19

August

0

By Mike Porco / in basement mould, basement mould removal /

What to Do When You Find Mould in the Basement? Step-By-Step Guide

By: 911 Water Damage Experts

Discovering mould in your basement can be alarming, but addressing it promptly is crucial. Mould can damage your home and pose significant health risks, especially if left untreated.

Basements, being prone to dampness and poor ventilation, are common breeding grounds for mould.

This article will guide you step-by-step through the process of identifying, removing, and preventing mould in your basement. With these tips, you can ensure a safer and healthier living environment.

Let’s get right into it.

Understanding Mould and Its Causes

What is Mould?

Mould is a type of fungus that thrives in damp, dark environments. It reproduces through tiny spores that travel through the air and can grow on almost any surface where moisture is present. The most common types of mould found in basements include Aspergillus, Cladosporium, and the notorious Stachybotrys chartarum, also known as black mould.

Mould exposure can lead to various health issues, particularly for individuals with respiratory conditions, allergies, or weakened immune systems. Common symptoms include coughing, wheezing, skin irritation, and in severe cases, mould exposure can cause lung infections .

Causes of Mould in Basements

Mould in basements is typically caused by a combination of high humidity, poor ventilation, and water intrusion. Common sources include:

• High Humidity Levels: Basements often have higher humidity levels due to their location below ground level, where air circulation is limited.
• Water Leaks or Flooding: Leaky pipes, foundation cracks, or flooding can introduce excess moisture into the basement, creating the perfect environment for mould growth.
• Poor Drainage: Improper drainage around the foundation can lead to water pooling near your home, eventually seeping into the basement.
• Condensation: Condensation on basement walls and floors, especially in colder climates, can contribute to mould growth if not properly managed .

Safety Precautions Before Inspection

Why Safety Matters

Before dealing with mould, it’s essential to protect yourself. Mould spores can become airborne during cleaning or inspection, leading to potential health risks, especially if you are sensitive to mould. Even non-toxic moulds can cause allergic reactions, so taking proper precautions is crucial.

Safety Gear to Wear

To minimize exposure to mould spores, ensure you have the following safety gear:

• Respirator or Mask: An N95 respirator or higher is recommended to protect your respiratory system.
• Gloves: Rubber or nitrile gloves will protect your skin from contact with mould and cleaning solutions.
• Protective Eyewear: Goggles or other protective eyewear will keep mould spores and cleaning agents out of your eyes.
• Long Sleeves and Pants: Wear clothing that covers your skin completely to avoid contact with mould spores.

Inspecting and Identifying Mould

Conducting a Visual Inspection

Start by conducting a thorough visual inspection of your basement. Common areas where mould might be hiding include corners, behind furniture, and near any water sources such as pipes or drains. Mould often appears as discoloured patches, which can be black, green, white, or even orange. It may also have a fuzzy or slimy texture.

Tools for Inspection

• Moisture Meter: Use a moisture meter to detect damp areas in walls and floors. This tool can help identify spots where mould is likely to grow.
• Flashlight: A flashlight can help you inspect dark corners and areas behind large objects.
• Camera: Document your findings with a camera or smartphone, especially if you plan to seek professional help or need evidence for insurance claims.

Determining the Extent of the Problem

After your inspection, determine if the mould problem is small and manageable or if it requires professional intervention. If the mould covers a large area (more than 10 square feet), has spread to your HVAC system, or is producing a strong musty odour, it’s time to call in the experts. In Canada, mould remediation specialists are trained to handle large or toxic infestations safely .

Removing Mould Safely

When to DIY vs. When to Call a Professional

If the mould covers a small area (less than 10 square feet) and is not toxic, you may be able to remove it yourself. However, if the affected area is larger, involves black mould, or you have health concerns, it’s best to hire a professional.

Step-by-Step DIY Mould Removal

Step 1: Contain the Area Before starting, close doors, seal vents, and cover openings with plastic sheeting to prevent mould spores from spreading to other parts of your home.

Step 2: Clean and Disinfect

• Cleaning Solutions: Use a solution of vinegar, hydrogen peroxide, or a commercial mould remover. Bleach can also be effective but is not recommended for porous surfaces like wood or drywall, as it doesn’t penetrate deeply and can leave moisture behind.
• Cleaning Techniques: Apply the cleaning solution to the mouldy area and scrub with a brush or cloth. Be thorough, ensuring you remove all visible mould.
• Disposal of Contaminated Materials: Dispose of any rags, sponges, or materials that come into contact with the mould in sealed plastic bags. If the mould has deeply penetrated surfaces like drywall, you may need to remove and replace these materials.

