Signs of mold in the home

In this article, you will find some signs to look out for that may indicate mold is growing in your home.

Allergic symptoms of mold

If you have an allergy problem, there is a good chance that mold is growing somewhere in your home. Common allergic reactions to mold include sneezing, sore eyes and runny or stuffy nose.

Do you notice that your allergic reactions are worse when you're at home but feel better when you go out? If so, you most likely have mold. If you notice that your allergies are worse in another building, such as your workplace, you may have mold growing there.

Smell a musty smell

When you have mold hidden in your home, a musty or humus smell can often be the only clue to its presence. Don't ignore mold odors if you don't see any mold. You need to carefully inspect your home before mold problems get worse.

How to inspect your home for mold?

Signs of mold growth

Visible black mold growth on a white ceiling may seem like an obvious sign of a problem. However, many people do not notice small amounts of mold or think it's just soot or dirt. Sometimes people simply ignore visible mold in their homes.

If you can see mold growth by eye, even if it is only small, you should act immediately. Small patches of mold can spread and the fact that there is mold shows that the damp conditions in your home are conducive to mold growth.

If you don't take care of the mold, it will soon become a bigger problem. Mold growth on surfaces could also be a sign of a much larger mold colony growing out of sight.

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Sometimes you may not realize that there is mold in your home, especially if it is unusual looking mold. Some molds appear white and stringy. Other molds appear as clusters of small black spots. Mold can be black, gray-brown, gray-green or white. Mold growing behind vinyl wallpaper can even appear orange, pink or purple. In the most serious cases it will be necessary to call a company specialized in the treatment of mold problems like Batiprosec.

Signs of water problems

If you've had moisture problems for a long time in your home, it's inevitable that mold will start to grow. So, if you know you've had water problems in your home, that's a pretty good alarm that you might have mold.

Some signs that you have a moisture problem include water stains or discoloration on the walls, floors or ceilings of your home. Seeing them could be a clue that there is mold inside or behind the material.

Another sign of a moisture problem is surface abnormalities such as peeling, bubbling or cracking of the paint or wallpaper. If your walls are curved, bulging or warped, it probably means that moisture has penetrated them. Another clue is if the surface of the walls or other materials are damp to the touch.

Water leaks

The above signs of water problems in the home are usually created by leaks. However, if you already know that you've had a water leakage (like leaky pipes or a leaky ceiling), that knowledge in itself, even if you don't see signs of water damage, is a good sign that you might have mold. growing in your home around the area where the leak was.

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Mold growth due to leaks can often be masked. If the leak was behind a wall or other surface. Even if the leak was not behind a wall, there could be mold hidden behind a wall because of water that has seeped in.

Past floods

If you live in a flood zone or if your home has been flooded in the past, it is likely that mold has begun to grow. Any mold would likely grow in the areas where flood water stayed the longest, such as in the basement. Floods can often create mold out of sight behind walls or under floors. To avoid getting flooded again, there are floodproofing solutions such as cofferdams and barriers.


If you see a lot of condensation in your home, it is a sign that you have a high amount of moisture and therefore a sign that you may have a mold problem. Condensation will occur on surfaces such as glass windows or metal pipes. Mold could grow where condensation collects and builds up. Rust on interior pipes is a sign that you may have a lot of condensation in your home.

Besides the fact that condensation creates a buildup of moisture on which mold grows, condensation can also be a sign that you have a moisture problem in your home. High humidity can feed mold and is another sign that you may have a potential mold problem.

Toxic symptoms of mold

If you are experiencing neurological symptoms such as headaches, concentration problems, shortened attention span, memory loss and dizziness, it could be a sign that there is toxic mold growing somewhere in your home that is poisoning you.

Mycotoxins from toxic molds such as Stachybotrys chartarum can have a much more severe adverse effect on people than the allergic symptoms caused by other non-toxic molds.

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