How do I get Rid of Basement Mildew?

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  • Written By: K. Gierok
  • Edited By: John Allen
  • Last Modified Date: 04 October 2019
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Getting rid of basement mildew can be a difficult process that can sometimes take months or even years to resolve completely. For best results when trying to get rid of basement mildew, be sure to start by first finding the cause of the basement mildew. Once it has been identified, get rid of it through the use of household chemicals, such as baking soda, bleach, and white vinegar. Finally, get rid of any products in the basement that appear to be contaminated with mildew.

One of the most important first steps when it comes to getting rid of basement mildew is first determining the cause of the mildew. While this can often be a difficult and time intensive process, it is essential in order to achieve optimal results when trying to get rid of basement mildew. To find the source of the basement mildew, start by examining all floors and walls for visible signs of mold or mildew. Pay special attention to areas that are discolored, as these will need to be explored in their entirety. Once the mildew has been found, identifying the cause of the growth is typically relatively simple. Often, there is a broken pipe or cracked piece of foundation that is resulting in basement mildew growth. Be sure that this is fixed in order to prevent future outbreaks of basement mildew.


Once the source of the mildew has been identified and fixed, the clean-up process can begin. One of the best ways to get rid of basement mildew involves using products that will get rid of both the smell associated with the mildew, as well as the bacteria that is promoting the growth itself. Fortunately, many of the chemical treatments that are commonly used to get rid of basement mildew include products that are found in almost any home around the world. When combined with water, bleach, baking soda, and white vinegar that has been distilled are all great ways to get rid of basement mildew. Mix them in a one-to-one ratio, and spray over the affected area. Repeat with a second dose if the initial treatment is not successful.

Finally, be sure to get rid of any materials that have absorbed water in the basement. Typically, boxes, rugs, and other similar items are a mildew haven, and thus must be either cleaned professional or discarded. If the preceding procedures have been completed and basement mold still exists, be sure to check the basement on an on-going basis in order to find additional causes of the mildew.


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Post 3

@SeamLouis-- Oh yea, mildew is harmful. Lots of people are allergic to it and it can cause respiratory problems if inhaled for long periods of time. There is even a type of mold called black mold that's very toxic and dangerous. So if I were you, I wouldn't mind using a little bit of chemical to prevent more health issues in the long term. I also agree that you need to have your ventilation checked out. And you might want to consider getting the floor and walls insulated. There are anti-mold insulation materials that are guaranteed to prevent mold and mildew.

Post 2

@SteamLouis-- I don't love bleach either but it does work very well for mildew. You can mix it with water and use it to wipe down the wall. I'm sure the mildew will be gone for good. Use gloves and a paper mask if you want and keep windows open while you do this.

If the mildew returns or starts showing up in more places, it means you generally have poor ventilation and too much moisture in your basement. Unless you resolve the underlying cause, the mildew will show up again and again. So I do recommend bleach, but I also recommend reducing moisture and getting more air flow in there if you want to nip this problem in the bud.

Post 1

I noticed some mildew on one of the corners of our basement wall a few weeks ago. I was looking for an eco-friendly and non-toxic solution for it so I used a mixture of vinegar and water to clean it. It seemed to work relatively well for a week but now it's back again. I guess I'll try baking soda next but if this doesn't work either I might have to use a chemical based cleaner. I don't prefer to but mold isn't very healthy either.

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