
What is white mold and is it dangerous?
White molds ruin the structural integrity by interfering with the foundation, just like the fungal termites. White molds can cause many health complications such as dizziness, allergic relations, and respiratory infections, just like other molds. Molds, in particular, are dangerous to those who have asthma.
How to get rid of mold on firewood?
- Don gloves and eye protection and liberally spray a 1-to-10 solution of bleach and water on the surface.
- Scrub tough stains with a stiff bristle brush dipped in the solution.
- Let sit for 10 to 20 minutes and rinse with a garden hose.
How to kill mold on wood?
How to Kill Mold on Wood
- Wear protective gear. It’s important to protect yourself when dealing with mold, as it can be dangerous if it’s inhaled or ingested.
- Vacuum the area. Use a vacuum with a HEPA filter to suck up any loose mold spores on or near the affected part of the wood.
- Clean off the mold. If the mold hasn’t penetrated deeply into the wood, you can probably kill it. How do you kill mold on wood?
- If necessary, sand the wood. These cleaning solutions should take care of your mold problem, but if you’ve got some stubborn traces left under the surface, you have ...
How to remove white mold from wood?
- Combine a tablespoon of borax with a cup of water, then apply this solution to the mold with a soft-bristled brush.
- Scrub away the mold, leaving the borax solution in the wood. ...
- Run a fan or dehumidifier in the room to make sure the surface of the wood dries quickly and completely, with the Borax still under the surface.

Is it OK to burn firewood with white mold?
Mold spores are a completely natural part of our environment, and actually pose an important purpose of breaking down dead organic matter found in forests – so some mold is actually good! But, if your firewood is rotting and there is visible mold and mildew on the log, it's best not to burn it.
Can moldy firewood make you sick?
Danger. When you burn moldy wood, microscopic mold spores are released from the wood into the air. These spores can easily create symptoms such as coughing; eye, throat and nose irritation; and sneezing. Those with chronic respiratory conditions such as asthma are believed to be more susceptible to these symptoms.
What do I do with moldy firewood?
Dry out firewood that has already developed mold growth away from the untainted wood in the pile. Once the wood dries out, any surface mold will die and can be brushed off with a stiff-bristled brush (wear a dust mask).
Is it OK to burn firewood with fungus?
Never burn wood with fungus in your home. Because wood is porous, it is prone to collecting moisture. Pair moist wood with a bit of time and you will end up with a pile of wood that is cloaked in fungus.
What is white fungus on wood?
White mold is a powdery fungus made up of different fungal species that can appear white, green, or grey, depending on the type of surface it has infected. Like most molds, white mold thrives in areas with high moisture like showers, crawl spaces, basements, and leaky walls.
Can mold spores survive fire?
Not for an outdoor fireplace, you would sit near, definitely not for a fire you would cook over, and not for an indoor fireplace. When you burn the firewood, the mold spores will spread, you'll inhale them when you breathe, they'll attach to your food, and disperse throughout your house.
Why are my logs going Mouldy?
Dead organic matter (firewood) and oxygen are needed but the most important factor is moisture. Generally whether we're talking about mold on your firewood or mold in your house, if you control the moisture you will control the mold.
How can you tell if wood is moldy?
If the structure of the wood looks damaged, in conjunction with discoloration, you may have mold. If the wood looks completely intact but is just slightly discolored, it might just be staining. If you can see the presence of spores on the surface of your wood packaging, then you're probably looking at mold.
Why are my logs going Mouldy?
Dead organic matter (firewood) and oxygen are needed but the most important factor is moisture. Generally whether we're talking about mold on your firewood or mold in your house, if you control the moisture you will control the mold.
What is white mold?
White resembles many other molds and thrives in wet or musty environments. Many homeowners don’t realize that they have a white mold problem because of its colour, which makes it difficult to detect. It can grow on plants, fabric, food and other organic materials like drywall, wood and carpeting. This makes it a threat not only to your health, but to the structural safety of your home.
What causes white mold?
Like other molds, white mold grows due to high moisture levels combined with the presence of a food source, and the right temperature. Common food sources for white mold include wood, drywall, carpeting, laminate, insulation and any other organic, carbon-rich material.
How to remove white mold?
While some types of mold and mildew are easy to remove with household products like vinegar, white mold is much more difficult (and dangerous) to remove on your own. It may have penetrated deep below the surface of the contaminated material or it may be growing in places you aren’t even aware of.
