An asphalt driveway may look tough and resistant to the elements, but, in fact, seasonal temperature fluctuations can quickly cause it to deteriorate into an eyesore… especially with our Quebec weather.

During the summer months, the sun's intense heat dries out the asphalt surface and causes it to oxidize. Soon, a network of hairline cracks will develop on the surface. In the winter, water entering into these cracks will freeze and cause them to expand.

How to Protect an Asphalt Driveway

Like everything else that concerns our homes, maintenance is key. A driveway is no exception. Every year or two, you need to properly seal your driveway to help protect it from the elements.

The process for sealing an asphalt driveway is fairly simple and is a great DIY project for homeowners. Of course, you can always hire a company to do the job, but you can save about half of the cost if you do it yourself.

Seal an Asphalt Driveway in Four Easy Steps


Step 1 – Planning

Sealing your asphalt driveway is best done in the spring or fall. It can also be done during summer time as long as it is not too hot. The ideal temperature is between 15°C and 25°C. It is important that you plan according to the weather forecast in order to ensure a stretch of at least 3 days without rain. You also want to avoid foot traffic on your driveway for at least 24 hours and parked vehicles for at least 72 hours.

Using the right tools and quality products will make your project that much easier and the result, that much better. Here’s what you need: a stain remover brush, a slit foam roller, a paintbrush and a paint tray. Make sure you have all the required products for the job. Techniseal® offers a line of high-end products to clean, repair and seal your asphalt driveway.

For more information, go on the company’s website:

Step 2 – Clean the Asphalt

Wash the entire asphalt driveway with water and ensure that it is completely dry before moving on to the next step. If required, remove any oil stains using a brush and an asphalt grease cleaner. Then, apply a primer where stains have been removed. Again, ensure that the primer is completely dry before moving on to the next step.

Nettoyage de l'asphalte
Réparation de l'asphalte

Step 3 – Repair the Asphalt

If necessary, repair any cracks or damaged areas on your asphalt driveway before applying the sealer. The type of product you will use will depend on the size of the cracks and on the extent of the damages. Fillers and patching compounds are specifically designed for the width of the cracks and the depth of the damaged area. Read the entire label before using any product to ensure correct application and only use as directed.

Step 4 – Apply the Sealer on the Asphalt

Finally, you are ready to apply the protective sealer on the asphalt. Before you begin, make sure you read the instructions carefully. Wear appropriate clothing without any exposed skin, as these products will stain.

Apply the sealer with a foam roller using similar techniques for painting the interior of your house. Begin with the area of the driveway closest to your house and make your way out to the end of your driveway in ten-foot sections at a time. Use a paintbrush for the edges.

A second coat may be required for best results. Wait at least 24 hours before applying the second coat following the same method.

Scellant sur l'asphalte

For more information, check out this great video from Techniseal®: