What Is Causing Mold To Develop On The Roof?

Mold is a problem that can develop both in your home and also on the exterior. The roof is particularly vulnerable to mold. Even though the mold is on the roof, it can still have an effect on you and your family. If your roof has mold, here is what you need to know.  

What Causes Mold? 

Your roof is exposed to a lot of moisture. Humidity, rain, and snow can weave their way under the shingles of your roof and lead to mold development. The mold is not just confined to the roof. It can spread throughout your attic and affect any items that you are storing in the space.  

Mold on the roof is usually not spotted right away because of its location. Therefore, it is important to do monthly checks for mold. Your check should not be limited to just your roof, but also the attic. Once moisture enters those spaces, it can take just a couple of days before the mold starts to develop. 

Another possible culprit of mold in the roof is missing or incorrectly installed insulation. If you install the wrong insulation, it can trap moisture and help to accelerate the growth of mold.  

Poor attic ventilation could also be at fault. As heat rises in your home, it gets trapped in the attic. If you have proper ventilation, the heated air will be expelled from the space. If you do not, the heat will build up and the area will become moist, which is a feeding ground for mold.  

What Can You Do? 

If you notice mold on the roof or in the attic, you need to find the source of it first. Start by checking your roof for a leak. If there is a leak, it will need to be repaired immediately to keep moisture from entering your attic.  

You also need to assess the ventilation in the attic. If you are unsure whether or not you have sufficient ventilation, now is the time to call a roofing contractor. He or she can evaluate the current venting system to determine if additional vents need to be added.  

Once you have identified the source, you need to clean the mold. You can choose to hire a professional mold remediation service or do it yourself. If you are doing the work, take proper safety precautions, such as wearing a protective mask, while cleaning the mold. Remember to disinfect the affected areas after removing the mold. You should also talk with a roofing contractor like Emmons Roofing & Siding LLC for more advice.


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