A paver patio is close to the lowest maintenance outdoor surface you can build. There is no staining schedule like a wood deck and no resealing requirement like a concrete drive. Left completely alone it will still be there in 30 years.
But left completely alone it will also look 30 years old. The gap between a patio that ages well and one that looks tired is roughly four hours of work a year, spread across the right months.
This guide covers the whole job: routine cleaning, the annual deep clean, removing specific stains, dealing with moss and weeds in the joints, refilling joint sand, whether sealing is worth it, resetting sunken stones, and getting through an Indiana winter without damage.
The Maintenance Year at a Glance
Nothing here takes long. What matters is doing each task in the season it belongs to, since a deep clean in April and a deep clean in October are not equally useful.
If you only do one thing on this chart, keep the joints full. Sand in the joints is what locks the stones against each other. Once the joints empty out, individual pavers begin to move, and movement is how a flat patio stops being flat.
How to Clean a Paver Patio
Most cleaning is far simpler than the product aisle suggests. Start with the gentlest method that works and escalate only if it does not.
The Routine Clean
Sweep every few weeks through the growing season and rinse with a garden hose. That is genuinely most of it. Sweeping removes the organic debris that feeds moss and stains the surface, and it takes a few minutes.
The habit that matters most is clearing leaves promptly in fall. Wet leaves left on pavers for weeks leach tannins into the surface and leave brown outlines that are far harder to remove than the leaves would have been.
The Annual Deep Clean
Once a year, usually in spring, give the whole surface a proper wash.
- Clear the patio completely. Furniture, planters, grill. You want the full surface accessible.
- Sweep thoroughly. Get the debris off before it becomes mud.
- Pull weeds and scrape moss from the joints. Do this before wetting, since dry moss releases more easily.
- Wet the surface. Pre-wetting keeps cleaner from soaking in unevenly and leaving streaks.
- Apply a paver cleaner or a mild soap solution. Work in sections so nothing dries before you rinse it.
- Scrub with a stiff bristle brush. A deck brush on a pole saves your back and does most of the work.
- Rinse thoroughly. Push the dirty water off the patio rather than letting it dry in place.
- Check the joints and top up the sand. Cleaning always removes some. Refilling is part of the job.
Cleaning Without a Pressure Washer
You do not need one. A stiff brush, a bucket of warm water with dish soap, and a garden hose handle routine grime on any paver surface, and they carry zero risk of blowing out the joints.
For a mild organic film, a solution of white vinegar and water works on most concrete and stone pavers. Test it on an out of the way section first, since vinegar is acidic and can etch limestone and some natural stone. Avoid it entirely on porous stone.
Never use bleach on colored pavers. It lightens pigment unevenly, and the marks it leaves are permanent.
Pressure Washing Without Blowing Out the Joints
A pressure washer is fine on pavers. It is the technique that causes damage, and the damage is usually done in the first minute before anyone realizes what is happening.
- Use a wide fan tip. A 25 or 40 degree tip spreads the force. A 0 degree pencil tip concentrates it into a cutting jet.
- Keep the wand 12 to 18 inches off the surface. Close range is what etches the face of the paver and leaves permanent wand marks.
- Keep moving. Sweep steadily and never hold the spray in one spot, even for a second.
- Stay under about 2,000 psi. More pressure does not clean better on stone. It just removes more sand.
- Work at a shallow angle. Spraying across the surface rather than straight down keeps the force out of the joints.
- Plan to re-sand afterward. Even careful washing pulls sand out. This is expected, not a mistake.
