Do Pavers Need Sealing After Pressure Washing? Sarasota Cleaning & Sealing Costs

What’s Involved in Professional Driveway and Paver Cleaning?

Gorilla Kleen cleans driveways and pavers in a set order: treat stains first, wash the whole surface with a wide spray, then re-sand the joints and seal if the surface is pavers. That order follows the Interlocking Concrete Pavement Institute’s cleaning guide.¹

The order matters because each step sets up the next one. A sealer applied over a leftover oil spot locks the stain in, and sealer over dry, half-empty joints can’t hold the sand in place.

1. Walk the surface and pretreat stainsOil, rust, and tire marks each need their own cleaner, applied before the main wash so the stain has time to lift.
2. Protect plants and shut off sprinklersNearby beds get wetted down or covered, and irrigation stays off through cleaning, sealing, and drying.
3. Wash the whole surfacePavers get a wide spray at a low angle so joint sand stays put. Concrete can take more, and 200-degree hot water cuts through oil and grease.
4. Remove white haze if it’s thereEfflorescence, the chalky white film on concrete pavers, comes off with a dedicated cleaner before any sealer goes on.
5. Rinse and manage the runoffWash water heads toward storm drains on most driveways, so we collect, filter, and recycle it where needed.
6. Re-sand the jointsFresh joint sand goes into every gap the wash opened up, then the surface dries.
7. SealOne coat of Seal-n-Lock goes on, and the area stays clear of cars and furniture until the sealer cures.

Pressure Washing vs. Paver-Safe Cleaning: What’s the Difference?

A concrete driveway can take a harder wash, but pavers sit on a bed of sand, so cleaning them has to lift dirt without blasting sand out of the joints. That difference changes the nozzle, the angle, and what happens after the wash.

Layer thicknesses from ICPI Tech Spec 2.¹ A narrow, high-pressure jet strips the joint sand first.

Concrete driveways

Poured concrete is one solid slab with no joints to protect, so it handles a stronger wash. Oil drips from cars, rust from sprinklers, and tire marks are the usual problems, and each needs pretreatment before the wash. Hot water does most of the work on oil and grease. Property managers dealing with the same stains across a lot can see our commercial concrete and parking lot cleaning.

Paver driveways, walkways, and pool decks

ICPI’s guide puts professional paver cleaning at 600 to 2,000 psi, with a wide spray at a low angle so the water lifts dirt without digging into the joints.¹ Get closer or narrower than that and the first thing to go is the sand between the pavers. That sand is what keeps each paver from rocking loose, so every paver wash ends with re-sanding. Pool decks get the same treatment, and if there’s a screen enclosure above, it makes sense to clean both on one visit. See our guide to cleaning the pool cage above a paver deck.

Efflorescence: the white haze on pavers

If your pavers look chalky or white after rain, you’re likely seeing efflorescence. ICPI describes it as a calcium carbonate deposit that rises out of the concrete as it gets wet and dries, and notes that it doesn’t affect the pavers’ strength.¹ It does need to come off before sealing. Sealer applied over efflorescence locks the haze in.

Do Pavers Need to Be Sealed After Pressure Washing?

Pavers don’t have to be sealed, but Gorilla Kleen recommends it for Sarasota and Manatee County homes because sealing is what keeps a fresh wash from wearing off in one rainy season. Gorilla Kleen seals with Seal-n-Lock products.

ICPI calls a freshly cleaned pavement the right moment to stabilize the joints or seal.¹ The surface is as clean as it will ever be, and the joints have just been refilled.

What sealing does

Joint sand, weeds, and ants

Paver manufacturer Nicolock recommends polymeric sand in the joints before sealing. It’s a fine sand with a binder that hardens when it gets wet.³ Seal-n-Lock’s own sealers are built to stabilize joint sand as they seal.⁴ Between the two, the joints stay full, which keeps the pavers tight and leaves weeds and ants less room to move in.

Florida sun, rain, and salt air

Sarasota-Bradenton averages 49.05 inches of rain a year, and about 29.5 inches of it falls from June through September.⁵ Every one of those storms works at open joints and soaks into unsealed pavers. Add year-round sun and, for homes on Longboat Key or along the bay, salt air, and unsealed pavers have a lot working against them.

Water-based vs. solvent-based sealers

Paver sealers come in two broad types. Solvent-based sealers need fully dry pavers. Seal-n-Lock’s sealers are water-based, low-VOC formulas that penetrate the paver and stabilize the joints.⁴ More sealer isn’t better: Nicolock warns that heavy coats trap moisture and can peel or turn cloudy white, which is why one even coat is the standard.³

How Much Does Driveway and Paver Cleaning Cost?

Nationally, pressure washing a driveway averages about $225 for 600 square feet, or $0.30 to $0.40 per square foot, according to Fixr.² Paver driveways run $195 to $225 for the same size before sealing, a little more than concrete at $180 to $200.

Dots mark the middle of each range. Source: Fixr, updated January 2025.²

Bundling usually lowers the per-surface cost, so a driveway, walkway, and pool deck in one visit costs less than three separate trips. For more on how exterior jobs are priced, see what drives exterior cleaning prices.

How Often Should Driveways and Walkways Be Cleaned?

Most Sarasota driveways and walkways need cleaning about once a year, and sealed pavers need a fresh coat of sealer every 3 to 5 years, the interval paver manufacturer Nicolock recommends.³ Driveways with daily car traffic and pool decks in full sun tend to wear sealer at the faster end of that range.

The water test for resealing

Sprinkle a little water on a few pavers. If it beads up, the sealer is still working. If it soaks in and darkens the paver within a minute, the sealer has worn through and it’s time to reseal.

New pavers

Nicolock advises waiting 6 to 12 months after installation before the first seal.³ ICPI notes that efflorescence on new pavers can peak within about 60 days, so the wait lets it surface and get cleaned off before sealer goes on.¹

Frequently Asked Questions