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A Guide to Sealing a Block Paved Driveway: Tips and Techniques

Nov 24, 2023

If you have a block paved driveway, you may wonder how to keep it looking its best, aside from year-round maintenance. One option is to seal it. Sealing a block paved driveway can help protect it from the elements, prevent weed growth, and enhance its appearance. This guide will walk you through the steps to properly seal your block paved driveway.

Before you begin, it’s important to note that sealing a block paved driveway is not a one-time fix. It’s a maintenance task that should be done every few years to ensure your driveway stays in good condition. 

The frequency of sealing will depend on factors such as the amount of traffic on your driveway and the climate in your area. With that said, let’s get started on how to seal your block-paved driveway.

Why Seal Block Paving Driveway?

If you’ve recently installed a block paved driveway, you may wonder whether you should seal it. The answer is yes, you should seal it. Sealing your block paving is essential to protect your investment and ensure longevity.

Sealing your block paving provides a protective barrier against weather conditions, which can cause damage to the surface. Weather damage can lead to fading and wear and tear, making your driveway look dull and uninviting. By sealing your block paving, you can protect it from the effects of weather and keep it looking best for longer.

It also helps prevent weeds and moss growth. These can quickly take root in the joints of your block paving, causing unsightly stains and damage to the surface. By sealing your block paving, you can prevent weeds and moss from taking hold and keep your driveway looking clean and tidy.

Moreover, it is an investment in the long-term durability of your driveway. By protecting the surface from damage and wear and tear, you can ensure that your driveway lasts for many years to come. Learn more about the benefits and maintenance of block paving driveways here.

What Preparation You Need for Sealing Block Paving?

Before sealing your block paved driveway, you must prepare the surface. Proper preparation ensures the sealer will adhere well to the surface and provide maximum protection. Here are the steps you need to follow for preparation:

Cleaning

The first step is to clean the surface thoroughly. Regular maintenance, such as sweeping and removing debris, can help clean your driveway. 

However, a deep clean is necessary before sealing. Use a pressure washer to remove dirt, moss, algae, and other contaminants. If you don’t have a pressure washer, hire one or use a hose and a stiff-bristled brush. Wear safety equipment, such as gloves and goggles, when pressure washing.

Weed and Moss Removal

Weeds and moss can grow between the blocks and cause damage to the surface. To prevent weed growth, remove any existing weeds and moss. Use a wire brush to remove it. Be sure to remove all the roots to prevent regrowth. You may need to use a weed killer if the weeds are extensive.

Efflorescence Removal

Efflorescence is a white powdery substance that appears on the surface of the blocks. It’s caused by water evaporation and can be removed with an efflorescence remover. Apply the remover according to the manufacturer’s instructions and rinse it with water.

Oil Stain Removal

Oil stains can be removed with a degreaser. Apply the degreaser to the stain and scrub it with a stiff-bristled brush. Rinse off the degreaser with water.

Lichen Removal

Lichen can grow on the surface of the blocks and cause damage. To remove lichen, use a lichen remover. Apply the remover according to the manufacturer’s instructions and rinse it with water.

Following these steps will ensure your block paved driveway is ready for sealing. Proper preparation will help the sealer adhere better and provide maximum protection.

How to Choose the Right Products for Sealing Block Paving?

When sealing a block paved driveway, choosing the right products is essential to ensure the best results. Various sealers and sealants are available on the market, each with unique properties and benefits.

Consider Paving Material Compatibility

  • Different sealers are designed for specific types of block paving.
  • Choose a product compatible with the specific paving material of your driveway.

Evaluate Performance Needs

  • Determine the level of performance required from the sealer.
  • Premium polyurethane sealers like Everest Trade – Block Paving Sealer offer high-performance and long-lasting protection against water, oil, and stains.

Preparation Products

  • Use additional products for driveway preparation.
  • Everest Trade Paints Ultimate Driveway Cleaner can remove dirt, grime, and contaminants.
  • Everest Trade Paints Oil Stain Remover is effective for stubborn oil stains.

Application Tools and Techniques

  • Employ high-quality tools and solvents during the sealing process.
  • Follow the manufacturer’s instructions meticulously for a smooth and even finish.

How to Seal a Block-Paved Driveway?

Sealing your block paved driveway is a straightforward process that can help to protect it from the elements and keep it looking great for years to come. Here’s a step-by-step guide to sealing your driveway:

  1. Clean the surface: Before sealing your driveway, you should clean it thoroughly. Use a pressure washer or hose to remove any dirt, debris, or weeds from the surface. Ensure the surface is completely dry before moving on to the next step.
  2. Re-sand the joints: The jointing sand between the blocks can become worn or washed away over time. To ensure the joints are properly filled, you should re-sand them before sealing. Use kiln-dried sand and a soft brush to fill the joints, ensuring they are filled. Sweep away any excess sand.
  3. Apply the first coat: Once the surface is clean and the joints are filled, it’s time to apply the sealer. Use a roller or sprayer to apply the first coat of sealer to the surface, making sure to cover the entire area. Be careful not to apply too much sealer, as this can cause the surface to become tacky.
  4. Wait for the first coat to dry: After applying the first coat, you should wait for it to dry completely. The drying time will depend on the type of sealer you are using, but it is usually between 2 and 4 hours. Check the manufacturer’s instructions for specific drying times.
  5. Apply the second coat: Once the first coat is dry, you can apply the second coat of sealer. It will help to ensure that the surface is properly protected. Again, use a roller or sprayer to apply the sealer, making sure to cover the entire surface.
  6. Wait for the sealer to dry: After applying the second coat, you should wait for the sealer to dry completely. It can take up to 24 hours, depending on your sealer. Check the manufacturer’s instructions for specific drying times.
  7. Enjoy your newly sealed driveway: Once the sealer is completely dry, you can start using your driveway again. The surface should be touch dry and ready for use, but it’s best to avoid heavy traffic for at least 24 hours to allow the sealer to cure fully.

