My name is Sal Ferraro, and I’ve spent the last 18 years installing, repairing, and maintaining paver patios across Staten Island — mostly the south shore, from Tottenville up through Great Kills, where the salt air off the water works differently on hardscaping than it does further inland. There’s a patio in Tottenville, down near the shore end of the island, that I’ve walked past for years. When it went in, the joints were crisp and the pavers sat flat. Five years on, weeds are pushing up between every stone, two corners have sunk, and the surface has that gray, chalky look of pavers that were never sealed. Nothing about it failed structurally — it just wasn’t maintained. That’s the honest truth about paver patios: they’re durable, but on Staten Island’s salt air and freeze-thaw swings, they need a little attention or they get shabby fast.
Sealing protects the surface — it doesn’t fix a sunken patio
Let me clear up the biggest misconception first, because I still run into it on almost every estimate. Sealing a paver patio doesn’t hold the pavers together and it doesn’t fix a sunken patio. Sealing does two things: it protects the surface color from UV fading and staining, and — with the right product — it locks the joint sand in place so weeds and ants can’t take over. That’s it. If your patio is heaving or dipping, that’s a base problem, not a sealer problem, and no coating will save it. I keep those two ideas separate for every homeowner because people spend money sealing a patio that actually needs its base rebuilt instead.
Out here around Tottenville and Great Kills, the specific enemies are road salt tracked onto the patio in winter, coastal salt spray, and the freeze-thaw cycle that works water in and out of the joints. A good sealer slows all three down — it’s really joint-sand stabilization and surface protection as much as it’s “sealing” in the shiny-coating sense people picture.
The order I do things in: clean, dry, sand, seal
Timing and prep matter more than the brand of sealer you buy. Wait until new pavers have cured and any efflorescence has weathered off — usually 60 to 90 days, sometimes a full season. Then the sequence is: clean the whole surface, pull weeds and old joint sand, let it dry completely for a couple of dry days, sweep in fresh polymeric sand, and only then apply the sealer. Skip the drying step and you’ll trap moisture and get a cloudy white haze that’s a nightmare to remove.
Most solvent-based joint-stabilizing sealers give off strong fumes, so work in open air and wear proper protection — OSHA’s guidance on handling solvent-based chemical products safely is worth a look before you crack the pail.
| Item | Cost / Timing |
|---|---|
| DIY sealing materials | $0.50–$1.50 per sq ft |
| Professional clean, sand & seal | $1.50–$3.50 per sq ft |
| Resealing interval | Every 3–5 years (sooner near the water) |
| New paver cure time before sealing | 60–90 days, sometimes a full season |
| Lift-and-reset repair (sunken/rocking pavers) | $6–$15 per sq ft, depending on access |
What actually keeps a patio flat between sealings
Sealing is the easy part. Keeping a patio flat and clean is the ongoing work, and it’s the part most homeowners skip. Sweep and rinse it a few times a year so grit doesn’t grind the surface. Refresh polymeric joint sand as it wears down — open joints are how weeds and washout start. Keep an eye on the edges: if the edge restraint fails, pavers migrate and the field spreads. And watch your drainage. Water that pools and freezes is what pops pavers loose over a Staten Island winter. If you’re trying to decide whether sealing is even the right move for your particular stone, this piece on when sealing brick and stone helps and when it hurts lays out the trade-offs plainly, and a lot of it carries over to paver hardscaping too.
When it’s past sealing — and into lift-and-reset territory
Here’s where the inspector in me draws the line. If more than a few pavers have sunk, if you can rock them underfoot, or if a whole section dips and holds water, sealing is throwing good money after bad — the base underneath has washed out or settled and needs to be lifted and reset. That’s a $6 to $15 per square foot repair depending on access, not a weekend seal job. Cosmetic fading, minor staining, and open joints? Seal and sand, and you’ll get years more out of the patio. Sinking, rocking, and standing water? That’s structural, and no coating fixes it. I tell people this even when it means a smaller invoice for me — a resealed patio over a bad base just fails again in a year or two, and nobody wins there.
Questions I get asked about paver sealing on Staten Island
How often should I seal a paver patio on Staten Island? Every three to five years for most patios, and toward the shorter end for patios exposed to coastal salt spray or full afternoon sun — that covers most of the south shore, including Tottenville and Great Kills. Reseal sooner if the color looks faded or the joint sand is washing out.
Does sealing stop pavers from sinking? No. Sinking is a base or drainage problem, not something a sealer touches. Sealing only protects the surface and stabilizes joint sand — a sunken section has to be lifted and the base re-compacted, which runs $6 to $15 per square foot.
Can I seal pavers myself, or should I hire it out? You can do it yourself if you clean thoroughly, let everything dry, re-sand the joints, and apply in dry weather with good ventilation. Materials run $0.50 to $1.50 per square foot for DIY versus $1.50 to $3.50 per square foot for a pro to clean, sand, and seal. The most common DIY mistake I see is sealing over a damp surface, which causes a white haze that’s hard to strip back off. Subtropical sun and rain shorten the reseal interval, so a Miami driveway contractor will usually quote sealing as a recurring line rather than a one-off.
Is it worth repairing an old patio or better to replace it? If the sinking or rocking is limited to a section, a lift-and-reset repair at $6 to $15 per square foot is almost always cheaper than a full tear-out, and it lets you reuse the existing pavers. Full replacement only makes sense when the base has failed across most of the patio or the pavers themselves are cracked and spalling from years of freeze-thaw damage.
