How to clean concrete patio

Prepare your concrete patio for outdoor play by following these cleaning tips from the DIY experts.

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How to clean concrete patio

Cobblestone patio with garden accessories

Back Garden Patio Floors with Chairs Umbrella Plants Pots

Photo: Jit Lim

The patio has been beating over the years. Keep the floors in your home clean, then keep your terrace clean too. Spring is a good time to clean so you’re ready for peak patio season. Here’s how to clean a cement patio.

Remove plants, furniture and other accessories from the terrace. Sweep the surface to remove dirt and debris. Remove any weeds that may have grown along the edges or between the crevices of the cube.

In the case of a slightly dirty terrace, you can remove the dirt with a cleaner and a stiff brush. You can use bleach mixed with water. Add 1/8 cup of liquid dish soap to the solution and pour it into a spray bottle. Spray the solution on the surface, let it act for a few minutes, then scrub with a stiff nylon bristle brush. Don’t use a metallic brush because it can leave metal bits on the concrete that rust and stain the patio. If you have flower beds around your patio, protect them too. Bleach will harm the plants. Rinse the bleach with a hose. Oxygen bleach (such as OxiClean) is a safer option. Dilute with water and spray on the terrace, then rinse. For stubborn stains, mix oxygen bleach with water to make a peanut butter paste. Apply to dirty areas and leave on for an hour. Scrub with a nylon bristle brush.

You can also make natural and eco-friendly cleaners from your kitchen ingredients.

Vinegar is a natural cleanser that acts on terraces. Mix equal parts vinegar and water to remove stains or use full strength vinegar on heavily soiled terraces. Baking soda is another good natural cleanser. Mix 1/2 cup of baking soda with 1 liter of water to make a mild cleaning solution. Add 1/8 cup of liquid dish soap. Spray on the patio surface for 30 minutes, then scrub and rinse.

A pressure washer may be needed for severely stained or moldy patios. You can rent it from a tool rental shop or a home improvement store. Follow the directions on the machine for cleaning the concrete floor. Wear protective goggles and gloves when using a pressure washer as water flows out with great force. Protect your house’s exterior walls and doors from loose debris the pressure washer will remove from the patio surface by covering the walls with plastic sheeting.

Once your patio is clean, protect it from future stains by sealing it with concrete sealer. Use a paint roller to apply the sealant. Start in the center of the deck and roll the sealant up to the edge. Once it’s dry, you’ll have a sparkling clean patio that’s ready for outdoor entertaining.

How to clean concrete patio

Świerk / Sydney Brown

If you have greenish-black things on your concrete patio, chances are they are mold, mildew, or moss. Damp or humid conditions due to rain or humid conditions can promote the growth of mold and mildew in these nooks and crannies in paving stones or bricks. It is important to find a safe way to remove it that does not damage the nearby landscape or damage the environment with harsh chemicals. This method uses natural and very versatile ingredients found in most homes, such as vinegar and borax. These cleaners should be able to deal with most cases of mold or mildew.

How often do I clean my patio or outside?

How often you clean will depend on how much mold, mildew, or moss is present and how often it recurs. It may be necessary to repeat the application for areas particularly contaminated with mold. Other times it can be done once a year for spring cleaning in any season. Remember it’s worth a try when guests arrive and there will be no shame about the ugly mold.

What you will need

Equipment / tools

  • Knee pads
  • Hard bristle brush (non metallic)
  • Hose with pressure nozzle or pressure washer (pressure washer)
  • Bucket


  • 1/2 cup of white vinegar
  • 1/2 cup of borax
  • Waterfall


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Świerk / Sydney Brown

How to clean a patio with a home solution?

No need for fancy cleaners – this home solution and patio cleaning methodology will make your patio and other outdoor surfaces shine in no time.

Prepare the solution

Dissolve 1 cup of warm water along with the white vinegar and borax. Pour the solution into a spray bottle or keep it in a bucket and use a sponge to apply.

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Świerk / Sydney Brown

Wet the area

Using a nozzle or a powerful spray, clean the area that needs to be cleaned. Wet it completely.

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Świerk / Sydney Brown

Apply the solution

Apply the solution con una spugna o un flacone spray. Do one area at a time. If you have a large area, break it down into manageable parts.