What is the white mold that is a fungus?
This is a type of mold with a white, fuzzy appearance caused by the airborne spores of the fungus. The mold is also known as powdery mildew due to its powdery look and texture.
Why does mold grow on walls?
White mold grows on your walls or drywall in the presence of moisture and low lights that breed its food. It can develop anywhere on your building walls, including the basement, bathrooms, laundry rooms, kitchens, and other poorly ventilated rooms. Surprisingly, you can also find white mold growing on your tiled walls.
What is the difference between white mold and efflorescence?
Tips for distinguishing between white mold and efflorescence: Efflorescence dissolves in water–mold does not. Efflorescence is typically found on concrete and brick while mold grows on organic materials like wood and drywall. White mold is a living organism (fungus) while efflorescence is simply salt deposits.
How to tell if you have white mold on your door?
white mold on door. When they first develop, white molds are very hard to detect since the spores are so tiny that they can only be seen under a microscope . Once colonies form, however, white molds appear as spots on a surface. They can be flaky, powdery, stringy or filmy at first glance.
What is the most common mold in firewood?
White mold is one of the most common molds to affect firewood. The scary thing about white mold is that sometimes it shows up as white, crystal structures while other times it can show no visible signs on wood. White mold can be dangerous and aggravate respiratory functioning.
How to keep firewood from getting moldy?
Follow these other tips to ensure that your firewood stays mold-free: 1 Properly stack your firewood as soon as it’s cut so mold doesn’t have a chance to grow. 2 Stack your firewood in a single row that’s one long thick, ensuring each piece has access to sunlight and wind. 3 Let your wood dry for six months to a year before burning it. This will ensure it’s seasoned enough to burn well and also resist mold growth. 4 If firewood already has some mold growth, move it away from the unaffected wood. Once those pieces fully dry out, the surface mold will die, and you can brush it off.
Can you burn moldy wood?
No matter the type of firewood or how securely it’s stored , most people will have to deal with moldy firewood at some point in their life. Hopefully, this guide has clarified to you how dangerous it is to burn moldy firewood and all the steps you can take to keep mold from growing on your firewood.
Is green mold a specific mold?
Green mold is not a specific mold species, but rather many mold types that have a green color. Green mold shows up as dark spots first, which eventually develop into a fuzzy layer. Healthy people typically won’t be bothered by green mold, but those who are more vulnerable could develop health problems.
Is black mold dangerous?
Black mold is hazardous. This mold has a black color; however, it rarely shows up on wood. Nevertheless, if you suspect your firewood has black mold, absolutely do not burn it. It can cause severe health problems after prolonged exposure.
Is it Dangerous to Burn Firewood with Mold?
The simple answer is: Yes. I know that’s probably not what you wanted to hear, especially if you have a whole cord that’s been infected with mold, but burning moldy firewood is undeniably dangerous.
Why is mold white?
Mold will very often appear white when it is first developing and later change color after producing spores. While other mold will remain white throughout it’s lifecycle due to the type of material that it is feeding on. No matter what the color of the mold present in your home, it should be removed.
What does white mold look like?
Once the colonies form, white molds will appear as white spots on a surface. The spots can be powdery and filmy in nature. Although it can look similar to mildew at first, white mold is more harmful since it can grow within organic materials, not just at the surface. Below is a photo of white mold growing on wood rafters in an attic.
How to tell if it's white mold in basement?
It’s easy to confuse white mold in a basement with a substance known as crystalline efflorescence. Both substances grow in high humidity areas, but efflorescence isn’t a type of mold. Efflorescence is a salt deposit left behind when moisture makes its way through concrete. In order to tell if it is white mold or efflorescence mist the affected area with water. If it’s efflorescence the salt with dissolve away. If you’re still unsure, you should have a mold inspection, because mold can spread inside the walls and floor joists.
Why is there white mold in my attic?
Below is a photo of white mold growing on wood rafters in an attic. What causes white mold. The cause of white mold is the same as all types of mold. Mold needs two things to thrive – a moist environment and a food source. Many times, the moisture is caused by leaks or poorly ventilated spaces.
What is the best place to grow white mold?
Attics . Attics provide an ideal environment for white mold since they contain plenty of food sources such as wood and insulation. Leaky roofs, condensation from fluctuating temperatures, leaky pipes, and/or poor ventilation can provide mold with the moisture it needs to grow.
