Paver Cleaning, Re-Sanding & Sealing in Jacksonville, FL

Before any sealer goes down, the pavers have to be clean — genuinely clean, not just rinsed off. Dirt, algae, and organic buildup sit in the texture of the paver surface and in the joints, and if that gets sealed in, it's stuck there. That's one of the most common mistakes homeowners run into when they try to handle this themselves or hire someone who skips straight to sealing.

In Jacksonville, the main things that typically need to be removed include:

• Dirt and grime that builds up from foot traffic, landscaping, and general exposure
• Algae and organic growth, especially on shaded patios, north-facing walkways, and areas near sprinklers or irrigation
• Surface staining from rust, tannins, tree sap, or oil drips on driveways
• Weathering, which shows up as a dull, faded look compared to how the pavers looked when they were installed
• Efflorescence — that white, chalky residue that forms when minerals in the paver or the base material rise to the surface as moisture evaporates

Efflorescence in particular is worth mentioning because it's often confused with a cleaning problem when it's really a moisture issue working its way out of the paver. It usually needs a different cleaning approach than surface dirt, and sealing over it without addressing it first tends to trap the problem rather than fix it.

Proper cleaning matters because sealer is a topcoat — it locks in whatever is underneath it. A clean, dry surface is what lets the sealer bond properly and actually look good once it's applied.

Why Jacksonville's climate makes this a recurring issue: Humidity and shade are a big part of why algae and organic growth show up as often as they do on local patios and walkways, especially in areas that don't get much direct sun. That's not a one-time cleanup — it's an ongoing condition of the climate here, which is part of why cleaning tends to come up again every year or two rather than being a single fix.

Sealing is the step that pulls everything together. Once the pavers are clean and the joints are re-sanded, a sealer gets applied to the surface to help protect the work that's already been done and improve how the pavers look.

A good sealer application can:

• Bring back color and contrast in the pavers, especially on units that have faded or gone chalky over time
• Add a layer of protection against stains, UV exposure, and everyday wear
• Help lock the new joint sand in place, reducing how much washes out over time
• Make routine cleaning easier, since dirt and grime have a harder time bonding to a sealed surface than a bare one

There are a couple of finish options worth understanding before you decide what you want:

Wet-look sealer darkens the pavers and adds a glossy sheen, similar to how they look right after a rain. It tends to make colors pop more and gives driveways and patios a noticeably richer appearance.

Matte or natural-look sealer protects the surface without changing its look much. It's a common choice for homeowners who want the protective benefits of sealing without the shine.

Neither option is objectively "better" — it comes down to the look you're going for and the type of paver you're working with. What does matter is sequencing: sealer applied over dirty pavers or unfilled joints doesn't hold up, and it usually shows every flaw underneath it within a season or two.

Sun and weather exposure are the main reason sealing gets recommended in the first place. Jacksonville pavers see a lot of UV exposure and seasonal rain, and that combination is what drives the fading and dulling that sealing is meant to address.

The right sealer isn't universal — it depends on the paver material, the current surface condition, whether there's an existing coating already on the pavers, and the finish you want. Concrete pavers, brick pavers, and natural stone like travertine don't all take sealer the same way: travertine's porosity generally calls for a formulation suited to natural stone, brick can need different prep due to efflorescence, and a surface with old, failing sealer usually needs that coating addressed before a new layer goes on. Matching the sealer to the material is part of what determines how the finished job actually looks and holds up.

Not sure if your pavers actually need service, or if it's just cosmetic? Here are the signs that usually mean it's time:

• Faded or dull appearance compared to when the pavers were first installed
• Visible dirt, algae, or dark staining across the surface
• Weeds or grass growing up through the joints
• Missing or low joint sand, especially along edges and high-traffic areas
• Stains from rust, oil, tannins, or organic debris that won't come off with regular rinsing
• White, chalky patches (efflorescence) on the surface
• Water soaking in quickly instead of beading, which often means an old sealer has worn off
• Pavers that feel loose or shift slightly underfoot

If you're noticing two or three of these at once, that's usually a sign the pavers need more than a quick rinse — cleaning, re-sanding, and sealing together tend to address the underlying issue rather than just the surface symptom.

Sealing isn't just spraying a product onto pavers and calling it done. It's the last step in a sequence, and skipping steps or rushing the order is the most common reason a sealing job doesn't hold up.

The order matters for a practical reason: cleaning removes dirt, algae, and staining that would otherwise get sealed underneath the coating. Drying time lets moisture escape the pavers and the base material so the sealer can bond correctly instead of trapping moisture beneath it. Re-sanding fills the joints so the sealer has something solid to lock in place, rather than sealing over gaps that will just wash out later. And the sealer itself needs to match the paver type and the finish you're after, applied at the right thickness and coverage.

Skip any one of those steps, and the results usually show up fast — patchy color, sealer that peels or flakes, joint sand that keeps washing away, or a surface that traps moisture instead of shedding it. Preparation is what makes the sealing step actually worth doing.