Mold is like an uninvited guest—no matter how many times you try to clean it up, it finds a way back. You scrub, you spray, and for a moment, it feels like you’ve won. But then, those stubborn spots return again. Why does this keep happening?
If this sounds familiar, you’re not alone. Many homeowners struggle to figure out how to get rid of mold for good because they don’t address the root cause.
The good news? You don’t have to keep battling it forever. This guide will show you how to permanently eliminate mold, even if it keeps coming back.
We’ve helped hundreds of homeowners win their fight against recurring mold problems. With years of experience in professional mold remediation, we’ve seen it all—bathroom ceilings, basement walls, and even hidden infestations behind drywall. Using proven methods, we’ve helped people make their homes mold-free, and now we’re sharing those same tips with you.
Who Is This Guide For?
This guide is perfect for:
- Homeowners dealing with recurring mold problems.
- Anyone tired of wasting time and money on temporary fixes.
- Those looking to protect their home and family’s health with long-term solutions.
What You’ll Learn:
- Why mold keeps returning and the common mistakes most people make.
- How to get rid of mold permanently by addressing the root cause.
- The best prevention strategies to stop mold from returning.
Let’s dive in and tackle your mold problem once and for all!
Step 1: Identify the Source of Moisture
Mold thrives in damp environments, and excess moisture is one of the leading causes of indoor mold growth. Health Canada emphasizes fixing moisture problems quickly to stop mold from spreading.
A damp basement often results from poor drainage around the home. Regrading the landscape to direct water away or installing a sump pump solves this issue effectively.
- Best Practices:
- Check plumbing for leaks, especially under sinks and behind walls.
- Look for signs of roof leaks or clogged gutters that lead to standing water.
- Use a hygrometer to monitor humidity levels and keep them below 50%.
- Action Tip: Fix moisture problems as soon as you find them to reduce the chances of mold taking hold.
Step 2: Inspect for Hidden Mold
Mold isn’t always visible. It often grows behind walls, under floors, or in ventilation systems. Professionals use tools like moisture meters or thermal imaging to locate these hidden infestations.
- Best Practices:
- Look for musty odors or water stains that suggest hidden mold.
- Inspect crawl spaces, attics, and areas around air ducts.
- Consider professional mold testing if you suspect hidden infestations.
- Action Tip: Regularly check overlooked areas of your home to catch hidden mold early.
Step 3: Clean Visible Mold Safely
Choosing the right cleaning method is critical when dealing with visible mold. The Canadian Centre for Occupational Health and Safety (CCOHS) advises against using bleach on porous surfaces because it doesn’t reach deep enough to remove mold roots effectively.
On bathroom tiles, a mixture of 1 cup vinegar and 1 gallon of water cleans mold effectively. For tougher spots, spray the solution directly, let it sit for 10 minutes, and scrub thoroughly.
- Best Practices:
- Use mold-specific cleaning products or natural options like vinegar and water for non-porous surfaces.
- Replace porous materials like drywall or carpets if mold has deeply penetrated them.
- Wear gloves, a mask, and goggles to protect yourself while cleaning.
- Action Tip: Thoroughly remove mold from all surfaces to prevent it from spreading.
Step 4: Fix Leaks and Seal Vulnerable Areas
Leaky plumbing, cracks, and damaged seals create ideal conditions for mold to grow. The Canadian Construction Association stresses fixing water damage immediately to stop mold from taking over.
Even a small crack in a basement wall can let water seep in during heavy rain. Sealing the crack with waterproof epoxy prevents moisture from getting inside and feeding mold.
- Best Practices:
- Fix plumbing and roof leaks without delay.
- Seal cracks in walls, windows, and foundations to block moisture.
- Clean gutters regularly to ensure proper drainage and avoid water pooling near your home.
- Action Tip: Repair leaks and seal cracks quickly to stop water from entering and creating a mold-friendly environment.
Step 5: Control Indoor Humidity
Managing indoor humidity is critical for preventing mold. Health Canada recommends keeping humidity levels between 30% and 50%.
Placing a hygrometer in a basement often reveals high humidity levels, sometimes exceeding 65%. Running a dehumidifier for two days reduces those levels to 45%, significantly lowering the risk of mold forming.
- Best Practices:
- Use a dehumidifier in damp areas, especially basements and bathrooms.
- Run exhaust fans when cooking, showering, or doing laundry.
- Improve airflow by opening windows or using ceiling fans to circulate air.
- Action Tip: Regularly monitor and adjust humidity levels to keep mold at bay.
Step 6: Improve Ventilation
Proper ventilation prevents moisture buildup in areas like kitchens and bathrooms. According to the Canada Mortgage and Housing Corporation (CMHC), improving airflow significantly lowers the risk of mold returning.
One homeowner noticed constant condensation on their bathroom walls. Installing an exhaust fan and running it for 20 minutes after each shower eliminated the moisture problem entirely.
- Best Practices:
- Install exhaust fans in high-moisture areas like bathrooms and kitchens.
- Keep air ducts clean and unobstructed to improve airflow throughout the home.
- Leave space between furniture and walls to allow air to circulate freely.
Step 7: Know When to Call Professionals
Sometimes mold problems require professional intervention. If you’ve tried multiple solutions but the problem persists, it’s time to bring in experts. Professionals use advanced tools and techniques to detect and remove mold thoroughly.
- When to Call:
- Large or recurring infestations.
- Mold in HVAC systems or hard-to-reach areas.
- Suspected toxic mold, such as black mold.
📞 Call Cross Brothers Demolition today for a consultation.
Final Thoughts
Mold can feel like a constant battle, but the right approach wins every time. By addressing the root causes—moisture, leaks, and poor ventilation—and following these 7 steps, you can make your home mold-free for good. Prevention is just as important as cleanup, so be proactive in keeping your space healthy and dry.
📞 Call us today to schedule your consultation and let our experts help you protect your home for the long term.