Will Vinegar Kill Mold In Crawl Space?

Vinegar and bleach can both be used to get rid of mold in your crawl area. Studies indicate that these liquids might not be the best option for cleaning a home with mold, nevertheless. Remember that mold has already reduced the quality of the air in your home, and you don’t want to exacerbate the problem by adding more allergens.

On the other hand, any lingering mold can be permanently removed with an acid-based cleanser like vinegar. Simply use a pump sprayer to saturate a soiled floor with vinegar. In your crawl space, the vinegar will first get rid of about 90% of the mold before evaporating.

Using a professional cleaner makes the work simpler because they are trained to quickly eliminate any deadly mold in your crawl space, no matter where it is located. If you have to clear the mold yourself, carefully read the directions included with each product before using it on wood buildings, cement walls, or filthy floors.

Can vinegar be used in a crawl space?

It’s time to treat the mold once the source has been located and corrected. Due to the health concerns associated with exposure, we always advise consulting a professional for mold removal.

Due to the small gaps and floor joists, mold in crawl spaces can be particularly challenging to remove. You can choose to treat the mold yourself if it is in an area that is less than 10 square feet in size. Remember that these are not the same techniques that experts would do.

It is crucial to safeguard yourself by using the appropriate PPE whenever you are close to suspected mold. Gloves, N-95 masks, and eye protection are all parts of proper PPE.


Using vinegar to clean your home is one of the best ways to get rid of mold because vinegar kills various microorganisms, including molds. Simply combine vinegar and water in a spray container at a 1:1 ratio. Spray the afflicted floor or walls of the crawl space liberally. After letting it sit for a while, clean the area. After that, rinse with water.

Baking Soda

Another widely used cleaning is baking soda, which may be applied to a variety of household surfaces to get rid of mold. Spread baking soda on your floor or furniture, leave it in place overnight, and then wash everything with water first thing the next morning. This will eliminate any other dirt that was adhered to it in addition to the dead mold. If you carefully clean everything after using baking soda, there won’t be any unpleasant smells to worry about.


Another substance that effectively combats all mold types without leaving any residue is borax. However, bear in mind that this material has the potential to be hazardous, so only use it if you have no intention of breathing it in or consuming it. Borax can injure your skin, eyes, and can be dangerous to pets, so make sure you use it with extreme caution.

Borax also makes it safe to leave after you’ve finished sprinkling the afflicted area. Rinsing is not necessary.

How long does vinegar take to kill off mold spores?

How Long Does Vinegar Take to Remove Mold? Let the vinegar stay on the mold for at least 60 minutes, depending on the amount of mold, before wiping or scrubbing.

Early Warning Signs

Once it begins to grow, mold may spread quickly, so it’s critical to understand what it looks like, where it comes from, and the best cleanup techniques. There are numerous potential indicators of an infestation given that over 100 kinds of mold are capable of thriving in the United States. When determining whether your crawl space has a mold issue, keep in mind some of the more typical indicators listed below:

Musty smells

A musty, moist odor usually appears as a huge colony of mold spores grows. This smell will likely become apparent before you can see the growth. The smell emanating from the crawl space may be detected inside the house, near the vents, or at the doorways leading to the basement. It is nearly impossible to cover up the smell of mold, even using fresheners.

HVAC problems

The HVAC system may become infected with mold from the crawl space. It might ascend via the home’s air ducts, dispersing spores in potential growth sites and filling the household with an unpleasant smell.

Structural damage

The organic components of your home are the mold’s food source, which causes the mold colony to expand and eat away at the wood, paper, fabrics, and glue in your home. The safety and structural integrity of your home may be in danger if mold is allowed to deteriorate the supports and materials in the crawl space over time. Mold might cause the ceilings above to fall, the flooring to crack or cave in, and the walls to fall as it spreads over the floor joists or up into the floorboards.

Health Concerns

Even with mold under the house, occupants’ health is still at risk. Mold spores can move through the air, therefore they are not restricted to a certain location. Living in a mold-filled atmosphere and inhaling these spores have the potential to endanger your health and make you miserable. People who have more severe allergies are more likely to experience persistent allergy symptoms after exposure to these funguses.