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Świerk / Sydney Brown

Let the solution absorb

Allow the cleaning components to penetrate the surface (e) for a few minutes. Give him time to work. If mold or moss is particularly aggressive, allow the solution to soak for a longer period of time, such as half an hour or more.

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Świerk / Sydney Brown

Scrub with a stiff bristle brush

Put on a pair of waterproof rubber gloves, sit on your hands and knees (knee pads can come in handy here), grab a stiff bristle brush and start scrubbing. Rub in a circular motion, clockwise or counterclockwise, walking across an area of ​​3 feet x 3 feet at a time. Dip the brush in the solution if it starts to run out. Continue until you have made progress. Make sure you take care of any patio, sidewalk, or green surface. Think about how strong that cleaning arm will be. Alternate arms for an evenly toned workout.

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Świerk / Sydney Brown

Rinse the patio

Using a strong spray, rinse off the deck or surface you just scrubbed. If you’ve followed the directions, applied just the right amount of pressure while scrubbing, and haven’t come off, the green patio should start to look like concrete again. Choose a time of day when there is as much sunlight as possible to dry your rinsed patio. Moss and mold love humidity and shade.

Check back in a week to see if any further cleaning is needed.

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Świerk / Sydney Brown

Tips for keeping your patio clean longer

Those who have followed the instructions, rubbed hard and used the solution several times without much success know that more stringent measures are sometimes required. A product like Wet & Forget should do the job. While the label says it is bleach-free, phosphate-free, acid-free, and safe around plants and all exterior surfaces (when used as directed), care should be taken when using this product. Wear rubber gloves and avoid unnecessary dripping in the garden or grass.

Follow the instructions on the cleaner packaging, making sure the previous cleaning solvents have been thoroughly rinsed off with a powerful hose. While the product you are using may state that washing is not necessary, you will likely have to roll up your sleeves; Keep scrubbing the moldy / mossy area until it’s clear of all the green substance.

Try revisiting the area in a week or two to stay on top of mold and mildew. Perseverance will pay off.

To safely and effectively clean concrete surfaces, start with the least toxic cleaner and increase supply as needed. That’s how.

How to clean concrete patio

The first thing to know about cleaning concrete? You don’t need to be delicate. After all, it’s a very hard material.

Basic cleaning

These approaches will go a long way in removing mundane dirt, mold, spilled paint, and most food stains.

  • Cleaning the concrete outside:it is possible to rent a pressure washer to be used in combination with a biodegradable cleaner.
  • Cleaning the concrete inside: Your supplies will likely be a bucket, brush, and detergent. Hydrogen peroxide or ammonia also work well.

The bad news for the discerning homeowner is that concrete is a porous material with countless small voids that can hold dirt, mold, and all kinds of deep, stubborn stains.

How to clean concrete patio

You can – and should – try applying regular detergents directly to difficult areas and scrubbing with a bristle brush (no strings). But you may not get far.

I once tried cleaning a concrete garage floor that had been exposed to leaking oil pans and gearboxes for years. Powerwashing did very little. It helped a bit, but ultimately it wasn’t enough to rub the area with TSP and then hit it with a hose.

As a last resort, I used walled acid – it was a silver ball that effectively removed all remaining oil stains.

Heavy cleaning

Muric acid can work wonders on dirty concrete (it can also be very useful for removing excess dry mortar and grout or for trying to soften stubborn rust stains).

However,remember that you have to be very careful with this strong acid. Don’t even use muriatic acid unless you really need to. If you must use it, be sure to wear protective gear (including protective clothing), and always follow the manufacturer’s directions for dilution.

Stain prevention

Concrete sealer is first and foremost a reliable option for avoiding stains. Choose a clear hydrophobic sealant based on silane or siloxane (see example on Amazon) and apply the product using a gun or roller. The seal will not affect the appearance or adhesion of the concrete surface.

If the damage has been done and no amount or degree of cleaning seems to be doing the trick, then, if it’s indoor concrete, consider applying a masonry primer and a masonry topcoat. Such a coating would hide old stains and seal the concrete to prevent further stains.

How to clean concrete patio

Cleaning and sealing aconcrete flooring, such as a driveway or patio, is a great way to enhance the look and add durability. The process can be completed in a few hours.

