Tips on Successful Paver Sealing

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There is ongoing debate about whether it is necessary to use a sealant to your pavers. Some people opt for sealant to enhance the color and protect against staining. Others like the natural appearance, decreased costs and maintenance of unsealed pavers.

If you are thinking about sealing your pavers on your own, it's important to note that the application process can be a bit challenging. To achieve the best outcomes, it is advisable to do your research on various sealants and their application methods. Alternatively, you can hire a pro to handle the task for you.

Here are a few tips:

Let the Efflorescence Disappear First

Efflorescence is a whitish residue that forms on pavers due to natural salts and minerals found in the materials used to make them. Although it may not look pleasant, efflorescence eventually goes away on its own. To be safe, it is recommended to wait at least 90 days (or even longer, a year if you want to play it safe) before you seal your pavers to make sure the efflorescence is no longer there.

Thoroughly Clean the Pavers

Aside from having no efflorescence, your pavers should be free from any debris or stains. The sealant can highlight existing stains, so it's important to have a clean surface before sealing.

Let the Pavers Completely Dry

Make sure the pavers are completely dry before you begin sealing. After washing the pavers, allow them sufficient time to completely dry. In warm and sunny climates, a few hours may be enough for the pavers to completely dry and be ready for sealing. But in cooler climates or shady areas, it is best to wait at least 24-48 hours before proceeding with the sealing process.

Plan Around the Weather. 

Make sure you’ll have at least 24-48 hours of dry weather after you apply the sealant, because getting the pavers wet after applying the sealant can ruin your results. It is crucial to check the forecast and ensure that there is no rain expected during this period.

Aim for a Warm Day 

The recommended temperature range for applying sealant is between 50 and 90 degrees. However, the best temperature is about 75 degrees and you’ll want plenty of sun. If the pavers are too hot when the sealant is applied, they can become stained, age prematurely, and begin to peel. Remember that solvent-based sealant products often evaporate more quickly than water-based, so it’s best to apply them at a lower temperature.

Spray the Paver Sealant On

To make the application process easier and ensure an even coat of sealant, use a pump up sprayer. Every hardware store will carry an application sealer. The sprayer will help you work faster and achieve better results.

Saturate the Pavers with Your Sealant

It's important to get the pavers completely wet with the sealant. You’ll want to get it onto every crevice. After applying the sealant, you can go over it with a dry roller to soak up any excess to avoid leaving behind lines and drip marks.

Apply the Sealant in One Go

When applying the sealant, try to avoid taking breaks. It's best to maintain a wet edge on a continuous area. Once you start working, it's recommended to finish the job without interruptions.

Let the Sealant Completely Cure on the Pavers

After applying the sealant, allow for proper curing time. Ensure the weather will be dry for at least 48 hours so the sealer can fully cure. And don’t forget to turn off automatic water sprinklers during this time if you have them. If the sealer doesn't cure properly, getting water on them can create white marks or stains, and may even get sealed into the paver. Avoid walking or driving on the freshly sealed pavers for around 48 hours after you’ve applied the sealant.

Remember that the sealant will wear over time, and it's necessary to reapply it every 3 to 5 years. Keep an eye out for signs of wear and tear. Even a change in color after rainfall, can indicate that the sealant is giving way. When you notice these signs, it's time to consider stripping the sealant and starting fresh again

For a video walkthrough on sealing pavers, check out this video:


Enjoyed the article?

You can find more great content here:

Sealing Pavers: How, Why, and Things to Consider

How to Avoid Disaster When Sealing Concrete Pavers

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