Person removing mold from a house

Can Mold be Completely Removed From a House?

Everything about mold, from its smell to how it looks when it takes over a part of your home can disgust anyone. Just thinking about the word probably brings up some not-so-fond memories of pulling an item from the back of the refrigerator or out of the produce bowl only to find it covered in this fungus.

Household mold is unfortunately very common, and when left unchecked, it can lead to serious health concerns such as respiratory issues and migraines. Additionally, infestations can cause serious and often irreversible damage to property and structures.

If you have the presence of mold in your house, you might be wondering if you’ll ever be able to completely remove it from your property. With so many horror stories about mold coming back after treatment, it’s easy to understand why.

In this article, we’ll explore the types of mold and what makes them grow back even after treatment. Then, we’ll share with you some tips to prevent it from coming back so you can live in peace.

Types of Mold

Mold of any kind is a fungus that expels microscopic spores, spreading them throughout the nearby environment and leading to rapid growth. Most of the time, people will identify this fungus by seeing it, but when the infestation is strong enough, you may be able to identify it by a strong musty smell.

All molds thrive in dark, damp environments with food sources such as drywall, ceiling tiles, carpet, fabric, or paint.

Familiarize yourself with the five types of mold you’re most likely to encounter in your home:

  • Alternia – causes asthma symptoms and often found in showers and tubs or near water damage
  • Aureobasidium – causes eye, nail, and skin infections and is often found behind wallpaper or behind wooden surfaces
  • Black Mold – known as toxic mold, as it produces mycotoxins that can lead to sinusitis, headache, fatigue, burning respiratory sensation, cough, nosebleeds, and more. Black mold is commonly found in hay, wood, or cardboard.
  • Ulocladium – causes hay fever, trouble breathing, and skin infections and is found near kitchens, basements, and bathrooms
  • Pink Mold – a type of bacteria found on shower tiles that feeds on soap residue that can cause infections in an open wound or eye

Sunrise With Moisture On The Windows, Which Can Lead To MoldWhy Does Mold Come Back?

If you’re wondering, “Is it possible for mold to come back even after remediation?”, the short answer is yes. That’s typically because there’s an underlying issue with moisture that has yet to be resolved.

Let’s dive deeper into that.

Mold is a fungus, and like most fungi, it’s purpose is to break down rotting, moist organic matter in order to create energy and reproduce. In nature, this is fine. In fact, it plays a critical ecological role to decompose things like dead leaves and detritus.

In the woods, mold is great. In the home, not so much.

Mold continues to survive and reproduce by expelling tiny spores that are present in the air at nearly all times. Even with excellent indoor air quality, you’re likely to still find a trace of fungus spores.

When these spores stay at trace levels, there’s really no harm or risk of health impacts. But when they become highly concentrated, that’s when you can quickly have an out of control infestation.

If you have high levels of moisture in your home and especially if you have a large presence of damp materials like drywall, carpeting, or wood, you could be creating the perfect environment for mold reproduction by accident.

Even if the obvious issue is resolved, this underlying high level of moisture will help to incubate spores and create more, which could leave you back where you started. Until you find the source of this excess moisture and stop it there, you’ll likely continue to run into mold problems.

If you’ve worked with mold removal companies and are still struggling with returning mold, this could be a sign that their remediation efforts aren’t as thorough as they could be. Mediocre mold removal services will solve the obvious problem, while truly great companies will not only solve the obvious problem, but will also search until they find the root cause.

How to Prevent Mold From Coming Back

Luckily, there are some best practices that have proven to prevent mold from making its way back into your home:

  • Identify all areas of moisture. Correct them. – Check in areas like basements, bathrooms, kitchens, and attics. Is there a leak? What’s the issue? Solve it.
  • Completely dry out any wet materials. – Whether it’s wet clothes, floor boards, carpets, or furniture – remove any and all wet materials from the home until they’re fully dry.
  • Use proper ventilation to keep moisture out. – Check that your AC unit is working well and not collecting moisture. The better ventilation you have, the less chance there is of returning mold.
  • Use strong building materials that are resistant to mold. – When possible, avoid papered materials like drywall and sheetrock.
  • Maintain indoor humidity of 30-60 percent. – A dehumidifier can help here.


If you have a mold problem in your home — especially if this is a recurring problem that the other guys haven’t been able to solve for you once and for all — you need help from the best at All Dry USA. Our mold remediation experts understand that no mold infestation is ever truly fixed without solving the root of the issue.

Ben Suiskind
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