Step 1: Choose an electric washing machine

If you don’t have an electric washing machine, you can purchase one from your local hardware store or rent one from any tool rental shop.

Krok 2 – Przygotuj concrete

Use your hose to spray down the concrete. Apply any cleaning chemical that is specifically formulated for cleaning concrete. Bleach and water also work well. Some commercial solutions are designed specifically to remove oil, so consider this solution if you have visible oil stains in your driveway.

Krok 3 – Szorowanie concreteu

Use a scrub brush to thoroughly scrub the concrete with the cleaning chemical. Pay special attention to areas where you can see visible spots. If possible, use a long-handled brush. This will help reduce the time and effort it takes to cover the entire floor.

Krok 4 – spłucz concrete

Connect the electric washing machine to the hose and turn it on. Move the pressure washer wand back and forth across the width of the concrete, working your way down, until you have thoroughly rinsed all the cleaning chemicals from the concrete. You should also focus on the stained areas to remove any excess residue that may have stuck to the cleaner. If any stains remain, you can repeat step 2 and re-rinse the concrete.

Once you are satisfied with the look of the concrete, allow it to dry completely before proceeding. This usually takes around 24 hours, although hot sun or cool air can shorten or extend the drying time.

Krok 5 – Zastosuj uszczelniacz do concreteu

Pour the concrete sealer in the roller pan and use the roller with an extension to apply the sealant to the concrete. Use slow, gentle motions until the concrete is completely coated by the sealant. You will need to apply 2 to 3 thin coats of sealant. A coating that is too thick can lead to bubbles that are not only unattractive but can also reduce the effectiveness of the sealant.

Step 6: Let it dry

Allow the new sealant to dry before allowing anyone to walk on the concrete. It will take an average of 24 to 48 hours, depending on the climate you live in.

How to clean concrete patio

No matter how the paint got on your concrete, here are the best methods for removing it. Photo: Christin Lola / Shutterstock.

If you have ever accidentally spilled or splattered paint onto on a new concrete floor, patio, or other surface, you probably threw up your hands in despair, assuming the spot would be permanent. While paint spills on concrete may seem like a catastrophe, they are really nothing to cry over. In most cases, the paint can be successfully removed with some time and effort.

The materials and methods required for paint removal will depend on a number of factors, including the type of paint (water vs. oil-based), the size of the spill, and the porosity of the concrete. Here are some of your options along with some tips for getting the best results.

Do you need professional help? Find contractors offering concrete cleaning near me.

Paint strippers

Many of the same chemical strippers designed for removing paint from wood can also be used on concrete and masonry surfaces. Make sure the stripper is formulated for the type of paint you’re trying to remove. Some products only remove water-based latex paint, while others work on both oil and water-based paints. Look for an environmentally friendly product that is safe to use on both indoor and outdoor concrete surfaces, such as Soy Gel Coatings Remover from Franmar Chemicals. These solvents are typically thick gels that remain active for a long time after application. They are also biodegradable, odorless and free from harsh chemicals.

  • Ideal for: Removing small paint spills on concrete floors or outdoor surfaces.
  • How to apply: Using a brush, broom, or squeegee, apply a thick layer of paint stripper to the affected area, following the manufacturer’s instructions. Leave the trowel until it has completely penetrated and the paint begins to soften (4 to 24 hours). Once the paint is visibly wrinkled or puckered, it’s ready to be removed from the surface with a scraper or wire brush. Finally, wash or rinse any residue.
  • Safety note: Don’t use paint strippers containing methylene chloride. These solvents act quickly but are very toxic when inhaled or absorbed through the skin. L’EPA ha recentemente vietato la vendita di questi sverniciatori ai consumatori e i grandi negozi di articoli per la casa non li offrono più.

Electric washing

Eco-friendly paint strippers are effective, but the sticky mess they leave behind can be a problematic way to get rid of them. If the paint spill is on exterior concrete, power washing is a great alternative and avoids most of the cleanup.

  • Ideal for: Removing large paint spills or spray paint splatter on outdoor concrete surfaces.
  • How to do it: For best results, use an electric pressure washer with a pressure rating of at least 3000 psi and a flow rate of at least 4 gallons per minute. If you don’t want to invest in an industrial power washer, consider renting or borrowing one. You can also hire a professional to do this job.
  • See these tips for pressure washing concrete.


