make it easier to clean in the future. Ultimately, sealing a concrete driveway after pressure washing can be a worthwhile investment that can save you money in the long run by reducing the need for repairs or replacement.

Improved slip-resistance

The improved slip-resistance is one of the benefits of sealing a concrete driveway after pressure washing. Sealing the concrete can make it less slippery by adding a textured surface that increases friction.

This is especially important in areas that receive a lot of rain or snow, as wet surfaces can be extremely slippery and hazardous.

By improving the slip-resistance of your driveway, you can ensure the safety of your family and guests, as well as reduce the risk of accidents and injuries.

Cons of sealing a concrete driveway after pressure washing

After pressure washing your concrete driveway, it may seem like a good idea to apply a sealant to protect it from future damage. While sealing can certainly help prevent cracks, stains, and other wear and tear, there are also some potential downsides to consider. 

Below are the cons of sealing a concrete driveway after pressure washing, including possible damage to the concrete, increased maintenance requirements, and the risk of unsightly discoloration over time. By understanding these potential drawbacks, you can make an informed decision about whether sealing your driveway is the right choice for you.

Initial cost of sealing

The initial cost of sealing a concrete driveway after pressure washing is an necessary factor to consider. While sealing can provide long-term benefits such as protection against damage from weather and chemicals, it also comes with a cost. 

Homeowners should expect to pay for the sealant material, tools, and potentially professional installation if they are not comfortable doing it themselves. Weigh the benefits against the cost and determine if sealing is the right choice for their individual situation.

Regular maintenance and reapplication

Sealing a concrete driveway after pressure washing has its drawbacks, including the need for regular maintenance and reapplication. While it can protect your driveway from damage and extend its lifespan, the sealant may wear down over time, requiring reapplication. 

Regular maintenance, such as cleaning and resealing, is necessary to keep your driveway in top condition. If neglected, cracks and stains may develop, requiring costly repairs. Therefore, consider these factors before deciding to seal your concrete driveway after pressure washing.

Possible issues with improper application

Sealing a concrete driveway after pressure washing is generally a good idea as it can help protect the surface from future damage and extend its lifespan. However, if the sealing process is not done properly, it can result in several issues. Here are some of the possible cons of sealing a concrete driveway after pressure washing:

• Trapped moisture: If the concrete is not completely dry before applying the sealer, it can trap moisture beneath the surface, leading to bubbles, discoloration, and even delamination of the sealer.
• Streaking or uneven finish: Improper application of the sealer can result in streaking or an uneven finish on the surface of the driveway. This can be caused by using too much sealer in some areas or not enough in others.
• Peeling or flaking: If the concrete was not thoroughly cleaned before sealing, the sealer can adhere to dirt or other contaminants on the surface rather than the concrete. This can cause the sealer to peel or flake off over time.
• Slipperiness: Some sealers can make the surface of the driveway slippery when wet, which can be a safety hazard, especially if the driveway is on an incline.
• Discoloration or yellowing: If the wrong type of sealer is used or if the sealer is exposed to sunlight for extended periods, it can cause discoloration or yellowing of the concrete.

Environmental considerations

While sealing a concrete driveway after pressure washing can help to protect it from damage and extend its lifespan, there are some potential environmental considerations to keep in mind:

• Chemicals in sealants: Some concrete sealants contain chemicals that can be harmful to the environment. For example, some sealants may contain volatile organic compounds (VOCs) that can contribute to air pollution.
• Runoff into waterways: When you apply sealant to your driveway, there is a risk that it may run off into nearby waterways, such as streams or rivers. This can introduce harmful chemicals into the water and harm aquatic life.
• Disposal of sealant containers: After you have finished using the sealant, you will need to dispose of the container it came in. If you do not do this properly, it could end up in a landfill or other area where it may pose a risk to the environment.

To minimize the environmental impact of sealing your concrete driveway, choose a sealant that is low in VOCs and follow the manufacturer’s instructions carefully.

You can also consider using a sealant that is designed to be more eco-friendly, such as one made from natural materials. Additionally, be sure to dispose of any leftover sealant and the container it came in properly, following local guidelines for hazardous waste disposal.

Types of concrete sealers

Here are some of the different types of concrete sealers and their properties to help you make an informed decision about which one is right for your driveway.

Whether you’re looking for a sealer that offers protection against stains, water damage, or UV rays, there’s a concrete sealer out there that can meet your needs. So let’s dive in and take a closer look at the different types of concrete sealers available.

Acrylic sealers

Acrylic sealers are a popular type of sealer used for concrete driveways. They are water-based and provide a clear, glossy finish that enhances the appearance of the concrete.

Acrylic sealers are easy to apply and provide good protection against water, stains, and UV rays. They are also available in a range of sheen levels, from matte to high gloss, so you can choose the level of shine that suits your preferences.

Although, acrylic sealers may require reapplication every few years, as they tend to wear away over time.

Penetrating sealers

Penetrating sealers are a type of concrete sealer that penetrates deep into the concrete surface to provide protection against water, salt, and other contaminants.

