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How to Spot & Treat Signs of Mold in Your House
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Plumber looking for mold

Signs of Mold in Your House: Spot, Treat, and Prevent Damage

Plumber looking for mold

Is your home in danger of mold growth? Our research shows that mold is a significant risk in states like Louisiana, Florida, Mississippi, Alabama, and Rhode Island. However, even in cold or dry regions, water damage, and flooding can lead to mold growth that quickly spirals out of control. As a homeowner, recognizing the signs of mold proves essential to have a plan in place to address it promptly.

Risks of having mold in your home

Having mold in the home is more than a cause of allergies and unpleasant odor, it can also have health implications. Knowing the effects is your best motivation to invest in some help. 

The impact of mold on your health

According to the New York Department of Health, the most common signs of mold exposure related to your health are allergy symptoms. However, in rare cases, mold could cause illness or serious infections. The most common symptoms include:

  • Congestion
  • Eye irritation, such as itchy, red, watery eyes
  • Coughing or wheezing
  • Itchy or sore throat
  • Rashes
  • Headaches

Those with asthma should be especially wary of mold in the home; exposure can lead to restricted breathing and airway irritation. If you have asthma (or suspect you might) and are worried about mold, talk to your doctor about next steps and treatment.

The impact of mold on your home

Mold is much more likely to cause damage to your home than your health--it can eat away at wood, drywall, and structural elements. Forbes averages mold remediation/repairs at $2.50 per square foot, which means these costs can add up quickly. 

Beyond pricey repairs, mold can also have an impact on your home’s resale value. Of course, people are much less likely to buy homes with splotches, stains, and noticeable odor. Furthermore, educated buyers know that mold points to larger issues, like drainage problems or water damage throughout the structure. 

Signs you have a mold problem

Moldy Home

By recognizing early signs and taking preventative steps, you can avoid costly mold repairs. Although all mold types need professional attention, knowing the different varieties can help you identify potential toxic infestations early.

Early signs of mold in your house

The longer you allow mold to colonize, the more damage it will cause. The best way to catch mold before it’s visible is to pay attention to physical symptoms and sources of moisture. Any condensation and water damage puts your home at risk for mold. The top sources include:

  • Sinks
  • Showers
  • Leaky pipes
  • Leaky roof
  • HVAC systems

Consider scheduling regular, preventative inspections and be on the lookout for issues.

Physical signs of mold in your house

Once you see or smell mold, act before it spreads further and seek a professional for a diagnosis. Depending on the type, mold could appear green, brown, or black and may have fuzzy patches. 

Identify black mold

Black Mold

Toxic black mold, also known as Stachybotrys chartarum, produces dangerous airborne spores that harm air quality. Contrary to its name, black mold may have either a black or dark green appearance. It can be slimy or fuzzy, have a potent and rotten smell, and be stubborn with household cleaners.

Identify other types of mold

Other types of mold

The CDC lists Cladosporium, Penicillium, and Aspergillus as the most common types of mold. They come in many shapes and sizes, from pink to bluish-green, yellow, and brown. These types of mold can have a musty, stale smell.

How to differentiate between mold and mildew

Mold vs Mildew

Mold and mildew are both types of fungi, but they differ in appearance, growth patterns, and the conditions in which they thrive. Unlike mold, mildew is usually powdery or downy and is often white or gray. It typically grows on the surface of materials like plants, fabrics, and shower walls in warm, damp areas. 

How do you check for mold in your home?

Mold is stealthy; sometimes it hides behind walls, under floors, or in HVAC systems. So how would you know if you had a hidden problem? Your best option is to take a preventative approach and educate yourself about the signs. At a high level, you can:

  • Look for signs of water damage 
  • Pay attention to smells omitted from your heating and cooling system and get regular inspections
  • Check for bubbling paint
  • Check for any signs of discoloration

Mold in your HVAC system

In addition to typical symptoms of mold, some HVAC-specific signs include:

  • Increased energy bills
  • Performance issues with regulating temperature and providing adequate airflow
  • Leaks and condensation surrounding your system

Call an HVAC repair company if you need help diagnosing and planning next steps.

