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Sealed Surface Maintenance FAQ

Answers to common questions about paver sealing & maintenance

We get lots of questions from our clients about paver sealing & maintenance. Here are the answers to some of the most common paver sealing questions we get each day on the job.

Question: Water is no longer beading on my pavers—what can I do?

Answer: If your pavers are soaking up water, we could do a light cleaning and add a coat of sealant to bring back the color, which will help the pavers bead water again.

Question: I see a lot of mildew in the paver joints near my screen enclosure. I tried cleaning these areas, but it appears the mildew is beneath the sealant and can’t be removed without removing the sand in the joints.

Answer: We always see at least a little bit of algae on screen enclosures; it grows on the screen, and the screen traps moisture, which accelerates the spreading. Algae will always break down any coating, especially on sand joints where moisture sets. It needs low-pressure cleaning with chlorine or bleach when any growth appears. You can do this with a pump sprayer– add 1 part chemical & 5 parts water, and let sit for 15 minutes. Reapply where necessary, and then rinse with a hose.

We’d be happy to clean the screen for you and/or provide you with fresh sand and add more sealant. If the screen is kept clean and/or sources of algae are controlled if possible, this should prevent you from seeing the problem return for at least 2 years.