Efflorescence on new pavers is a white, powdery film that forms when water pulls soluble salts out of the concrete or sand base and leaves them on the surface; it's common in Brevard County because salty air, intense UV and frequent rain keep the cycle going. The haze can be scrubbed off and stopped with proper cleaning, sealing and drainage.
When the paver mix contains excess water or when the sand underneath holds moisture, salts dissolve and travel to the surface as the paver cures. As the water evaporates, the salts crystallize and appear as a faint white haze that looks like dust.
In our experience the most common sources are residual lime from the cement, mineral content in the sand, and runoff from nearby construction sites. The salts don't damage the paver itself, but they can make the surface look neglected if they're not addressed quickly.
The salty breezes off the Atlantic, the high humidity of summer thunderstorms, and the occasional surge of hurricane rain create a perfect environment for water to move through the joints and carry salts upward.
UV rays break down the protective film that some installers apply, letting more moisture penetrate. After a heavy downpour, the water sits in the joints for hours, giving the salts time to migrate. When the sun dries the surface, the crystals are left behind and become visible.
For new pavers the safest approach is a low‑pressure wash combined with a mild acidic cleaner; this lifts the salt without etching the surface.
Start by sweeping debris, then apply a diluted vinegar solution (one part vinegar to four parts water) and let it sit for five minutes. Use a garden‑type pressure washer set to 1500 psi, rinse thoroughly, and allow the pavers to dry completely before sealing. Avoid harsh chemicals that can degrade the binder.
Sealing the pavers creates a barrier that slows water absorption, while proper drainage redirects runoff away from the joints.
Install a polymer‑based sealer after the pavers have cured for at least 30 days; this is the typical window recommended in Florida. Check that the base is compacted and that the joint sand is polymer‑filled to reduce water movement. Regularly sweep away sand and debris, and schedule a professional cleaning before the next hurricane season.
Q: Does efflorescence mean the pavers are failing?
A: Not usually. The crystals are just salts that have moved to the surface. The paver itself remains structurally sound, but the appearance can worsen if water keeps cycling through the joints.
Q: Can I use bleach to remove the white haze?
A: Bleach can kill vegetation but it doesn't dissolve the salts. It may also damage the sealant if one is already applied. A mild vinegar solution is safer and works just as well on new pavers.
Q: How often should I reseal my patio in Brevard?
A: Most contractors recommend resealing every two to three years in coastal Florida, especially after a heavy hurricane season. Ask for a written warranty that specifies the recommended maintenance schedule.
Q: Will a professional cleaning remove all the salt?
A: A thorough low‑pressure wash with an appropriate cleaner will remove the visible crystals. Some microscopic salt may remain, but a fresh sealant will lock it in and prevent re‑appearance.
Want a straight answer for your own driveway or patio? Groundworks gives every Brevard homeowner a free written estimate — call or text (321) 586-9227.
— Groundworks Pavers & Turf · licensed & insured · Brevard County, FL
Related: paver sealing on Merritt Island.