Quick Answer: How Can You Tell If You Have Mold Behind Drywall?

What does black mold look like on drywall?

If your home or building has had water damage to its drywall or wallpaper, there is a high probability that this toxic black mold is present.

When wet, the mold looks greenish-black and slimy, but can also look black and soot-like.

This mold variety grows on material with low nitrogen and high cellulose content..

What if mold is behind drywall?

Surface Changes and Deterioration. Your walls’ appearance can change significantly if there’s mold growth behind them. In addition to discoloration and stains, your walls may deteriorate. Paint or wallpaper can crack, peel, or bubble because of moisture and mold growth.

Can mold behind walls make you sick?

In some cases, mold in your home can make you sick, especially if you have allergies or asthma. Whether or not you’re allergic to molds, mold exposure can irritate your eyes, skin, nose, throat, and lungs. Here’s what you can do to combat mold problems, and take care of yourself and your home.

Will mold eventually die without moisture?

FACT: Although molds cannot grow on inorganic substances such as metal or glass they can grow on built up dust and dirt that accumulates on these items provided sufficient moisture is present. … Without water, molds die but the spores do not. If water returns, the spores regenerate growing colonies of mold.

How dangerous is mold behind drywall?

Removing black mold behind drywall is a serious task. … They include Aspergillus (which can cause allergic reactions and respiratory infections), aureobasidium (which can cause more severe reactions than black mold on walls), Chaetomium, Penicillium, and Serpula Lacrymans (that can also grow on wood surfaces).

How do I get rid of mold behind drywall?

Scrub the surface mold stains from walls and wood trim with a mixture of one quart water and 1/2-cup bleach mold cleaner to kill the mold. Use a soft brush and work until signs of the mold disappear. After scrubbing the surfaces, allow the bleach solution to continue to penetrate the surfaces and dry.

How expensive is mold removal?

The average cost of mold remediation is $2,325, with most homeowners spending between $1,500–$3,150 or $15 to $30 per square foot. A small mold removal job costs an average price of $500–$1,500 while a larger job costs around $3,000–$6,000.

Does mold go away by itself?

Because household mold is a living organism, it’s natural to think that, without the proper sustenance it needs, it will eventually die off on its own. Oh, if it were only that easy. Mold is the equivalent to Uncle Eddie from the National Lampoon’s Vacation movies but without the humor.

Can Mold spores travel through drywall?

Easy to Spread – Mold on drywall is a problem because it gives the spores access to a large portion of your home. As these growths spread rapidly, they will take root in other areas, such as your HVAC system, and potentially spread spores through the air.

What are signs of mold in your house?

13 sneaky signs there might be mold in your houseYour air conditioning or heating smells weird. … The grout between your shower tiles is dark. … Your wallpaper is peeling. … You feel like you have a cold that just won’t go away. … You find dark or colored spots on your walls. … Your asthma mysteriously worsens. … You feel itchy.More items…•

Will mold in walls die?

Mold requires moisture to grow but can remain inactive for a while until it is exposed to moisture or high levels of humidity. Without constant moisture, mold will become inactive but they never die unless you get rid of them completely.

Does bleach kill black mold?

Killing Black Mold with Bleach on a hard, non-porous surface will kill nearly any type of mold spore(s) that it comes in contact with. … The mold killing agent in the bleach (chlorine) simply does not reach the root and instead, leaves the moisture content of the bleach behind in its wake.

Will a dehumidifier kill mold?

Mold stays “dormant” in the air or on surfaces even when there’s no excess moisture to help it grow. … So, to answer your question, dehumidifiers do NOT kill mold, but they do prevent it by reducing humidity. If you have a mold problem in your home, don’t wait. Mold spreads as long as it has a water source.

Can you live in a house with mold?

Dangers of Mold Sneaking Into the Home The CDC, or the Centers for Disease Control and Prevention, warns about the dangers of living with mold in the home: Respiratory tract symptoms that include coughing, wheezing, and swelling of the throat. Those who have asthma and allergy problems are especially at risk.