How to Apply Driveway Sealer: A Step-by-step Guide

The way to apply a driveway sealer is easy, and you need a few tools to accomplish the task.

However, sealing the driveway requires some prior tasks to do before applying the sealer. It varies depending on the type of the driveway surface.

In this tutorial, I’m considering you have a blacktop driveway.

Allow me to guide you through the steps on “how to apply driveway sealer” following the most effective and easiest ways.

Before you start the proceedings, make sure you have gathered these tools –

So, without any further delay, let’s get the ball rolling.

How to Apply Driveway Sealer – Five Dead Simple Steps

Pro Tip: It’s quite essential to choose a sunny day to apply the driveway sealer. It should be at least 50-degree and start working as early as possible in the morning. It will give ample time to cure the sealer properly.

Step 1: Cleaning the Surface

Cleaning the Surface

Before you start applying the sealer, make sure to prepare the surface.

First, remove the weeds and moss if there is any.

Then, use the leaf blower to remove all the leaves, debris, grim, pebbles, etc. No matter if you had to remove any weeds or not, you must remove these residues.

Next, see if the surface contains any oil stains or not. If it has any stains, then use the degreaser to remove those.

After that, give the surface a deep clean. Use the hose-end sprayer with some detergent in it. Any regular detergent will get the job done well.

You can use the pressure washer at this stage to get even better results. Pressure washing is not mandatory but if you do so, make sure you are using a 15-degree nozzle.

Once you are done with washing out the surface, you will want to use the leaf blower or the push broom to remove any remaining particles out.

Before moving to the next steps (i.e., step 2: filling the cracks), let the surface dry properly. There is nothing like you have to give a certain amount of hours to let it dry before applying the crack filler. Just make sure it dries, and there is no standing water.

Step 2: Filling the Cracks

Filling the Cracks

Fill up any cracks (if there is any) with the crack filler.

When you are applying the crack filler, make sure you are putting enough filler to fill the cracks. At the same time, confirm that you are not over applying it so that it isn’t clearly visible even after using the driveway sealer.

To fill up the small cracks (less than ½”), a crack filler bottle is good enough. After applying the filler, let it dry for at least 4 hours (best if 8 hours).

But if there’s a large crack (bigger than ½”) in the middle of the driveway, you should use the driveway patch and tamper to fill the cracks up. In this case, you should give the surface set for a couple of weeks before you apply the sealer.

Pro Tip: Better follow the manufacturer’s instruction on time required to cure the filler or patch before applying the sealer.

Step 3: Mixing the Sealer

Mixing the Sealer

This is another vital step that many users miss out on when applying a driveway sealer.

Mainly, if you are sealing a blacktop driveway, it’s quite an essential task to mix the sealer properly before applying. It’s because the blacktop driveway sealers are typically very thick, and blending it for at least 5 minutes will give you the best output.

You can mix the solution in several ways. The most effective way is to attach a mixer with a drill. If you don’t want to use a drill, you can simply use a woodblock or whatever you find it easy to blend the solution well.

I understand it’s a bit of an unexciting task to mix the solution for about 5 minutes. But don’t skip this step.

Step 4: Seal the Edge First

Seal the Edge First

Sealing the edge with a paintbrush is essential if the driveway’s top meets with the garage or any other structure.

Otherwise, it will black out some unwanted areas if you start pouring the sealer from the top edge of the driveway.

Step 5: Apply the Sealer

Apply the Sealer

Once you are done cutting in around the edge with a paintbrush, you are at the last step, which is applying the sealer throughout the rest of the area.

First, pour the sealer along the width of the driveway line by line. Once you complete pouring the first line, stop. It’s time to spread it using the push broom.

Ideally, you will want to deal with 4×4 feet square at a time, pulling the sealer with the broom to cover one direction first, then the other direction.

Working fast will help to blend the sealer evenly during the first coat.

Some driveway sealers require only one coat to get the best results; some require a second coat.

If you need to go for a second coat, give enough time to dry the sealer after the first coat as per manufacturer’s recommendation.

Pro Tip: If you are using multiple buckets of the sealer, then when one bucket gets through half the way, intermix the next bucket. It will help to maintain a steady color and consistency.

Final Words

This is how easy it is to apply a driveway sealer that any DIYers would be able to do without any hassle.

You don’t need to hire any professionals to seal your driveway if you follow the above simple steps. Following each stage as per my guideline is essential to get the best results.

Don’t go cheap in choosing the driveway sealer.

Here I guessed that you have a blacktop driveway. If that’s not the case, then purchase the high-quality sealer based on the driveway type like concrete, asphalt, etc.

I’ve written a separate review guide on the best driveway sealer. There I’ve mentioned some top-notch solutions with their benefits and pitfalls to help you choose the best bet for you.

Related Resources:
#1. The 5 Main Paver Types Explained By Real User
#2. The 6 Main Paving Types Explained By Real User

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