Why is mold growing in my basement?
White mold in basements frequently grows on concrete walls, wooden floor joists and possessions stored there such as clothing. Water often seeps through basement walls to create a moist environment that is beneficial to mold growth. Cold outside air that comes in contact with warm indoor air in basements can also cause condensation making it a perfect breeding ground for white mold.
What are the sources of mold in a house?
Dust, cardboard, paper and other organic materials are all used as a food source for mold. Unless the mold problem in your home is very minimal, we recommend hiring a professional mold remediation service. Mold remediators can find mold in spots that aren’t visible to the eye, such as in between walls.
Why is mold more likely to form on firewood?
Generally, mold is going to be more likely to form on firewood when the firewood is exposed to moisture. Mold needs dead organic matter, oxygen, and moisture to be able to form.
How to keep firewood from getting moist?
Overall, using a tarp and placing your firewood on some type of elevated platform is a solid idea.
How to store firewood safely?
An even better solution is to simply build a firewood shed where you can safely store your firewood. This will give you a great spot where you can place your firewood and keep it safe from the elements.
Why is it important to store firewood?
Storing your firewood properly is going to be important when you’re trying to keep things safe. If you store your firewood in a bad spot, then it’s going to get moldy very easily.
Why do you need a tarp for firewood?
Using a tarp to cover your firewood will help to keep everything protected from the rain. It’ll even do a pretty good job of keeping snow off of the firewood.
Why is it important to let wind circulate under firewood?
It is a good idea to allow wind to circulate under the firewood, though, because this can keep the wood from drying up. As you remember from earlier, firewood getting too dry can make it easier for it to become moldy.
Is it better to buy firewood or find more firewood?
It would be better to go find more firewood or go out to buy firewood than it would to risk using the moldy firewood. It might seem like an inconvenience at the time, but you’re going to be better off in the long run.
What happens if you get mold on wood?
White mold on wood can cause a whole range of health complications, including dizziness, eye and skin irritation, allergic reactions, and respiratory problems. The severity of these health complications varies from person to person, with asthmatics being at the highest risk when exposed to white mold.
What Does White Mold On Wood Look Like?
White mold will appear as small white spots and patches along a surface. These white spots can either be powdery or fuzzy – read below to find out how to tell the difference.
How to get rid of white mold on furniture?
As with furniture, simply using vinegar on the affected area should be a great way of preventing the white mold from returning, especially if you let it seep into the deepest parts of the wood.
How to tell if you have mold in your house?
An easy way to tell whether the powdery substance you’ve found in your home is mold is to perform a water test – mold will not dissolve when it comes in contact with water. While there are many species of mold, the Aspergillus mold is often the culprit behind powdery-looking white mold on wood.
How to get rid of white mold on wood?
To kill white mold on wood with vinegar, cover the affected area with vinegar and let it sit there for about 60 minutes before trying to scrub or wipe it. Depending on the amount of mold present and the severity of the growth, you may need to wait longer or re-apply the vinegar.
What is white mold?
This type of mold looks very similar to the mold you’ll see growing on rotten food and is a bit easier to identify than powdery white mold. The most common types of fuzzy white mold are the Penicillium mold or the Cladosporium mold.
Why is there white mold under my house?
Just like in the basement, white mold growth under the house will usually occur due to high temperatures and high levels of humidity.
Why does firewood have mold?
Mold on firewood is caused by moisture. If the wood is able to collect enough moisture, it is going to develop mold. If you’re able to control and minimize the moisture, you’ll be able to put a stop to the mold. With this in mind, you should make sure that the firewood is stored in the correct location. Make sure that it is stored so you do not ...
What can you do with moldy wood?
So, what can you do with the wood? Well, your options are plentiful. You could try splitting the wood and getting rid of the portion that contains the mold. If you’re going to do this, you should wear suitable clothing.
How to control moisture in wood?
With this in mind, you need to find out how to control the moisture. First and foremost, you should make sure that the wood is able to dry thoroughly. Simultaneously, you need to protect the firewood from the elements. If you’re storing the wood outside, you need to make sure that it is going to be covered.
What to do if mold develops in your house?
If it develops mold, you’ll want to remove it from your home right away. Simultaneously, you should think about using a dehumidifier. This will take the moisture out of the atmosphere and help you avoid mold.