They work by filling the pores and capillaries of the concrete with a protective barrier, which prevents water and other substances from entering and causing damage. Penetrating sealers are a popular choice for driveways, as they do not change the appearance or texture of the concrete, and are effective for several years before needing to be reapplied.

Note that penetrating sealers do not provide protection against stains or oil spills, so additional measures may be necessary to protect your driveway in these cases.

Polyurethane sealers

Polyurethane sealers are a type of concrete sealer that provide a durable and long-lasting protective layer to your driveway. They are available in both solvent-based and water-based formulas and can be applied with a roller, sprayer or brush.

Polyurethane sealers are resistant to water, chemicals, and UV rays, making them ideal for use on concrete surfaces that are exposed to the elements. They also offer a glossy finish that enhances the appearance of your driveway.

While polyurethane sealers can be more expensive than other types of sealers, they offer superior protection and longevity, making them a good investment for your concrete driveway.

Epoxy sealers

Epoxy sealers are a type of concrete sealer that can provide a durable and long-lasting finish to your driveway.

They consist of two parts, a resin and a hardener, which are mixed together before application. Epoxy sealers can be used to create a high-gloss finish that is resistant to chemicals, stains, and abrasions. They may not be the best choice for outdoor use, as they can yellow and degrade when exposed to UV rays.

Follow the manufacturer’s instructions for application and to ensure that the surface is clean and dry before applying the sealer.

Step by Step: Sealing your concrete driveway after pressure washing

In the following paragraphs, we are going you through the process of sealing your concrete driveway after pressure washing. By following these simple steps, you can help to extend the life of your driveway and keep it looking its best for years to come.

Step 1. Assess the condition of your driveway

The first step in sealing your concrete driveway after pressure washing is to assess its condition. This involves checking for any cracks, stains, or other damage that may require repair before applying a sealant.

By taking the time to thoroughly inspect your driveway, you can ensure that the sealant will effectively protect and enhance its appearance for years to come.

Step 2. Choose the right sealer for your needs

When it comes to sealing your concrete driveway after pressure washing, choosing the right sealer is crucial. There are different types of sealers available in the market, and each one has its own set of benefits and drawbacks.

Therefore, it’s essential to consider your needs and the condition of your driveway before making a decision. For example, if you want to enhance the color and shine of your concrete driveway, a glossy sealer may be the best option.

On the other hand, if you’re looking for a more natural look, a penetrating sealer may be the way to go. Also, you should also consider factors such as the climate in your area, the level of traffic on your driveway, and the type of stains you want to protect against.

By choosing the right sealer, you can ensure that your concrete driveway remains protected and looks great for years to come.

Step 3. Properly clean and prepare the surface

Step 3 of sealing your concrete driveway after pressure washing involves properly cleaning and preparing the surface for the sealant.

This includes removing any stains or debris from the driveway, allowing it to dry completely, and applying a concrete cleaner or etching solution if necessary.

It’s important to ensure the surface is completely clean and free of any contaminants before applying the sealant to ensure proper adhesion and long-lasting results.

Step 4. Apply the sealer according to manufacturer instructions

After pressure washing your concrete driveway, apply a sealer to protect it from future damage. The fourth step in the process is to apply the sealer according to the manufacturer’s instructions.

It’s crucial to read and follow the instructions carefully to ensure proper application and optimal results. The sealer should be applied evenly with a sprayer or roller, and any excess should be removed promptly.

The drying time may vary based on the product and weather conditions, but it’s recommended to wait at least 24 hours before using the driveway again. Proper application of the sealer can extend the lifespan of your concrete driveway and protect it from harsh elements like UV rays, freeze-thaw cycles, and oil spills.

Step 5. Allow ample drying time

After pressure washing and cleaning your concrete driveway, it’s essential to allow ample drying time before sealing it.

The drying time will depend on various factors such as weather conditions, humidity levels, and the type of sealer used. Typically, it’s recommended to wait at least 24-48 hours before applying the sealer to ensure that the concrete is fully dry.

Failing to allow enough drying time can lead to poor adhesion and a cloudy or hazy finish. It’s crucial to avoid foot and vehicle traffic during the drying period to prevent any damage or imprints on the concrete surface.

Tips for maintaining a sealed concrete driveway

Here are the tips for maintaining a sealed concrete driveway, including how often to reseal it, how to clean it, and what to avoid. With these tips in mind, you’ll be able to keep your driveway looking great and protected for years to come.

Keep it clean

A sealed concrete driveway can provide an attractive and durable surface for your home’s entrance. However, like any outdoor surface, it requires regular maintenance to keep it looking its best.