Individuals may experience excessive sneezing, a runny or stuffy nose, a cough, postnasal drip, sinus irritation, and skin rashes as exposure symptoms, which might mimic an upper respiratory infection. The likelihood of symptoms depends on the extent of the exposure. You may have a mold issue if your health improves when you’re away from home but tends to degrade right away when you get back.

Mold of many types may be hiding in the crawl area or along the floor joists. Making decisions about how to remove the mold and address the issue is made easier when you are aware of the situation.

If there is mold in the crawl space, you can notice clumps or patches of white dust or powder on the floor joists, posts, or girders. These species look fuzzy and are most frequently observed in the spring, summer, or fall. Black mold variants typically take the form of a flat, greenish or dark gray patch and are not fuzzy or powdery in appearance. The wooden components of your home are susceptible to serious degradation due to yellow mold. The four most typical varieties of mold in a crawl space are listed below:


Because it played a vital role in the invention of the life-saving anti-microbial drug penicillin, this strand’s name has a penicillin-like sound to it. It thrives best in dirt-floored crawl areas with rotting vegetation, which can make it difficult for people who are allergic to the dangerous toxins to breathe.


This is a strong form of mold that can seriously harm your health. It favors soil, painted wood, woody plants, textiles, paper, HVAC systems, painted walls, and mattress dust as sources of food and growth. Even while you might not have the majority of these things in your crawl space, a few mold spores might migrate and swiftly multiply in other parts of the house, contaminating them.


Perhaps the most typical mold discovered in homes and crawl spaces is this one. Although these spores aren’t thought to be as harmful as some of the others, long-term exposure raises worries about sinus irritation, acute or chronic lung infections, and allergic reactions. This species may flourish both indoors and outdoors, growing well in wet crawl areas and HVAC ductwork.

It takes effort to remove the mold in the crawl space and along the floor joists. It requires extensive scrubbing and the capacity to fit into small areas. Due to these working circumstances, you require the cleaning supplies and property safety equipment to complete the task swiftly and without endangering your health. possess the following personal safety gear:

  • Goggles
  • gloves with textured-grip substance
  • respirator or chemical or dust mask
  • wearing protective gear

Additionally, you should obtain cleaning supplies:

  • Plastic material
  • 5-gallon containers
  • aerosol can
  • Sponge/outdated clothing
  • Small shovel, putty knife, or brush

Whatever method you choose, you must be methodical and thorough in your efforts to get rid of the fungus. How to begin removing mold is provided here:

  • Before combining your cleaning solutions, put on your safety gear, such as gloves, goggles, or protective clothes.
  • For mold removal, adhere to the suggested solution measurements. To make a paste to cover the polluted area with, combine two parts baking soda, one part white vinegar, and one part water. Use an acid-based cleanser like vinegar, which is simpler to spray, if the growth is widespread. A strong solution made of one cup of borax to one gallon of water is still safer than bleach or other chemicals. A cheap option, bleach should be diluted for safety by adding one quart of water to half a cup of bleach.
  • Plastic sheeting should be used to cover any holes, such as air conditioner vents or doors. As a result, mold spores are less likely to spread throughout the house. While dealing with heavy fumes or chemicals, you should also ensure sure the crawl area is ventilated. Install a fan and direct the airflow away from or outside of the area where you will be operating. As a result, airflow is created, hastening the removal of moisture.
  • Any noticeable significant mold growths should be scraped off or eliminated using a tiny brush or the flat end of a putty knife. These can either be scraped into a trash bag or allowed to drop to the ground. When you are done with the floor joists and other places, you will be cleaning the dirt.
  • Spray the cleaning agent of your choice over the entire harmed area. Don’t soak the area to the point that you permanently harm the wood. Before you begin scrubbing the area, let the solution stay on the afflicted region for at least five minutes. On any wooden surfaces, it is advisable to use a brush because cleaning cloths might snag on wood splinters, which can be dangerous. Scrub the surface repeatedly until no more apparent mold is present.
  • As you leave the crawl space, use your cleaning solution to spray off the dirt on the floor. This aids in eliminating any mold spores that may have landed on the floor and stops them from regrowing. Vinegar, bleach, and other liquids can kill up to 90% of any fungus that has established a home in the crawl area, but they will evaporate quickly. Spray bottles or pump sprayers can be used to disinfect difficult-to-reach areas.
  • Put a UV lamp in the area after you have washed and sprayed the infected regions to help destroy any spores that may still be there. At the very least a day should pass with the light shining on the dirt floor. This also helps dry up the area, assisting in preventing additional growth, in addition to eliminating the mold. To circulate the air and remove any mold or cleaning solution odors, use fans.

