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How to Prevent Mold from Reoccurring After Remediation

Published on April 24, 2025

Mold removal in Toronto is the first step of a two-part process to eradicate mold in your home. Just like with many human diseases or illnesses, prevention is the next step — and nobody is better equipped to help you with black mold removal and prevention than MoldTech. We’ve helped thousands of families across Toronto eliminate household mold and prevent it from happening again using our knowledgeable insights into mold habits, growth patterns, and causes. Today, we’re outlining some of the most common causes of mold growth and how you can watch out for these risks and warning signs to avoid repeat remediation. 

Identifying and Addressing the Root Cause of Mold Growth

mold removal torontoMold growth is caused mainly by moisture and poor airflow. Leaks, drips, condensation, and high humidity are the most common causes of moisture accumulation outside of sinks, drains, and tubs, where water is controlled and funnelled away. Lingering water problems are what cause mold, especially when they’re in hard-to-spot places like in the attic, inside walls, or behind flooring or heavy appliances. 

While there’s always air around us at home, it isn’t always moving — and that movement is key. Adequate ventilation helps to evaporate moisture and prevents mold from growing. Mold growth can quickly damage structures of your home like beams and insulation; this has knock-on effects, like poor temperature control and structural problems that can quickly become costly and disruptive to repair. 

Maintaining Proper Ventilation and Humidity Control

One of our team’s first recommendations is to start monitoring humidity at home. Inexpensive monitors from the hardware store can help you maintain indoor humidity at 50%, which is both comfortable for habitation (dry air = dry skin) but not moist enough to encourage out-of-control mold growth. 

MoldTech also often recommends exhaust fans in key areas like the bathroom or kitchen, where everyday activities like bathing or cooking can increase humidity. By using a fan to whisk humid air out of the house, you prevent it from settling or absorbing into surfaces. In some spaces, like the basement or crawlspace, you may need to use a dehumidifier to reduce humidity; several modern brands can be plumbed in and run on timers, making them easy to operate with no fussy buckets to empty. 

Regular Inspections and Maintenance

When you hire MoldTech for mold inspection in Toronto, one of the first things we do is take readings of your home’s ambient conditions. This can alert us to hidden mold infestations and prompt a closer look at areas that may be at risk. Catching emergent mold infestations before they become entrenched and start causing serious damage is critical!

While some homeowners spot visible mold growth on a wall, many others never see a mold problem — they only experience the signs and symptoms of mold growth. Signs like sneezing or coughing mimic common viruses or seasonal allergies, making it easy to mistake them as something less serious. 

If you find yourself with a persistent cough or suffer from strange symptoms that are active only at home, it’s time to book a mold inspection. MoldTech will thoroughly inspect the interior and exterior of your home to assess for any risk factors and detect hidden or visible mold growth.  

The Role of Professional Mold Remediation in Prevention

Mold removal can be tricky — whether we’re negotiating the dark of an attic or carefully restoring a treasured object, the margin for error is very fine. Black mold removal should always be done by a professional to prevent cross-contamination, secondary damage, and errors. Many of the mold-removal chemicals available at the hardware store aren’t worth the risk, either; caustic and damaging, they are often more of a danger to human health than to the mold they’re supposed to treat. 

At MoldTech, we have over a decade of training and education in mold removal and remediation. We’ll find hidden colonies that DIY methods miss and help identify the cause behind the infestation, which will allow you to treat it and prevent a recurring infestation. The value of working with a team like ours is that you’ll get treatment and prevention in one — not to mention clean and tidy work and our friendly team! 

If you’re curious whether you need mold removal in Toronto, contact MoldTech for a consultation or advice. We’ll help you understand your home’s unique environment and work with you to set up a long-term prevention plan. Email or phone MoldTech to speak to a team member today! 

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