One essential aspect of this maintenance is keeping your driveway clean. Here are some tips to help you keep your sealed concrete driveway clean:

• Sweep regularly: Sweep your driveway regularly to remove any dirt, leaves, or debris that may have accumulated on the surface. Use a stiff bristle broom and sweep in a back and forth motion, ensuring that you get into all the crevices and corners.
• Use a pressure washer: A pressure washer is an effective tool for cleaning concrete surfaces. Use it to blast away any dirt or grime that has accumulated on your driveway. However, be careful not to use too much pressure as this can damage the surface.
• Use a concrete cleaner: For tougher stains such as oil or grease, you may need to use a concrete cleaner. Follow the instructions on the cleaner carefully, and ensure that you rinse it off thoroughly with water.
• Treat any stains promptly: If you notice any stains on your driveway, such as oil, grease, or rust, it’s essential to treat them promptly. The longer you leave them, the harder they will be to remove.
• Avoid using harsh chemicals: While it’s essential to keep your driveway clean, it’s equally important not to damage the surface. Avoid using harsh chemicals such as bleach, ammonia, or acid-based cleaners, as these can damage the surface and compromise the seal.
• Reseal your driveway regularly: Over time, the seal on your driveway will wear off, leaving it vulnerable to damage from the elements. It’s essential to reseal your driveway regularly to protect the surface and keep it looking its best. The frequency with which you need to reseal your driveway will depend on the type of sealant you used, the climate, and the amount of traffic your driveway receives.

Repair cracks and damage promptly

Address any cracks or damage on your concrete driveway as soon as possible to prevent them from becoming bigger problems.

Repairing cracks and damage promptly can help to maintain the structural integrity of your driveway and prevent water from seeping into the cracks, which can cause further damage. Regular maintenance and repair can also extend the lifespan of your driveway and help to keep it looking its best.

Reapply sealer as needed

Over time, the protective layer of sealant can wear away due to weather and other factors, leaving the driveway vulnerable to damage. By reapplying sealer as needed, homeowners can prolong the lifespan of their driveway and keep it looking its best.

It is recommended to check the driveway every few years and look for signs of wear and tear, such as cracks or discoloration, and reapply sealer accordingly.

Use appropriate de-icing products

When maintaining a sealed concrete driveway, use the appropriate de-icing products. Some de-icing products can damage the concrete or deteriorate the sealant, leading to premature wear and tear.

It’s best to avoid using products that contain harsh chemicals like ammonium sulfate or ammonium nitrate, which can cause the concrete to weaken and crumble over time. Instead, opt for de-icing products that are specifically designed for use on concrete surfaces, such as calcium magnesium acetate (CMA) or potassium acetate.

These products are gentler on the concrete and won’t cause damage to the sealant, ensuring that your driveway stays in good condition for years to come.

Alternatives to sealing a concrete driveway

While sealing a concrete driveway after pressure washing is a common practice, it may not always be necessary or practical.

Depending on your specific circumstances, there may be alternative options that can help protect your driveway and keep it looking its best. Below are some of the alternatives to sealing a concrete driveway and their potential benefits. 

Using permeable pavers

The use of permeable pavers is an alternative to sealing a concrete driveway. These pavers allow water to penetrate the surface and be absorbed into the ground rather than pooling on the driveway. This can be particularly beneficial in areas with heavy rainfall or where water runoff is a concern.

Permeable pavers can enhance the aesthetic appeal of a driveway and are a more environmentally friendly option compared to traditional concrete or asphalt surfaces. The cost of installation may be higher than sealing a concrete driveway, and regular maintenance is necessary to ensure the pavers remain functional and effective.

Stamped or decorative concrete surfaces

Stamped or decorative concrete surfaces are a popular alternative to traditional concrete driveways. These types of surfaces can be customized with a variety of colors, patterns, and textures to create a unique and attractive look.

One advantage of stamped or decorative concrete is that it does not require sealing like traditional concrete. However, it is still important to properly maintain these surfaces to ensure their longevity and appearance.

Exposed aggregate driveways

Exposed aggregate driveways are a type of concrete driveway that has a unique and decorative finish. The surface of these driveways has small stones or pebbles that are exposed through the concrete. Exposed aggregate driveways are durable and resistant to wear and tear.

However, they require regular maintenance to keep them looking their best. Pressure washing can be an effective way to clean an exposed aggregate driveway, but it is not recommended to seal them as the sealer can interfere with the aesthetic of the exposed stones.

Instead, it is recommended to use a concrete densifier to protect the surface and enhance its appearance. Moreover, regular cleaning and maintenance can prevent the need for sealing or other costly repairs.

Conclusion

If you want to maintain the longevity and appearance of your concrete driveway, then sealing it after pressure washing is highly recommended. Sealing will protect your driveway from oil and other stains, as well as prevent water from seeping in and causing cracks.

After pressure washing your concrete driveway, you might be wondering whether it is necessary to seal it. While pressure washing can remove dirt and grime from the surface, it doesn’t protect the concrete from future damage.

Sealing your driveway can help to prevent stains, cracks, and other forms of damage caused by weather, oil spills, and other factors. However, there are both pros and cons to sealing your concrete driveway, and weigh them carefully before making a decision. 

Frequently Asked Questions (Sealing Driveway after Pressure Washing)