Step 3: Dry the Area Thoroughly Use fans, dehumidifiers, and heaters to dry the cleaned area completely. Moisture is mould’s best friend, so ensuring the area is dry will help prevent regrowth.

Professional Mould Removal Process

If you hire professional mould removal company, they will typically follow these steps:

1. Assessment: They will assess the extent of the mould problem using specialized equipment.
2. Containment: The affected area will be sealed off to prevent mould spores from spreading.
3. Removal: Professionals will remove the mould using industry-standard techniques and dispose of contaminated materials safely.
4. Cleaning and Sanitization: The area will be thoroughly cleaned and sanitized to ensure all mould is removed.
5. Restoration: If necessary, professionals will repair or replace damaged materials.

The cost of professional mould removal in Canada can vary depending on the extent of the damage, but it typically ranges from $500 to $6,000 .

Preventing Future Mould Growth

Improve Basement Ventilation

Increasing airflow in your basement can significantly reduce the risk of mould growth. Consider installing vents or exhaust fans to improve air circulation. If your basement has windows, open them periodically to let in fresh air.

Control Moisture Levels

• Dehumidifiers: Use a dehumidifier to keep humidity levels below 50%. This will help reduce the moisture that mould needs to thrive.
• Check for Leaks: Regularly inspect your basement for signs of water leaks or damage. Address any issues immediately to prevent moisture buildup.
• Proper Drainage: Ensure that the ground around your home slopes away from the foundation to prevent water from pooling near your basement walls.

Regular Monitoring

Even after mould removal, it’s essential to conduct periodic inspections of your basement. Watch for any signs of mould regrowth, such as musty odours or discolouration on walls and floors. Early detection can help prevent a minor issue from becoming a significant problem.

Legal and Health Considerations in Canada

Canadian Regulations on Mould

In Canada, homeowners and landlords are responsible for maintaining a safe living environment, which includes addressing mould issues. Health Canada provides guidelines on acceptable indoor air quality, including mould levels. Landlords are legally obligated to address mould issues in rental properties to ensure the health and safety of tenants .

Health Resources

If you or a family member experiences health issues related to mould exposure, contact your local health authority for advice. Health Canada offers resources on dealing with mould, and the Canadian Mortgage and Housing Corporation (CMHC) provides guidelines on preventing mould in homes .

Conclusion

Dealing with mould in the basement can be daunting, but with the right approach, it can be managed effectively. Remember to prioritize safety, thoroughly inspect and clean affected areas, and take steps to prevent future growth. If you’re ever unsure, don’t hesitate to seek professional help. By staying vigilant, you can keep your home mould-free and ensure a healthy environment for you and your family.

If you have any questions about our article “What To Do When You Find Mould In The Basement [GUIDE]” or need mould removal services contact us at 1-833-WE-DRY-IT any time, we’re there when you need us.

FAQs About Mould in Basements

1. What are the signs of mould in my basement?
   • Common signs include musty odours, visible discolouration on walls or floors, peeling paint, and dampness.
2. Is mould in the basement dangerous?
   • Yes, mould can pose health risks, especially for those with allergies, asthma, or compromised immune systems. Some moulds, like black mould, are particularly harmful.
3. Can I remove mould myself?
   • Small areas of non-toxic mould can often be removed safely by homeowners. However, large infestations or toxic mould should be handled by professionals.
4. What causes mould in basements?
   • Mould is caused by excess moisture, which can result from high humidity, leaks, flooding, poor ventilation, and condensation.
5. How can I prevent mould from returning?
   • To prevent mould, control moisture levels, improve ventilation, and regularly inspect your basement for leaks or dampness.
6. How do I know if the mould is toxic?
   • Toxic moulds, like Stachybotrys chartarum (black mould), often produce a strong musty smell and have a slimy texture. If you suspect toxic mould, consult a professional.
7. What is the cost of professional mould removal in Canada?
   • The cost can range from $500 to $6,000, depending on the severity and extent of the mould problem.
8. Can mould in the basement affect the rest of my house?
   • Yes, mould spores can spread through the air, potentially affecting other areas of your home, including the HVAC system.
9. Is it necessary to test for mould?
   • Testing for mould can be useful in determining the type and extent of mould, especially in severe cases. However, visible mould often indicates the need for immediate remediation.
10. What should I do if I find mould in my rental property?
    • If you find mould in a rental property, report it to your landlord immediately. Landlords are responsible for addressing mould issues to ensure tenant safety. If the issue is not resolved, you can contact local health authorities.

By understanding and following these steps, you can effectively manage mould in your basement and maintain a healthy living environment for you and your family.