Is White Mold Dangerous?
There’s something fuzzy and white growing in your bathroom or basement. Should you be concerned? After all, it’s not that scary-looking black mold you’ve heard so much about.
White mold might look less intimidating than black mold, but it can still pose real risks to your health and your home. All mold, regardless of color, has the potential to cause problems. If there’s white mold in your home, focus on getting rid of it—and call on professional mold remediation services if you need them.
Key Takeaways
- White mold is a common fungus that thrives in damp, humid areas of your home, like basements, crawl spaces, and attics.
- It’s easy to confuse white mold with mildew or efflorescence, but by knowing the difference, you can respond to the outbreak the right way.
- White mold can cause respiratory issues and structural damage to your home.
- You may be able to manage small mold problems on your own, but larger infestations require professional mold remediation.
- When you spot white mold, act quickly to prevent it from spreading and causing more damage to your house and health.
What Is White Mold?
White mold is not a single type of fungus. It’s a variety of species that are white or light-colored at some point in their growth cycle. Like all molds, white mold needs three things to survive: moisture, the right temperature, and an organic food source. When these conditions exist in your home, white mold can quickly appear and spread.
What White Mold Looks Like
White mold can have a fuzzy, powdery, or cottony texture. Its color ranges from bright white to grayish or cream-colored, depending on the specific mold and the surface it’s growing on. You may notice it spreading in circular patterns or in irregular patches. It has a musty, earthy smell that can give away its presence before you see it.
Where You Might Find White Mold
Like all mold and mildew, white mold loves damp, poorly-ventilated spaces. The most common places you’ll find it in your home include:
- Basements
- Crawlspaces
- Attics
- Kitchens
- Bathrooms
- Around leaky pipes or windows Any area of your home where moisture lingers and air circulation is limited gives white mold a place to gain a foothold and start spreading. It also loves chewing through organic materials like wood, drywall, carpet, insulation, and even furniture.
White Mold Lookalikes: Mildew and Efflorescence
If you discover a white substance growing in your home, it might not be white mold. Two common lookalikes often cause confusion: mildew and efflorescence.
Mildew is a surface fungus that usually appears flat and powdery. It can be white or gray, and you’ll often find it on bathroom tiles, shower curtains, and windowsills. While mildew is less invasive than mold, it can still be a red flag for an underlying moisture problem.
Efflorescence, on the other hand, isn’t a fungus at all. It’s a crystalline salt deposit that forms when water moves through concrete, brick, or stone. When it evaporates, it leaves behind white, powdery minerals with a distinct crusty texture.
Need a simple way to tell the difference between efflorescence and either white mold or mildew? Spray a little water on the mystery substance. If it dissolves, it’s efflorescence. You can also try pressing on it. Efflorescence will feel gritty and hard, while white mold and mildew are soft.
Still unsure of what you’re dealing with? A professional mold remediation team can give you a definitive answer.
Is White Mold Less Dangerous Than Black Mold?
Black mold has earned a fearsome reputation, but color alone doesn’t determine how dangerous a mold can be. The specific health risks of a mold outbreak depend more on the mold species and how much exposure you and your family members have over time, than on the mold’s color.
Both white and black mold can trigger allergic reactions, respiratory issues, and other health concerns in you or your family members. Young children, seniors, and anyone with a compromised immune system are at an increased risk.
Both white and black mold can also slowly eat away at the organic materials in your home, including wood, drywall, and more. Over time, this can compromise the structural integrity of your home.
That’s all to say that no matter the color, if you spot mold in your home, take action right away.
How to Get Rid of White Mold in Your Home
If you’re the DIY type, you can probably handle a small patch of white mold on your own, as long as you take the proper steps. That starts by protecting yourself. Put on rubber gloves, goggles without vents, and an N95 mask before you start cleaning. This may seem like overkill, but mold spores can easily become airborne, and you don’t want to breathe them in or get them on your skin.
Next, contain the affected area by closing doors and turning off the HVAC system. Open a window, if possible, for ventilation.
Clean the moldy surface using a commercial mold remover. Spray the mold and then scrub it off with a sponge or bristle brush. Toss your cleaning materials in a sealed plastic bag when you’re finished cleaning.
You’re not done yet. If mold appeared in your home, it likely means you’ve got a moisture problem, such as a leak, condensation, or high humidity. Unless you identify the issue and fix it, the mold will keep returning.
When to Call a Professional
Not every outbreak of white mold should be handled on your own. If the affected area’s bigger than 10 square feet, the mold keeps returning, or you’re experiencing health issues, it’s time to call in professionals like SERVPRO.
Our commercial mold remediation services include a thorough inspection of your home or business, containment, air filtration, mold removal, and cleaning. Since mold and moisture go hand in hand, we can also address any underlying water damage to stop the mold from coming back.
Find a location near you to get a professional opinion on your white mold growth.
FAQs
Can you live in a house with white mold?
While you can technically stay in your home with white mold, it’s usually not advisable. Long-term exposure to mold can cause you and your family members to experience respiratory issues, allergic reactions, and other health problems. The smart move is to address the mold promptly or temporarily vacate your home while a mold remediation service fixes the issue.
Is white mold harmful?
Yes, white mold can harm your health and your property. Exposure can cause symptoms like coughing, sneezing, headaches, and eye irritation. These symptoms can be more severe for older individuals, young children, and those with allergies or asthma. White mold can also slowly damage organic materials in your home, weakening its structural integrity over time.
Is it safe to clean white mold?
As long as you take precautions, such as wearing protective gear, it’s safe to clean small areas of white mold on your own. If the mold infestation in your home is larger than 10 square feet or is a result of previous water damage, it’s best to call in professional remediation specialists.