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The Complete Guide to Tarmac Sealing Your Driveway: Process and Benefits Explained

  • Writer: Lewis Wilkinson
    Lewis Wilkinson
  • Nov 2
  • 4 min read

Tarmac sealing is not just a maintenance chore; it’s a smart investment for homeowners and commercial property owners alike. A well-sealed driveway not only enhances your property's curb appeal but also extends its lifespan, saving you time and money in the long run. In this guide, we’ll walk you through the entire tarmac sealing process while highlighting the numerous advantages it can offer.


What is Tarmac Sealing?


Tarmac sealing involves applying a protective sealant over a tarmac driveway. This sealant functions as a robust barrier, protecting the surface from weather damage—like rain and snow—UV rays, and oil spills. For instance, a properly sealed driveway can reduce the likelihood of cracking and fading by 50%. Investing in tarmac sealing helps you maintain a clean and visually appealing driveway while significantly extending its life.

two pictures that show a tarmac driveway before and after tarmac sealing
A one car driveway before and after tarmac sealing

The Process of Tarmac Sealing


Step 1: Preparation


Preparation is key to a successful sealing job. Start by thoroughly cleaning the driveway to eliminate dirt, debris, and existing oil stains. Using a pressure washer ensures that your tarmac surface is spotless. For best results, consider using a detergent that can help break down tough stains. Cleaning will improve the sealant's adhesion, making the application process much smoother.


Step 2: Repairing Damage


After cleaning, carefully inspect the surface for cracks or potholes. According to industry statistics, unsealed cracks can widen by up to 10 times during winter temperature fluctuations. Use a quality filler for cracks and a patching compound for potholes, allowing these repairs to cure as directed on the product label.


Step 3: Choosing the Right Sealant


Choosing the right sealant is crucial for optimal performance and visual finish. We have used several sealants and have observed the difference in others. We now have a chosen brand as a go to for its better quality barrier, organic regrowth prevention and smooth line free finish. Its colour and natural look is a favourite of ours too. Some cheaper brands can create lines, be too watery and can dry in a way that looks off or unnatural.


Step 4: Application


Now it’s time to apply the sealant. A squeegee, roller a spray applicator will work well, depending on the sealant type you have chosen. Make sure to apply an even coat, and work in small areas to prevent overlaps and puddles. A good rule of thumb is to apply two thin coats rather than one thick coat for better durability. We have found that a good roller painting technique gives us the best results for a natural and line free finish while avoiding puddling or overspray/overspill.


Two images of a driveway: top shows a faded tarmac surface, bottom shows a freshly resealed, darker surface. Brick house and green grass border.
A tarmac driveway before and after sealing

Step 5: Curing Time


Curing time is vital for ensuring a long-lasting finish. The sealant usually requires 24 to 48 hours to cure fully, depending on weather conditions like humidity and temperature. During this period, avoid driving or walking on the driveway. Keeping it clean and free from traffic will result in a more durable surface. Dependant on weather or temperature, our service at Wilkinson Window Wash can last up to a few days.


Benefits of Tarmac Sealing


Enhanced Durability


One of the standout benefits of tarmac sealing is its ability to enhance durability. Sealants effectively shield the surface from the everyday wear and tear caused by environmental factors and heavy traffic. Research shows that properly maintained driveways can last up to 30% longer than unsealed driveways.


Improved Appearance


A freshly sealed driveway looks impressive and polished. The dark, rich finish can make your property more attractive and inviting. In fact, homeowners often report a 20-30% increase in curb appeal after tarmac sealing. Regular sealing is critical for retaining this attractive look over the years. This can be a good low cost investment when selling a property to increase the value and invite more interest.


Cost-Effective Maintenance


Tarmac sealing is a practical way to reduce long-term maintenance costs. By preventing damage and minimizing repair needs, you could save up to 70% on restoration expenses compared to not sealing. It’s a small investment that pays off handsomely by lengthening the life of your driveway.


Resistance to Stains


Sealants provide a robust barrier against common driveway stains from oil, gasoline, and other substances. For example, if a vehicle leaks oil, a sealed driveway can be cleaned easily with soap and water, preserving its appearance. This resistance greatly simplifies maintenance efforts.


UV Protection


UV rays can fade and damage tarmac over time. A quality sealant protects against this deterioration, helping to maintain the driveway’s colour and integrity. For homeowners in sunny climates, using a sealant with strong UV protection can add years to the life of a driveway.


Increased Property Value


A well-maintained driveway can also boost your property’s market value. Buyers prefer homes with minimal maintenance requirements, and a sealed driveway signals to potential buyers that the property is well cared for. Properties with neat, sealed driveways can see a price increase of up to 10% during resale.


Final Thoughts


Tarmac sealing is a process that offers multiple benefits, from enhanced durability to improved appearance. Contact us at Wilkinson Window Wash to arrange a quote for your tarmac driveway to be sealed. Regular maintenance, including tarmac sealing, not only enhances your driveway's looks but also increases your property's value. If you haven’t considered sealing your driveway, now is the perfect time to start!


Two images show a driveway before and after it has been sealed. The driveway transitions from tarmac to tarmac sealed which looks more black.
A newer driveway can be protected and enhanced with a tarmac sealer

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