How To Remove Mold From Concrete [Quick & Easy DIY Methods]

Are you looking for the step by step guide on how to remove mold from concrete surfaces? You’re at the right place.

Were you aware of the fact that even concretes are a good place for mildews to grow rapidly?
Yes, you heard that right! Molds can grow upon concrete too.

Although concrete is not organic technically, the dust and debris accumulated on a concrete slab are a good nutrient for fungus to survive. Let us dive into the detailed steps on how to remove mold from concrete with quick and easy DIY methods.

Is It True That Bleach Is A Good Remedy To Kill Mold/Mildews Accumulated On Concrete?

A lot of house-owners look ahead to remove mildews from concrete floors. If you are one of them, then you should feel good to know that cleaning mildew is no big deal at all!

That’s because bleach is a good option for fighting mildews accumulated on your concrete floor. If you are willing to deploy it on your concrete flooring, you should clean the area gently with a scrub along with bleach to get rid of molds.

If you find any other solid organic matter, you better try to eliminate it at first. However, it’s important for you to mix bleach with detergent.

It’s never advisable to use raw bleach on your concrete floor. Otherwise, it may affect your floors. You should also wear protective gear other precautions before bleaching the mildew–affected areas on your floor.

It is also important to prefer an area where the winds can pass in and out while cleaning mold so that the air does not get affected while cleaning mildew.

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How Does Mold Affected Concrete Looks?

When mildews are gathered on your concrete floor, it’s easy to identify. That’s because the entire color of your floors will change. The dark layer of black and grey, along with prominent spots, will appear.

If the particular area of your floor is heavily exposed to water, it might gather greenish algae on your concrete floor. That’s another variety of fungus/mold that may hamper your floors’ quality in the long run.

The best way to identify mildews on your property is to look dirty old, and dull. The worst part is that you may also get some awkward smell from it.

How Dangerous Be Can Black Mold On Your Concrete Floors?

Well, black mold can be pretty dangerous indeed on concrete floors. They can be a severe problem for the infants and elderly people in your house.

If anyone of the inhabitants in your house tends to adopt asthma or any other similar bronchial problems, black mold should be eliminated as soon as possible.

It can also cause common health hazards like running nose, dust allergy, prolonged sneezing, and similar ailments. Some might feel like puke after remaining exposed to it for a long time.

The reaction of prolonged exposure to black mold on your concrete flooring may cause damage to your concrete floor. That’s another reason you should prefer avoiding black mildews on concrete floors.

Why Do Black Molds Grow On Your Concrete Floors?

There are plenty of reasons for black molds to grow on your concrete floors. Keeping any specific area of your concrete floor under constant moisture exposure is one of those.

Black mold generates quickly within those areas which are heavily exposed to moisture and water. They usually grow on those surfaces where moisture grows rapidly.

If your concrete floor is close to the window roofs, kitchen-chimney vent points, water tanks, there’s a huge risk for black mold to affect those areas along with any of these utilities mentioned above of your house.

The most thriving threat about black mildews is that they randomly transfer from one place to another. That’s why, if you are willing to remove black mold, you should take some time to inspect the origin of these molds first.

Then you should think of removing the mold completely. It will help you get rid of black mildews from your concrete floors easily.

At times, your house’s backyard patios and concrete basement can also be a good breeding ground for black mildews if there’s any leakage.

Faulty plumbing is one of those. Homes with high humidity have multiple problems if mildews grow too fast. Another reason

Those areas of your concrete flooring that fail to pass out rainwater become a victim of black mold when clogged water remains stored on the edges of your concrete floor for years.

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Few DIY Tips On How To Remove Black Mold From Concrete Using Bleach

Bleach is a good way of killing black mildews overgrown on your concrete flooring. If you plan to scrub and wipe up your concrete floors, you should consider the following cleaning up process.

The following cleaning-up process will help you deploy an intelligent DIY strategy for getting rid of black mildews from the concrete flooring of your house.

Few DIY strategies for concrete flooring:

  1. Distilled / lukewarm water for mixing up the bleach to give it a diluted form.
  2. Anti-mold killing detergent/bleach that’s 100% concrete floor friendly that has been approved by the manufactures.
  3. Scrub brush or sweeping broom with stiff-bristles.
  4. Soft-sponge that can be used for wiping off the wet surface post bleaching immediately to avoid bleach marks on the floor.

If you are looking ahead to removing black molds, these are a few things that you will need mandatorily. It will turn the DIY mildew removal process easier from your concrete floors.

How To Remove Mold From Concrete And Patio Stones?

If you are removing mildews from your concrete patios, you might require all of these step-by-step guidelines shared below.

Step 1:

Test a small spot and see if the bleach or detergent gets discolored. It is better not to mix anything with bleach other than water. It is always advisable to deny using anything else other than bleach. That’s because other toxic agents may lead to adverse impacts on your concrete floors.

Step 2:

Mix one-third part of bleach with distilled water in the bucket. While mixing the bleach, be careful to wear protective gear like a hand glove to avoid direct contact with bleach on your skin.

Otherwise, you may face skin irritations later. While mixing the bleach, be careful about the amount. If the amount you are using to mix bleach with distilled water exceeds the amount you are supposed to mix, that might impact the quality of your concrete floors.

Consider this particular fact before removing black mildews from concrete floors and patios.

