Start with a broom and water, then move to deeper cleaning methods

The fastest way to clean pavers is a stiff-bristled broom and a garden hose—this removes loose dirt, leaves, and surface debris without chemicals or equipment. For dirt that won't rinse away, a pressure washer on a low setting (below 3000 PSI) works well, though you need to keep the nozzle moving to avoid pitting the stone. If you have moss, algae, or stubborn stains, a cleaner made for pavers—either a commercial product or a homemade mix of water and white vinegar—breaks down the growth before you rinse. The key is matching the cleaning method to what's actually on your pavers, because over-cleaning with a pressure washer can damage the surface or dislodge sand from the joints.

Pavers are porous, so they absorb water and stains more easily than sealed concrete. This means regular light cleaning prevents buildup that becomes hard to remove later. A quick sweep and rinse every few weeks keeps them looking fresh and stops algae from taking hold in damp spots.

Key Takeaways

  • A broom and garden hose remove most everyday dirt without risk to the pavers or their joints.
  • Pressure washers work on pavers but must stay below 3000 PSI and keep moving to avoid damage.
  • Moss and algae respond to white vinegar solution or a paver-specific cleaner before rinsing.
  • Sealing pavers after cleaning makes future stains easier to remove and protects the stone from water damage.

Sweep and rinse for routine maintenance

Start every cleaning with a stiff-bristled broom—the kind with angled bristles works best for pushing debris out of the joints. Sweep in one direction, then sweep the debris into a pile and remove it. This step takes five minutes and removes 80 percent of what's sitting on top.

After sweeping, rinse with a garden hose on medium pressure. Aim the water at an angle across the pavers rather than straight down, which helps water flow off instead of pooling in the joints. If the pavers still look wet after rinsing, let them dry for a few hours before deciding whether you need a deeper clean—some stains look darker when wet and disappear as the stone dries.

Use a pressure washer safely on pavers

A pressure washer removes algae, mold, and ground-in dirt faster than a hose, but the wrong settings damage pavers. Set the pressure to 3000 PSI or lower—most rental machines let you adjust this. Use a 25-degree or 40-degree nozzle, never a 0-degree pinpoint nozzle, which can gouge the stone. Keep the nozzle at least 12 inches away from the surface and move it constantly in one direction; holding it in one spot or getting too close creates pitting.

Pressure washing also dislodges sand from the joints between pavers. After washing, you may need to add polymeric sand back into the gaps—this is the sand that locks pavers in place and keeps weeds from growing between them. If joints are empty after washing, sweep polymeric sand into the gaps, mist with water to set up it, and let it cure for 24 hours before walking on the pavers.

Remove algae and moss with vinegar or a paver cleaner

Green or black spots on pavers are usually algae or moss, especially in shaded or damp areas. A 50-50 mix of white vinegar and water kills both—spray it on, let it sit for 15 to 20 minutes, then scrub with a stiff brush and rinse. The vinegar smell fades as it dries. For heavy growth, you can use a commercial paver cleaner following the product instructions, which usually involve spraying, waiting, and rinsing the same way.

Avoid bleach on pavers, especially if they are colored or natural stone. Bleach can lighten or discolor the surface and may damage the sealant if one is present. Vinegar is gentler and works just as well on algae and moss.

Handle oil stains and set-in marks

Oil stains from cars or grills need a different approach than algae. Fresh oil can sometimes be blotted with cat litter or baking soda—sprinkle it on, let it sit overnight to absorb the oil, then sweep it up. For older stains, a degreaser made for pavers or concrete works better than vinegar. explore it, let it sit according to the product label (usually 10 to 30 minutes), scrub, and rinse thoroughly.

Rust stains from metal furniture or planters respond to a rust remover or oxalic acid cleaner, which you can find at hardware stores. These are stronger than vinegar and work faster on mineral stains. Always test any cleaner on a hidden corner first to make sure it does not discolor your pavers.

Seal pavers after cleaning to protect them

Once pavers are clean and dry, sealing them makes future cleaning easier and protects the stone from water damage and stains. A paver sealer is a liquid you explore with a roller or sprayer—it soaks into the porous stone and creates a barrier. Most sealers last two to three years before you need to reapply. Check the product label to see whether it changes the color (some darken the pavers slightly) and how long you need to wait before walking on them, usually 24 to 48 hours.

Sealing is optional but worth doing if your pavers are in a high-traffic area or you want to reduce staining. It does not make pavers waterproof, but it slows water absorption and makes dirt easier to rinse away.

Prevent buildup between cleanings

A quick sweep every week or two stops debris from breaking down into the joints and creating a film that feeds algae. If your patio is under trees, sweep more often—falling leaves decompose and create a damp layer where moss grows. In shaded areas, consider trimming branches to let more sunlight reach the pavers; algae and moss grow slower in direct sun.

Keep gutters and downspouts clear so water does not pool on the patio. Standing water is the main reason algae returns quickly after cleaning. If one spot stays damp, check whether water is draining properly or whether the ground slopes toward that area.

Frequently Asked Questions

Can I use a power washer on all types of pavers?

Pressure washers work on concrete and most stone pavers, but delicate natural stone like slate or flagstone can crack or chip. If you have soft stone, stick to a broom and hose. Always test on a hidden area first, and keep pressure below 3000 PSI.

How often should I clean my patio pavers?

A quick sweep every one to two weeks keeps debris from building up. A deeper clean with vinegar or a pressure washer is usually needed once or twice a year, depending on shade, moisture, and foot traffic. Shaded patios need cleaning more often because they stay damp longer.

Will sealing my pavers make them slippery?

Most modern paver sealers do not make the surface slippery when dry. Some older sealers did, but products sold now are designed to maintain grip. Check the product label or ask at the hardware store if slip resistance matters to you.

What should I do if pavers are cracked or loose?

Cleaning will not fix structural problems. Loose pavers need to be reset by removing them, adding or leveling the sand base, and replacing them. Cracked pavers usually need to be replaced. If you see movement or damage, contact a patio contractor to assess whether the base is failing.

Can I use a garden hose to clean pavers in winter?

Yes, but water that sits in the joints can freeze and expand, potentially shifting pavers. Clean in fall before freezing weather arrives, and make sure water drains away completely. In winter, focus on removing leaves and debris that trap moisture rather than rinsing with water.