Getting a professional inspection

If you are experiencing any signs of mold (aside from your HVAC system which can be handled by an HVAC repair company), it’s time to enlist the help of a professional mold inspector. Mold inspectors are typically professionals with backgrounds in building science, environmental health, or construction. They use tools like moisture meters, air samplers, and thermal imaging cameras to detect mold and identify potential problem areas.

When choosing an inspector, read reviews carefully and look for certifications like the American Council for Accredited Certification (ACAC) or the National Association of Mold Remediators and Inspectors (NAMRI). A reputable inspector should provide a clear report, be transparent about their process, and not have conflicts of interest, like offering mold remediation services as well.

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What to do if I suspect mold?

You can try to treat mold on your own, but it’s always a gamble. Consider trusting a professional from the get-go and take back some peace of mind.

 DIY mold removal vs. calling a professional 

Removing Mold

First and foremost, any porous material will have to be removed completely. For hard surfaces, be prepared to clean thoroughly. If you can wipe some mold off with bleach and it easily dissolves, self-removal might work for you. Home Depot recommends one of these three solutions for DIY mold removal:

  • Undiluted white vinegar
  • A mixture of one cup of bleach and a gallon of water
  • A 50/50 solution of ammonia and water

If cleaning yourself, use personal protective equipment like goggles, rubber gloves, and a face mask to minimize mold and chemical exposure. If you decide to try and DIY, be sure to monitor each day, be wary of new mold developing, and keep the area as dry as possible.

 When to call a lawyer

In more serious cases, you may have grounds for a mold or mildew lawsuit. Contact a lawyer if you believe mold is caused by construction defects, your landlord has violated habitability standards, or a real estate sale failed to disclose mold-related issues. Your lawyer will guide you to hire a qualified hygienist for investigation and testing, as well as help you gather the necessary documentation for legal proceedings.

 Mold myths and misconceptions

Being aware of common mold misconceptions can help you diagnose issues faster. Remember that mold comes in many shapes and sizes, and it’s always best to trust a professional for advice!

  1. Myth: Mold is always black: Mold comes in many colors, from pink and green to yellow and brown. 
  2. Myth: Bleach kills mold: Bleach can help clean up the appearance of your mold problem, but it does not always treat the core issue. In some instances, it can cause the mold to release spores and spread further. 
  3. Myth: Mold can be easily treated on your own: For areas larger than 10 square feet, the EPA recommends trusting a professional for help. However, even in smaller areas, DIY removal is no guarantee. 
  4. Myth: Once mold is gone, it won’t come back: As long as there is moisture, mold can return! Be sure to completely dry previously moldy areas. Check for leaks and reduce humidity to be sure you’re in the clear.

How to mold-proof your home

While it's impossible to completely eliminate mold spores from your home, you can significantly reduce the risk of mold growth by maintaining proper conditions. These steps can help create an environment less conducive to growth.

  • Keep indoor humidity levels below 60% by using dehumidifiers or air conditioners.
  • Repair any leaks in plumbing, roofs, or windows promptly to prevent moisture buildup.
  • Use exhaust fans in bathrooms and kitchens to ventilate areas prone to humidity.
  • Regularly clean gutters to ensure water flows freely and doesn't collect near your home. Additionally, ensure water is draining away from your home's foundation to prevent moisture from seeping into the structure. 

Conclusion

As a homeowner, mold isn't the only risk you need to worry about. System and appliance failures often occur at the most inopportune moments, leaving you without essential items like your AC, heating system, refrigerator, dishwasher, or laundry appliances.

Don’t be caught unprepared. With an American Home Shield® home warranty, you can safeguard your home’s most important systems and appliances. If an unexpected breakdown happens, you’ll have a reliable company to contact for affordable repair assistance. Explore our plans and coverage options to find the ideal warranty for your home.

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