When applying the sealer, following the manufacturer’s instructions carefully is essential. Make sure that you apply the sealer evenly and cover the entire surface. A rolling kit or sprayer can help ensure the sealer is applied evenly.

The appearance of the surface after sealing can vary depending on the type of sealer you are using. Some sealers can darken the surface slightly, while others can leave a glossy finish. Check the manufacturer’s instructions for information on the appearance of the sealer.

It’s also important to note that the coverage information and drying times can vary depending on the type of sealer you are using. Check the manufacturer’s instructions for specific information on these factors.

Post-Sealing Care Tips

Now that you have successfully sealed your block paved driveway taking care of it properly is essential to ensure it lasts for a long time. Here are some tips for post-sealing care:

Regular Maintenance

Regular maintenance is crucial to keep your block paved driveway looking good and functioning properly. Sweep it with a soft-bristled sweeping brush regularly to remove any dirt, debris or leaves that may accumulate on the surface. It will help prevent the growth of biological growths such as mould and algae.

Avoid Heavy Traffic

After sealing your block paved driveway, avoiding heavy traffic for at least 24 hours is best. It will give the sealer enough time to dry and cure properly. If possible, avoid parking heavy vehicles on your driveway, as they can cause damage to the protective layer.

Be Careful with Power Washers

While power washers can be used to clean your block paved driveway, it is essential to use them carefully. Use a commercial power washer with a low-pressure setting to avoid damaging the surface of the paving. Only use a power washer on new block paving once it has had time to settle and set.

Protect from Rain

After sealing your block paved driveway, protecting it from rain for at least 24 hours is important. If it rains before the sealer has had time to dry and cure properly, it can wash away the sealer and reduce its effectiveness.

Seasonal Care

During the summer months, keeping your block paved driveway well-watered is important to prevent it from becoming too dry. During the winter months, it is important to keep the driveway clear of snow and ice, as these can cause damage to the surface of the paving.

Consistent Level

Maintaining a consistent level of sand in the joints between the blocks is important. If the sand level drops too low, it can cause the blocks to shift and become uneven. If the sand level is too high, it can cause the blocks to crack or become damaged.

Following these post-sealing care tips ensures that your block-paved driveway looks good and functions properly for years.

Professional Help

If you are not confident in sealing your block paved driveway yourself, it is always best to seek professional help. A professional can ensure that the job is done correctly and they have the necessary tools and experience to complete the task efficiently.

One of the tools that professionals use is the Marolex Industry 12 – 12 Litre Professional Sprayer. This sprayer can cover a large area quickly and evenly, making it ideal for sealing a block paved driveway. It is also durable and can withstand the harsh chemicals used in the sealing process.

Another option for professionals is the ProDec Professional 12″ Roller Application Kit. This kit includes everything needed to apply a sealant to a block paved driveway, including a roller, tray, and extension pole. The roller is designed to apply the sealant evenly and smoothly, ensuring a professional finish.

When choosing a professional to seal your driveway, ask for references and check their reviews online. A reputable professional will have no problem providing references and should have positive reviews from previous customers. You can check out Discover Paving and Landscaping for your paving and landscaping needs.

Frequently Asked Questions

What are the pros and cons of using a block paving sealer on a driveway?

Using a block paving sealer on your driveway can help to protect it from the elements, prevent weed growth, and keep it looking new for longer. However, applying it can be expensive and time-consuming, and it may not be necessary if your driveway is in good condition.

Which is the best sealant for block-paved drives?

Many different types of sealants are available for block-paved drives, including acrylic, polyurethane, and epoxy. The best one for your driveway will depend on factors such as the type of paving, the level of traffic it receives, and your budget. You should consult with a professional to determine which sealant is best for your specific needs.

Is it worth sealing block paving driveway?

Sealing a block paved drive can help to protect it from damage, prevent weed growth, and keep it looking new for longer. However, applying it can be expensive and time-consuming, and it may not be necessary if your driveway is in good condition. Ultimately, sealing your driveway will depend on your needs and preferences.

How do you fill gaps in block paving?

To fill gaps in block paving, you must remove any debris or weeds from the gaps using a wire brush or pressure washer. Next, you can fill the gaps with a sand mixture or a jointing compound. Be sure to follow the manufacturer’s instructions carefully to ensure that the gaps are filled in properly.

What steps should be taken to seal block paving after sand?

Clean the driveway’s surface using a pressure washer and a wire brush to seal block paving after sand. Next, you can apply the sealant using a roller or a sprayer. Follow the manufacturer’s instructions carefully to apply the sealant evenly and thoroughly.

Does sealing block paving prevent weeds from growing?

Sealing block paving can help prevent weeds from growing by creating a barrier between the driveway’s surface and the soil. However, it is essential to note that no sealant can completely prevent weed growth, and you may still need to perform regular maintenance to keep your driveway weed-free.

paul mattimore discover paving

Paul Mattimore

Paul is the Founder of Discover Paving & Landscaping. With over 20 years experience in the trade, Paul has a mountain of knowledge when it comes to crafting the perfect outdoor area. He still oversees every single job delivered by Discover, ensuring the highest of standards which have led to multiple awards including the Marshalls Best Driveway Transformation.