Removing Specific Stains
Treat stains as soon as you find them. Nearly everything on this list comes out easily when fresh and becomes a project once it has had a season to set.
| Stain | What to use | Notes |
|---|---|---|
| Oil and grease | Absorbent first, then a degreaser | Cover fresh spills with cat litter or cornstarch to pull out what has not soaked in yet |
| Rust | An oxalic acid based rust remover | Household cleaners will not touch rust. Do not use chlorine bleach, which sets it |
| Leaf and tannin | Oxygen bleach solution and a stiff brush | Very common here in fall and usually lifts completely if caught in the same season |
| Mildew and algae | Oxygen bleach or a dedicated paver cleaner | Address the shade or drainage cause or it comes back every year |
| Efflorescence | A dedicated efflorescence remover | The white haze of mineral salts. Often fades on its own within a year on new work |
| Paint | A masonry safe paint stripper | Blot fresh spills, never wipe. Wiping drives paint into the surface pores |
| Grill grease and food | Dish soap and hot water, then degreaser | The most common patio stain and the easiest one if handled the same day |
| Moss stain after removal | Oxygen bleach and a brush | The green shadow left behind lifts after the growth itself is gone |
Always test any cleaner in an inconspicuous area first. Acidic products can etch natural stone, and strong chlorine products can lighten colored concrete pavers permanently.
Moss, Weeds and Algae in the Joints
Nothing growing in your joints came up through the base. Seeds land on the surface, settle into the sand, and germinate in what is effectively a long narrow planter. That is good news, because it means the fix is at the surface.
- Pull weeds when the joints are damp. Roots release far more easily and you are more likely to get the whole thing.
- Scrape moss dry, then treat the stain. A joint knife or stiff brush lifts it. The green mark left behind comes out with oxygen bleach.
- Fix the cause, not just the growth. Moss means shade plus moisture. Trimming an overhanging branch does more than any product will.
- Keep the joints full. A full, compacted joint has very little room for a seed to establish. Empty joints are open invitations.
- Consider polymeric sand when you re-sand. It hardens into a semi solid joint and resists germination far better than plain sand.
- Boiling water works on isolated weeds. Cheap, immediate, and it leaves nothing behind. Not practical across a whole patio.
Avoid pouring salt or undiluted vinegar into the joints as a weed killer. Both work, and both also wash into the soil at the patio edge and kill whatever you have planted there.
Joint Sand: When and How to Re-Sand
This is the single most important maintenance item on a paver patio, and the one most homeowners have never thought about.
Check the joints once a year. If the sand has dropped more than about an eighth of an inch below the surface of the pavers, refill it. If you can see the sides of the stones or the joints look hollow, it is overdue.
How to Re-Sand
- Wait for a completely dry surface and a dry forecast. Damp joints will not accept sand, and polymeric sand is ruined by rain during curing.
- Sweep sand across the surface diagonally. Working at an angle to the joints fills them far better than sweeping along them.
- Run a plate compactor over the surface. This vibrates the sand down and seats the stones. Use a protective pad or plywood.
- Sweep in more and repeat. The joints will keep taking sand for two or three passes.
- Blow or sweep the excess off completely. Especially with polymeric sand, since residue left on the surface hazes when it sets.
- Mist per the product instructions if using polymeric. A gentle shower setting in stages, never a hard blast that floats the sand out.
- Plain joint sand. Cheap, easy, forgiving. It washes out faster and does nothing to stop weeds.
- Polymeric sand. Costs more and is less forgiving on installation, but it locks up, resists washout, and suppresses growth. Worth it for most patios.
Joint sand is one of the few maintenance items that connects directly back to how the patio was put together, since joint width and paver spacing determine how much sand it holds. Our walkthrough of how the joints and base were put together covers what should be under there.
Should You Seal a Paver Patio?
Sealing is optional. Concrete, brick and porcelain pavers do not need it to survive, and plenty of unsealed patios look excellent at 20 years. It is a preference with real tradeoffs rather than a requirement.
| Reasons to seal | Reasons not to |
|---|---|
| Deepens and enriches the color | Adds a recurring cost every 3 to 5 years |
| Makes stains easier to lift | A wet look finish is not to everyone’s taste |
| Helps hold joint sand in place | Can trap moisture if applied to a damp surface |
| Slows color fade from sun exposure | Some products get slippery when wet |
| Reduces weed germination slightly | Once you start, stopping shows as uneven wear |
If You Do Seal
- Wait on new work. Give a new patio at least 60 to 90 days, and let any efflorescence finish coming to the surface first.