For stubborn paint spills that can’t be removed by power washing or chemical strippers, an effective and environmentally friendly alternative is soda blasting. This method, which uses granular sodium bicarbonate (baking soda) blown at high pressure on a surface, can quickly remove multiple layers of paint or coatings. It also is a less-aggressive paint removal method than sandblasting and won’t damage the concrete surface.

  • Ideal for: Removing large paint spills or entire coats of paint from outdoor concrete surfaces.
  • How to do it: Although soda blasting equipment can be rented from hardware stores and equipment rental shops, it takes some skill to get your equipment working properly and safely. Your best bet is to hire a professional soda ash service.
  • Advice: If you decide to do this job yourself, be sure to use industrial-grade baking soda (not the baking soda you buy at the grocery store) and take appropriate precautions by wearing a respirator. Also, don’t let any overspray come in contact with plants because the high pH level of the material can be harmful.

Floor grinders

Instead of using paint strippers, a chemical-free alternative for removing paint from concrete floors is by grinding it off using a walk-behind or handheld concrete grinder These machines are very effective at removing thin coatings and paints or for cleaning and lightly abrading concrete floor surfaces.

  • Ideal for: Removing large paint spills or entire coats of paint from interior concrete floors and garage floors.
  • How to do it: You can rent handheld and small walk-behind concrete floor grinders at many home-improvement stores and equipment rental companies, along with the appropriate grinding disks. However, the equipment can be tricky to operate, especially for the inexperienced. Unless you know what you’re doing, you’re better off hiring a professional.
  • Advice: To control airborne dust particles, use a concrete floor grinder equipped with a vacuum port so it can be hooked up to an industrial vac. A vacuum cleaner will not only protect the air from harmful dust, it will also eliminate sloppy cleaning.

What if the paint still doesn’t come off?

If you’ve tried everything and there’s still paint left on your concrete, consider resurfacing your concrete. Un rivestimento viene applicato sulla vecchia superficie per fornire una tela pulita e pulita che può essere rifinita con i colori, le trame e i motivi di tua scelta.

Jak zahamować wchłanianie farby przez concrete?

Bare, untreated concrete can act like a sponge and absorb paint and other unwanted stains readily, making them harder to remove. Keeping your concrete protected with a sealer or floor wax will help prevent absorption, allowing you to remove the spot more easily. If a leak occurs early, before the paint is dry, it can often be removed using only detergent and water. If the paint has dried, you can simply scrape off the surface.

How to clean concrete patio

Mold will make your concrete look bad, and can become a health and safety issue. For small areas, you can usually get rid of the mold yourself, but for larger problems, get professional help from a contractor offering concrete cleaning near me.


Wet conditions can cause mold and mildew growth on outdoor concrete like driveways, patios and steps. This growth usually occurs in humid or shady areas that don’t get a lot of sun or heat. Il concrete, con tutti i suoi angoli e fessure, è in realtà un ottimo incubatore di muffe. Humid and humid climate with warm temperatures only improves the growing conditions.

What does mold on concrete look like?

Mold can appear as blackheads or areas that have turned green. Some mold is white, but can be confused with efflorescence, which is a salty film on the concrete. If the white matter dissolves easily in water, it is likely the latter.


Your best bet is to scrub and clean the affected areas with a mildew cleaner or a simple solution of household bleach and water. Be sure to scrub aggressively to get down into the pores of the concrete. Leave the detergent or bleach solution for a while to make sure that all mold is eliminated. After scrubbing, rinse with a power washer to get all the solid organic matter out of the concrete.

Fight ugly stains on the driveway, patio and garage floor to restore the beautiful look of these hard-working surfaces.

How to clean concrete patio

Concrete driveways, patios, and garage floors may take a beating, but that doesn’t mean they must show the signs. While these rugged surfaces are bound to receive their share of errant oil, paint, rust, mud, foliage, or even “accidents” from family pets, you can banish stains and restore your concrete’s good looks with a little elbow grease and know-how. Read on for tried-and-true treatments that really work on the most common culprits for concrete stains.

Jak usunąć plamy olejowe z concreteu?