Is moldy firewood bad for you?
At the end of the day, moldy firewood can be very problematic. You should be worried that the mold is going to cause health problems for yourself and your family. You need to make sure that the mold is kept away from your loved ones. Otherwise, it could lead to problems.
Can you burn firewood with mold?
If you have asthma or you’re allergic to mold, it is best to get rid of the moldy firewood. Do not use it. If you’re perfectly healthy and you can tolerate it, you can burn the firewood without any issues. However, people who have severe allergies should avoid doing so.
Can you use moldy firewood if you are allergic to mold?
It is only going to make problems worse in the future. With that being said, you can use moldy firewood but you shouldn’t if you have a sensitivity to mold or asthma. You need to be very cautious when using the wood too.
Why do logs in a shed have mold?
I would guess the logs inside your shed contain the most mold because they did not have enough sunlight or most importantly air flow to dry. Don't worry, it takes a few years of burning firewood to figure things out. Next year you can either move your wood storage area to a sunnier spot or make sure the wood inside the shed has a lot of air flow.
Can you burn firewood in a moldy house?
If you choose to burn the moldy firewood, do not store it inside your home and place it directly inside your heating device. The real problem with mold happens when people store it inside before using it. This allows the mold spores to potentially become airborne inside your home.
Is mold on firewood a problem?
Jonathan, The amount of mold you have growing on your firewood should not be a problem to burn (keep in mind that people with Asthma or other health problems could be more sensitive to mold).
Can you burn mold on firewood?
Any mold on the firewood is burnt and goes directly up the chimney and outside. As an extra precaution, I would wash my hands after handling the moldy firewood. Overall, I wouldn't worry about the mold you have on your firewood, especially if it doesn't get any worse than what's in your pictures.
Why is white mold dangerous?
In terms of your property, white mold is dangerous because of the way it uses building materials as a food source. The mold eats away at the material, compromising its structural integrity. With enough damage, your property’s structure can become unstable. This is why it’s important to act quickly with mold growth; you want to prevent any damage from getting really bad.
What Makes White Mold Hazardous?
Among the health issues white mold can cause include allergies, eye irritation, skin irritation, headaches, respiratory infections, nausea, and dizziness. Prolonged exposure can lead to even more severe problems, such as anxiety, depression, insomnia, and memory loss. Additionally, individuals with asthma are more likely to suffer from problems if exposed to mold.
What is White Mold?
White mold is a term used to describe mold species that may be white in appearance and have a powdery texture. Among the species of white mold that are often found growing in homes are penicillium, Cladosporium, and aspergillus. However, white is just one of the colors that such mold can appear as. These mold species can also be black, gray, or green in color.
What Causes Mold Growth?
Mold often uses building materials, such as wood and drywall, as a food source because those materials contain cellulose, a main organic food source for mold. That said, if your property’s building materials have suffered water damage , mold growth is likely to follow, because the mold spores have everything they need to flourish.
Why is mold white?
If mold is white in color, then it could be because their spores have no pigments, and this is determined by what kind of surface/material the mold has developed on. Sometimes, mold will be white in its early developmental stages and then change colors once spores have been produced.
Why is white mold hard to identify?
Because of the white color quality of such mold species, white mold might be tough to identify. But as is with any mold, it’s essential that you can identify its presence so that you can have the mold growth properly addressed, and removed, to prevent further issues. Continue reading to learn more about what white mold is, how you can identify it, ...
Why is mold a food source?
Mold often uses building materials, such as wood and drywall, as a food source because those materials contain cellulose, a main organic food source for mold. That said, if your property’s building materials have suffered water damage, mold growth is likely to follow, because the mold spores have everything they need to flourish.
How to prevent mold growth in firewood?
Let firewood dry and cure in an open area to prevent mold growth.
How to get rid of mold on firewood?
The best way to get rid of mold on your firewood is to stack and store it properly. If left in a spot with access to direct sunlight and drying winds for at least six months, your firewood will have ample time to dry out and will be far less likely to develop mold.
When to stack firewood?
Stack your firewood as soon as possible after it is cut, before the mold has a chance to grow.
Does stacked firewood dry out?
Even properly stacked and piled firewood has a hard time drying out and resisting mold growth when in direct contact with moist ground. Wood pallets make an ideal base layer as air circulates well underneath them.
