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Understanding How Mold Spreads in a House

moldy surface

Mold is a type of fungus that grows from microscopic spores that can be found everywhere. While mold spores are inactive, they start propagating when the humidity is over 70%. That means when the temperature is above 65 degrees, there’s a higher chance that mold will grow and spread in your home. 

Because of the dangers of mold to your health, you must understand how it could spread in your home. That’s what your trusted mold inspection company shares in this post:

Key Ingredients for Mold Growth

Mold spores are all around us, but they’re not always active, so we are not constantly exposed to mold-related health problems. For mold to grow and spread, there must be the right conditions:

Damp Surface – Mold spores need to land on a damp surface such as a wet floor, carpet, or wood.

Warm and humid surroundings – Humidity over 70% will activate mold spores.

Water source – Water is what mold needs to grow. Without a continuous supply of water, mold cannot grow.

How Mold Spreads in a House

Mold in your house may be hidden, but it’s not impossible to find it and eliminate it completely. Mold spreads through several different ways:

Airborne spores – Mold spores can spread through the air.

Warm and humid air – Warm air and humidity make it easier for these spores to spread.

Water – Mold attacks moisture, so they need a water source to grow.

Mold spores that are out in the air can easily invade your home and stay there until they’re flooded or removed. So, you need to make sure that you take note of any leaks or water damage in your home. 

What You Should Do if You Suspect Mold Growth in Your Home

If you suspect that there is mold in your home, you should call a mold inspection company to get it checked. A mold inspection is vital because mold may only be the symptom of a bigger problem. Different types of mold emit different spores that can cause illnesses.

At your mold inspection, a qualified mold inspector will take samples of the suspected areas and use different scientific equipment to find out if there is an active mold problem.

If you need to remove the mold, you should try contacting a trusted mold remediation company to do it for you. This way, you’re sure that the mold will be removed properly and that there’s no chance for it to come back.

Mold Prevention

Mold is a health hazard, and you should always know how to prevent it from growing in your home. You should:

Monitor humidity levels – Check the humidity in your home. Use a moisture meter to detect leaks or moisture in your home.

Always dry wet surfaces – Dry any wet surfaces of your home as soon as possible to keep mold from growing.

Don’t store items in your basement – Don’t store items in your basement if there’s a chance that they’ll get wet.


There are many things that you can do to prevent mold growth in your home. But, you should always be ready to call a mold inspection company if you suspect a mold problem in your house. A mold inspection will help you determine if there’s a problem, and you can work on fixing it.

AAA Restoration Utah is one of the most trusted mold inspection companies in Salt Lake City, Utah, that can provide you with reliable services to ensure that your home is free from mold. Get in touch with our team to schedule your mold inspection!