Oil spills leave unattractive black splotches on concrete flooring that can also track into your home from the soles of your shoes. Attacks stains by absorbing as much oil as possible before it can penetrate.

  1. Versa l’argilla o la lettiera per gatti "agglomerante" (ma non le alternative di cristallo o argilla come il mais) sull’intera macchia e stendila con una scopa o una spazzola rigida.
  2. Leave the cat litter in place for at least an hour – or overnight for an extended or old stain – then brush away the clutter.

For some new or small concrete stains caused by oil, this is all the treatment you may need.

If the concrete still bears a mark, don rubber gloves and goggles and do the following:

  1. Mix a cup of TSP (trisodium phosphate) in a liter of hot water, then pour the solution over the blemish.
  2. Leave on for at least 30 minutes, then scrub with a stiff nylon brush.
  3. Finally, blow this place up with the hose set to maximum pressure.

If necessary, repeat this process on deep spots.

Jak usunąć plamy z farby z concreteu?

While a slight hint of color might always remain if you spill a large amount of paint onto unsealed concrete, you can remove most of the mess. If the stain is relatively cool and mild, put on rubber gloves and eye protection before mixing a cup of TSP with a quart of warm water. Pour the solution onto the paint, massage it into the stain with a stiff long-handled brush, then rinse with the hose set to maximum flow.

Large or old paint spills require chemical removal of the paint and this requires eye protection, chemical resistant gloves and a respirator (best choice) or a dust mask (only suitable when working in an open area with a good ventilation).

  1. Mix the paint stripper with an absorbent material such as baby powder, diatomaceous earth, or a finely ground clay cat litter until you have a thick paste.
  2. Use a brush or rough sponge to spread the paste over all the spilled paint and let it sit for 20 minutes.
  3. Use a plastic paint scraper to remove the paste and loose paint. If there’s still quite a bit of stain, spread the paint stripping paste again and leave on for half an hour before again scraping it away.
  4. Sprinkle an abrasive powder such as Comet on the remaining stain and scrub thoroughly with a nylon brush and water.
  5. Flush the area with a hose.

Follow these directions to remove an unsightly rust stain from your concrete patio, driveway or garage floor.

How to clean concrete patio

Chodnik concreteowy z kamykami

Square concrete paver walkways with Mexican pebble joints connect the different areas of the backyard, and pea gravel makes for a clean and budget-friendly mulch material.

Photo: Joslyn Amato

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If you’ve ever left metal furniture on a patio or old garden tools on a driveway, you’ve probably noticed the unsightly, brownish-orange stains these items can leave behind. When metal gets wet, it can rust, and that rust can transfer to your concrete surfaces. Homes that depend on well water are also prone to rust stains, and the water is usually rich in iron. Either way, a rust stain can really ruin the look of your home.

It’s important to note that the longer the rust stain has been on your concrete, the more difficult it will be to remove. With that in mind, we’re breaking this tutorial down into two categories: minor versus major rust stains. If you’re not sure how old your stain is, we recommend starting with the treatment for minor rust stains and then, should that not work effectively enough, move on to the treatment for major rust stains.

Small rust spots

Before you begin, take into consideration if your concrete is painted or delicate in any way. If it is, you may want to dilute the following solutions with one equal part water and use a brush that won’t strip away paint.

Start by cleaning the surface with soap and water, regardless of the level of rust. This will wash away grease or dirt from surfaces which may be preventing acids from effectively removing stains. Simple dish soap should do the trick.

After cleaning the surface, start with pure, undiluted lemon juice, because the stronger the acid, the better it will remove the stain. Once you’ve soaked the stain thoroughly with the lemon juice, Let’s sit down. This is the key. It is recommended to leave it on for 10 to 15 minutes.

Once you’ve Let’s sit down, use a wire brush to scrub at the spot. This is another instance when the delicacy of your concrete comes into play. If you’re worried about the paint wearing, use a gentler nylon brush. If your concrete is extremely delicate, you can use a sponge; however, this won’t be quite as effective as a brush.

Then rinse the area and let it dry. You may have to go to the bush again in the same process. If the stain is particularly deep, you can replace the lemon juice with something stronger, such as white vinegar. If necessary, follow the same process with white vinegar.