- Clean thoroughly and let it dry fully. Sealing over dirt locks the dirt in permanently. Sealing over moisture causes clouding.
- Choose the finish deliberately. Matte or natural look keeps the stone looking like stone. Wet look darkens and glosses it noticeably.
- Re-sand the joints first. Sealer helps lock sand down, so fill the joints before you apply it, not after.
- Apply thin and even. Two light coats beat one heavy coat, which puddles and dries blotchy.
- Expect to redo it every 3 to 5 years. Sooner in full sun, later in shade.
Because a wet look sealer genuinely changes how the surface reads, it is worth seeing the same materials finished different ways before you commit. Our gallery of how different finished looks actually read in place is a useful reference for that decision.
Can You Paint or Stain Patio Pavers?
You can, and the two options are not equal.
- Painting is generally a mistake. Paint sits on top of the paver as a film. Foot traffic wears it, freeze and thaw lifts it, and it fails in patches that look far worse than the original color ever did. Removing it later is a serious job.
- Staining is the better option. A concrete stain penetrates rather than coating, so it wears more gracefully and does not peel. It works best as a color shift on faded pavers rather than as a dramatic change.
- Either way, it is permanent. There is no going back to the original look. Test on spare pavers or a hidden section before committing.
- Consider cleaning first. A surprising number of patios that look faded are just dirty. A proper deep clean brings back more color than people expect, and it costs nothing but an afternoon.
Fixing Sunken, Loose and Cracked Pavers
This is where a paver patio beats every other surface. Individual stones come out and go back in, and a repaired area is invisible when done properly.
Resetting a Sunken Area
- Lift the affected pavers. Two screwdrivers or a pair of paver extractors work. Set them aside in order so they go back the same way.
- Find out why it sank. A localized dip usually means a soft spot or a washout. A dip under a downspout means water is the cause and will do it again.
- Add and compact base material. Not sand. Use the same dense graded aggregate the base is built from, tamped in layers.
- Screed one inch of bedding sand. Match the height of the surrounding area.
- Reset the stones and re-sand the joints. Tap them level with a rubber mallet against a straightedge across the good surface.
Cracked and Loose Stones
A cracked paver is simply replaced. Lift it, drop in a spare, and re-sand around it. This is the reason to keep a partial pallet of leftovers somewhere dry after the build, since matching color years later is difficult and sometimes impossible if the line was discontinued.
Loose stones at the perimeter almost always mean the edge restraint has failed or was never installed. Filling the joints there is treating a symptom. The restraint has to be fixed or the edge will keep spreading.
Paver crack filler and construction adhesive both exist and both are usually the wrong answer. Gluing a paver down defeats the flexible system that makes the patio work in the first place. The exception is capstones on a seating or retaining wall, which are meant to be adhered.
Wall caps, fire features and steps all have their own upkeep and their own failure points, separate from the paved field. Our guide to the walls and structures that need their own upkeep covers what each one asks for.
Winter Care in Indiana
Winter is what tests the patio, and most winter damage is self inflicted rather than caused by the cold.
- Skip de-icing salt on new pavers. Give a new patio at least one full winter before any de-icer touches it. Sand gives traction with no chemical effect.
- If you must use a de-icer, choose carefully. Calcium magnesium acetate is the gentlest common option. Avoid anything with ammonium sulfate or ammonium nitrate, which attack concrete directly.
- Use a plastic shovel blade. Steel edges chip paver faces and scar the surface, especially on tumbled or textured products.
- Do not chip at ice. Let de-icer or sun do the work. A chisel or spade takes chunks out of the stone along with the ice.
- Clear leaves before the first freeze. Frozen wet leaves stain harder and stay put until spring.
- Check the drainage in late fall. Water that pools and freezes in one spot every winter will heave that spot eventually.
The seasonal prep checklist for any outdoor surface here is largely the same, and it is worth running through in one pass. See getting outdoor surfaces ready before the first freeze for the full walkthrough.