Step 3:

Remove or cover any organic material that might be affected due to bleach solution. This will eventually help you clean mildew from your concrete patios without any damage caused to your floors.

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Step 4:

Always use a soft sponge and non-steel scrub brush to brush the surfaces covered with mildews. While doing that, ensure that you are masked.

Apply the solution on the area of your concrete that has been heavily affected due to mildews. Use the non-still wired brush to brush off the mildews from the surface. This will ensure zero impact on your concrete floors.

Additional Tip to Follow:

If the mold does not fade off, even after that, then you have to understand that the mildews are too tough. You should think of an alternative DIY mildew removal strategy in such cases.

It’s wise to spread the diluted bleach + water solution all over the surface. Leave it for some time so that the diluted solvent gets time to weak down the strong mildews.

Once the mold becomes weak, you can brush it off gently, and the mildews will remove. You don’t need to apply force to get rid of those.

Step 5:

Usage of warm water is also a good choice for fighting mildews. By pouring some warm water on the surface of the organic compounds, it’s easier for you to keep your concrete floors free from mildews.

After spreading warm water, use cool water with full force to remove the mildews with full force. This will help you get rid of mildew from your concrete floor or patios.

If it’s the interior concrete flooring in which you are planning to deploy DIY removal for getting rid of mildews, you should prefer rinsing a wet fabric cloth in the solution and rinsing it well. When maximum water is drained out of it, wipe the already weakened mildews.

Smart Pro Mildew Fighting Tips

Your concrete floors will never be free from mildew attack unless and until you cannot find the exact location of the breeding mildews in the property.

Once they are found, try to eliminate those by identifying the cracks or damage caused in your floors. Re-fix them permanently to keep your concrete floors free from mildew invasion.

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How Safe Is It to Use Bleach On Your Concrete Floors?

Well, it’s safe to use bleach on your concrete floors unless and until you are aware of the type of bleach you are using for the job. You should prefer pure household bleach for removing mildews from your concrete floors.

Mixing the household bleach quality with hot water is a good idea to get rid of mildews. They will assure zero harm to your property.

The best part is that you can also use chlorine bleach to kill mildew already overgrown upon your concrete floors. The best part is that you can also opt for oxygen-based bleach to remove the stains, which will not kill the spores.

The main objective of using bleach on your concrete floor is to make the floor free from dirt, stains, molds, and mildews. You can use bleach in the affected concentrated area in your home.

Bleach not only eliminates mold rather kills dirt from the concrete floors. The best part is that bleach removes stain and dirt and deodorizes the area from the foul odor.

If there’s any plant, garden, or greenery around your concrete floor, you should prefer bleach for removing mildews from your concrete floors.

How Effective Is Vinegar to Kill Mold/Mildews on Concrete?

Vinegar is a good solution for getting rid of mildews from your concrete floors. White vinegar is a good solvent for killing mildews. This has been scientifically proved that white vinegar can eliminate mildews up to 82%.

Vinegar is a good solution for disinfecting the areas affected with mildews. They are known for their ultra-strength for fighting mildews.

However, you should take adequate precautions while using vinegar on your concrete floors. That includes- gloves and masks so that the vinegar smell does not affect your body parts, in case it splits on your skin by any chance.

If you are planning a DIY remedy for killing mildews stored on your concrete floors, you should consider all of these strategies shared above.

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How To Get Rid Of Strong Mildews On Concrete Block Walls?

Concrete wall blocks are an ideal destination for strong mildews to grow rapidly. Try to clean your cinder block wall at least once a week with a solution containing water and bleach.

You might also choose any other material available in the market that has a balanced pH level. It will help you to ensure the longevity of your concrete walls in the long run.

Before beginning the DIY process, take a specific amount of bleach or any other cleaning detergent with a ratio of 2:4 in distilled water. You can use the solution for dipping the sponge or scrub.

When the maximum amount of water is rinsed out, use it for wiping the mildew-affected areas. The weakened mildews will be removed easily once they are wiped with fabric.

The best part is the mildew spots will be removed forever.

Few Mold Killing Detergents For Concrete Floors

Mildew killing detergents are an essential factor that must not be overlooked while cleaning concrete floors. That includes bleach, vinegar, and baking soda.

Mildew cleaning materials are readily available in your kitchenette. They are a part of your daily essentials stocked in your pantry cabinet.

If you are running a DIY mold removal strategy, you can either rely on any of these mildew-killing detergents or prefer mildew removal products available in the market.

However, before using any of those mildew removal products you have bought from the market, you should check the presence of toxic elements present in it.

At the same time, consult the internet to know how safe and wise it is according to leading flooring renovation experts for removing mildews from your concrete floor.

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Final Verdict

If you are looking ahead to exploring the DIY remedies on how to remove mold from concrete surfaces, you should consider the comprehensive guide shared above.

You may also consult the YouTube videos available on the internet to browse the DIY mildew removal strategies near you to clean the strong mildew accumulated on your concrete floor.

While cleaning the mildews/mold, you should not overlook the safety factors that have been shared above. It will help you avoid health hazards while cleaning mold from your concrete floors.

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Shelley Stevenson

Shelly Stevenson is the full-time editor responsible for painting, flooring, bathrooms & home climate coverage at StyDomIo. She is a home improvement expert with an eye for design and the skills to get the work done. She knows what turns a house into a home and has the advice and ideas to make upgrades easy and fun.

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