Clean pavers by clearing debris, wetting the surface, scrubbing with a mild cleaner, and rinsing thoroughly.
Dirty pavers can make an entire patio or walkway look neglected, even when the rest of your yard is immaculate. The good news is that restoring them doesn’t require expensive equipment or harsh chemicals. With a stiff brush, a hose, and a little elbow grease, you can bring most concrete, brick, or stone pavers back to life in an afternoon. Here’s the process that works, along with what to avoid so you don’t damage the surface or the sand holding it together.
What You’ll Need Before You Start
Gather these common items before you begin cleaning pavers. Most are probably already in your garage or shed.
- Stiff-bristled broom or scrub brush
- Garden hose with a spray nozzle
- Mild dish soap or a dedicated paver cleaner (avoid harsh chemicals)
- Bucket of water
- Weed puller or scraper
Belgard’s how-to guide for cleaning pavers recommends removing furniture and planters first, sweeping up loose dirt, and pulling weeds before you wet anything. That prep work keeps the actual cleaning step from just pushing debris around.
The Basic Cleaning Process
Skip the pressure washer for routine maintenance. A regular hose and brush handle most dirt and grime without risking damage to the paver surface or the sand joints between them.
Start by wetting the pavers thoroughly with your hose. This loosens dried-on dirt and helps your cleaning solution spread more evenly. Then, if you’re dealing with more than light dust, mix a small amount of mild dish soap into your bucket of water. Scrub the surface in a back-and-forth motion with your stiff brush, paying extra attention to areas with visible staining or buildup. Rinse the soap away completely with clean water, and check whether any spots need a second pass.
For stained areas like oil or grease, UniLock recommends blotting spills promptly with an absorbent material, then starting the stain removal with water and high-pressure spray, repeating as needed. The sooner you treat a spill, the easier it is to remove.
Pressure Washing Pavers: The Do’s and Don’ts
Pressure washing pavers works, but only with the right technique. Using too much pressure or the wrong nozzle can blast the sand out of the joints, which will make the pavers shift and sink over time.
| What To Do | What To Avoid |
|---|---|
| Use a fan tip nozzle, ideally 25° or 40° | Never use 0° or 15° pinpoint nozzles |
| Keep the wand about 15 cm (6 inches) from the surface | Don’t hold the wand too close or at a steep angle |
| Hold the wand almost vertically | Don’t blast directly into the joint lines |
| Move slowly in steady, sweeping passes | Don’t linger in any one spot |
| Test on a small, hidden area first | Don’t blast directly into the joint lines |
Kärcher’s cleaning guide recommends using a dirt-cutter or rotating nozzle and sweeping up loosened weeds after washing. Specifically, they advise holding the pressure washer almost vertically, keeping about 15 cm of distance, and moving slowly and steadily across each paver. Multiple sources warn against blasting water directly into the joint lines, as this can remove the sand and destabilize the entire patio.
Safe pressure ranges vary by material. Commonly cited figures fall between 500 and 1500 PSI, though some sources go higher for concrete. If your pavers are natural stone or clay brick, use a gentler setting. If you’re not sure what PSI your machine is putting out, start low and test on an inconspicuous paver.
What to Avoid and When to Re-Sand
Stick with plain water or a mild detergent, and use pressure washing sparingly for tougher jobs.
After washing, check the joint lines between your pavers. If you notice sand missing or washed away, re-sand the joints to restore stability. This is a simple fix that keeps your patio solid and prevents weeds from taking hold in the gaps. Sweep polymeric sand into the joints, then water it lightly to activate the binding agents.
If your pavers are already beyond a simple cleaning and you’re ready to invest in something stronger, our roundup of top-rated concrete paver cleaners covers the products that actually work.
Regular maintenance keeps the job quick. Sweeping pavers weekly and rinsing them monthly will cut down on the deep cleans you’ll need to schedule.
FAQs
Can I use bleach to clean my pavers?
A mild dish soap diluted in water is a safer option that cleans effectively without the risk of etching or discoloring your hardscape.
Will a pressure washer damage my paver joints?
Yes, a pressure washer can damage paver joints if used incorrectly. Blasting water directly into the joint lines can wash away the sand that holds pavers in place, causing them to shift or sink. Using a fan tip nozzle, keeping the wand moving, and maintaining a proper distance will minimize this risk.
How often should I clean my pavers?
Most patios benefit from a thorough cleaning once per year, ideally in spring before heavy outdoor use begins. Regular sweeping and quick action on spills will reduce the need for deep cleaning. High-traffic areas may need attention twice a year, while sheltered patios can often go longer.
References & Sources
- Kärcher. “Cleaning Pavers.” Details pressure washer technique, nozzle choice, and distance for cleaning pavers.
- Belgard. “How to Clean Pavers.” Step-by-step manual cleaning process, including debris removal and rinsing.
- UniLock. “Removing Stains from Pavers.” Guidance on blotting spills and starting stain removal with water and high-pressure spray.