Care by Material
The basics are the same across materials. These are the differences worth knowing.
| Material | What is different | Watch out for |
|---|---|---|
| Concrete paver | Handles most cleaners and moderate pressure well | Chlorine bleach lightens pigment permanently |
| Clay brick | Color is permanent, so fading is not a concern | Softer face than concrete, so keep pressure low |
| Natural stone | Often benefits from sealing, especially limestone | Acidic cleaners including vinegar can etch the surface |
| Porcelain | Nonporous and the easiest surface to keep clean | Joints still need sand and still grow weeds |
| Permeable | Joints are open stone, not sand, by design | Vacuum or replenish the joint stone so it keeps draining |
If you are still choosing a material and low maintenance is a priority, the differences run deeper than cleaning. Our comparison of how each material behaves day to day sets them against each other on upkeep and durability.
What Maintenance Costs
| Task | Doing it yourself | Hiring it out |
|---|---|---|
| Annual deep clean | $20 to $60 in cleaner | $150 to $400 for a typical patio |
| Pressure washer rental | $50 to $90 per day | Included in a service call |
| Re-sanding joints | $30 to $90 in sand | $200 to $500 including labor |
| Sealing | $100 to $300 in product | $400 to $1,200 depending on size |
| Resetting a sunken area | $20 in base stone and sand | $300 to $800 for a small section |
| Typical annual cost | Under $100 most years | $300 to $600 most years |
Costs assume a patio in the 200 to 400 square foot range. Sealing is the only line item that is genuinely optional.
Frequently Asked Questions
What is the best way to clean patio pavers?
Start with a stiff brush, warm water and dish soap. That handles routine grime with no risk to the joints. Escalate to a dedicated paver cleaner for organic staining, and use a pressure washer only with a wide tip at a safe distance.
Can you clean patio pavers with vinegar?
On concrete pavers, yes, diluted with water for light organic film. Do not use it on limestone, travertine or other porous natural stone, since the acid etches the surface. Always test a hidden area first.
Should I seal my paver patio?
It is optional. Sealing enriches color and makes stains easier to lift, but it is a recurring cost every three to five years and changes the look. Plenty of unsealed patios look excellent decades later.
How do I keep weeds out of patio pavers?
Keep the joints full and compacted, since weeds germinate in the sand rather than growing up from below. Polymeric sand resists germination considerably better than plain sand, and pulling weeds while damp gets more of the root.
How often should you re-sand a paver patio?
Check annually and refill whenever the sand sits more than about an eighth of an inch below the paver surface. Most patios need attention every two to four years, and always after pressure washing.
How do you remove moss from patio pavers?
Scrape it out dry with a joint knife or stiff brush, then treat the remaining green stain with an oxygen bleach solution. Address the shade and moisture causing it, or it returns every season.
Can you pressure wash a paver patio?
Yes, with a 25 or 40 degree tip held 12 to 18 inches away, under about 2,000 psi, moving constantly. Plan on refilling the joint sand afterward, because some always comes out.
Can you paint patio pavers?
You can, but paint sits on the surface as a film that wears, peels and fails in patches. A penetrating concrete stain is the better option if you want a color change, and a thorough cleaning first often solves the problem.
Why are my pavers sinking in one spot?
Almost always a soft spot in the base or water washing material out, often below a downspout. Lift the stones, compact fresh base material in, re-screed the sand and reset. Fixing the water source matters more than the repair.
The Bottom Line
A paver patio asks for very little: sweep it, clean it once a year, keep the joints full, and stay off it with a steel shovel and a bag of rock salt in January. That is the entire program, and it comes to about four hours across a year.
The practical next step is to walk the patio and look at the joints specifically. If the sand is low, that is the job to do this season, ahead of cleaning and well ahead of sealing. Everything else on this list is cosmetic. The joints are structural.
And if something is already sinking or spreading at the edge, deal with that first. Those are the only two problems on a paver patio that get meaningfully worse and more expensive the longer they sit.