Mold poses numerous risks to your home that go well beyond health issues. You run the risk of doing major harm to your home’s floor joists, floorboards, and other support structures if mold is not treated. Wood that holds moisture becomes weaker, and mold growth worsens the damage. As the fungus consumes the building components, the boards and beams may split and crack. Your flooring can be unsafe and you won’t realize it until it’s too late.

After completely removing the mold, you must inspect the area for damage. Determine whether there are any soft patches or deteriorated areas by looking at the joists or boards. A qualified contractor should assess any structural issues because you might need to replace some boards, beams, or flooring for safety.

The cost of removal is influenced by the extent of the mold infestation as well as the materials that have been harmed or infected. Both the ease of access and the degree of the damage are important considerations. Smaller infestations may only require $500 in eradication services, however more serious issues may require up to $30,000 in total treatment and joist or crawl space repairs. Regrettably, the majority of homeowner’s insurance policies do not provide coverage for cleanup services unless the infestation can be connected to an insured event, such as flooding or water damage.

Can I apply vinegar on mold and leave it overnight?

ServiceMaster suggests the following to thoroughly and securely remove mold from a small area:

  • Spray a spray bottle with full-strength white distilled vinegar on the mold.
  • Before removing mold, let it sit for at least an hour.
  • If you still need to scrub, mix two cups of water and one teaspoon baking soda. Spray it onto the mold after pouring it into a spray bottle and shaking it. Use a brush or scouring pad to scrub.
  • Warm water should be used to rinse, followed by another vinegar spray and drying time.

Put on gloves, a mask, and goggles to protect yourself from mold and its spores. Gloves also shield your skin from any vinegar-related rashes.

How is a crawl space cleaned?

You might be surprised to learn that getting a clean crawl area requires a lot of hard labor. This goes beyond simply cleaning and sanitizing the space. It may be a really messy endeavor.

Following are some tasks you should complete as you proceed:

  • pest control
  • Elimination of ponding water
  • eradicating aging insect colonies
  • changing out dated insulation
  • stop air leaks
  • erect and keep up vapor barriers

Does the endeavor sound more like building than cleaning? Then you’re correct. For this reason, a lot of individuals employ a company to clean their crawl spaces.

Does vinegar and dawn kill mold?

Mold removal rather than mold killing or even disinfection of a surface or material is the aim of mold cleaning. Consider mold as more akin to dirt. Would you simply spray bleach on a wall that had dirt on it and deem it clean? Obviously not.

The chemical compound bleach is used to destroy germs and whiten surfaces like walls, floors, and clothing. Because it contains sodium hypochlorite, bleach is hazardous to humans, fish, and microbes. The Environmental Protection Agency (EPA) really advises against using bleach and biocides to remove mold. 3

There are, of course, other reasons to stay away from bleach. Bleach’s purpose is to destroy bacteria, thus it won’t totally get rid of a mold issue. Molds are fungi, and after bleaching, they can and will reappear.

You may safely remove mold from your home with four basic ingredients: white vinegar, baking soda, hydrogen peroxide, and detergent or soap. What about the several mold removers that are being sold? What about the claims that a particular product kills mold, gets rid of mold, gets rid of stains, sanitizes surfaces, and keeps mold from coming back? It’s usually true if something sounds too wonderful to be true.