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How To Prevent Mold In The Attic

Published on January 25, 2021

We’re often asked what room in the home is most prone to mold growth, and our answer is always the same - attic mold removal is one of our most requested services. Having mold in your attic is common, whether your home is a new build or a century property - there are several factors, mistakes, and issues that make the attic more susceptible than most rooms in your home. The good news is that mold in the attic is easy to prevent! 

Steps to Preventing Mold In The Attic

Inspect regularly

If your home is like most in the GTA, the attic isn’t easy to get to, making regular attic inspections low on the priority list. But a yearly (or better yet - seasonal!) inspection is often the best weapon in preventing attic mold growth. Regular checks can alert you to changes in colour, texture, or any signs of water condensation that may indicate an issue. 


Good airflow in the attic is key to its proper functioning. Moving air dries out moisture and moves spores along - and out - of the attic. Blocked soffits, vents, or other air-flow issues can shift or degrade insulation and are the top causes for mold in an attic. 


One of the most important renovations you can do to prevent mold from growing in the attic and improve your overall home is to upgrade or install more insulation. Insulation helps with ventilation, resists moisture and helps with things like energy loss and temperature control. 

Route Vents to the Outdoors

One of the most common reasons for mold in the attic is bathroom or kitchen exhaust vents that have been routed to lead into the attic. This is one of the worst things you can do because heated, moisture laden air is deposited into your attic where it can quickly degrade insulation, cause condensation across roof sheathing, and spawn a mold infestation. 

Inspect Your Roof

The other part of a healthy attic is a healthy roof. Shingles generally need replacing every 25-30 years, but heavy rain, ice, wind, or snow storms, and trees or other debris can damage shingles, soffits or vents. Regularly checking the exterior of your home and paying attention to potential damage or roofing issues can help prevent attic mold inside. 

Professional Attic Mold Removal

With over a decade of experience helping families in the GTA removing attic mold, basement mold, bathroom mold and more, MoldTech is one of the most trusted mold remediation companies in Toronto. While attic mold is common, mold inspections and mold testing can help spot an infestation before it becomes a serious problem. For more information on attic mold removal in Toronto and how we test for mold, get in touch at 1-866-684-7684, or request a free estimate online. 


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