Note: This article may contain affiliate links, which means if you make a purchase following our links won’t cost you extra, but we may earn a commission. Learn more
If you are planning to build a fire pit, you may be wondering if you can use pressure-treated wood. No, you can’t do this.
Pressure-treated wood is wood that has been treated with a chemical to help protect it from rot and insect damage. The chemical that is used is called chromate copper arsenate (CCA). CCA is a preservative that is applied to the wood to help it resist decay.
While CCA is effective at protecting pressure-treated wood from rot and insect damage, it is not effective at protecting the wood from the fire. In fact, CCA-treated wood can actually be more flammable than untreated wood. This is because the chemicals in the CCA can break down and release toxic fumes when the wood is burned.
If you are planning to build a fire pit, you should ensure that your fire pit is safe to use and will not release any toxic fumes.
Types of Pressure-treated Wood
Alkaline copper quaternary (ACQ): This type is commonly used in the United States and Canada and is the most common type of pressure-treated wood. It contains a copper-based preservative that helps protect the wood from rot and decay. ACQ is also a good choice for fire pits because it is not as corrosive as some other types of pressure-treated wood.
Chromated copper arsenate (CCA): This is another type of pressure-treated wood that is commonly used in the United States. It contains a copper-based preservative that helps protect the wood from rot and decay. CCA is also a good choice for fire pits because it is not as corrosive as some other types of pressure-treated wood.
Creosote: This is a coal tar-based preservative that is commonly used in the United States. It is a good choice for fire pits because it is not as corrosive as some other types of pressure-treated wood. However, creosote can be toxic if inhaled, so it is important to use it in well-ventilated areas.
Pentachlorophenol: This is a chemical preservative that is commonly used in the United States. It is a good choice for fire pits because it is not as corrosive as some other types of pressure-treated wood. However, pentachlorophenol can be toxic if inhaled, so it is important to use it in well-ventilated areas.
Copper azole: This is a copper-based preservative that is used in the United States and Canada. It is a good choice for fire pits because it is not as corrosive as some other types of pressure-treated wood.
Engineered Wood: Engineered wood, such as laminated veneer lumber (LVL), is the most expensive type of pressure-treated wood. But it’s also the most durable. Engineered wood is pressure-treated with a chemical called borates. Borates are effective at protecting engineered wood from rot, pests, and fire.
How is Pressure-treated Wood Made?
According to the EPA, pressure-treated wood is not safe to use in your fire pit. The process of pressure-treating wood involves using a high-pressure chamber to force chemicals (solution containing chromium, copper, and arsenic) deep into the wood. These chemicals act as a preservative, helping to protect the wood from rot, decay, and insect infestation. The most common chemical used in pressure-treated wood is chromate copper arsenate (CCA), which is a mixture of arsenic and chromium.
Never burn pressure-treated wood indoors. The fumes from burning pressure-treated wood can be harmful to your health.
When disposing of pressure-treated wood ashes, do not place them in your compost bin. Instead, bury them in your garden or yard, or dispose of them in your trash.
Do not use pressure-treated wood for food containers, such as cutting boards or picnic tables.
Do not burn pressure-treated wood if you are pregnant or have respiratory problems, such as asthma.
Symptoms of Exposure to Pressure-treated Wood
If you’ve ever come into contact with pressure-treated wood, you know that it has a distinct chemical smell. This is because the wood has been treated with a preservative chemical to extend its lifespan.
When it comes to using pressure-treated wood in your fire pit, it is important to be aware of the potential symptoms of exposure to the chemicals in the wood. Pressure-treated wood is treated with chemicals that help protect it from rot and insect damage. However, these chemicals can be released into the air when the wood is burned, and they can be harmful to your health if you are exposed to them.
The most common symptom of exposure to pressure-treated wood is respiratory irritation. This can include coughing, wheezing, and difficulty breathing. Pressure-treated wood may also cause skin irritation, and if the smoke from the fire pit is inhaled, it can irritate the eyes and throat. In some cases, exposure to pressure-treated wood can also cause nausea and vomiting.
If you experience any of these symptoms after being exposed to pressure-treated wood smoke, it is important to seek medical attention immediately. In severe cases, exposure to the chemicals in pressure-treated wood can be fatal.
Can You Burn Pressure-treated Wood?
In a word- no! If you are considering burning pressure-treated wood in your fire pit, there are a few things you should know. Pressure-treated wood is often treated with chemicals that can be harmful to your health if inhaled. Additionally, the chemicals in pressure-treated wood can also be released into the environment when burned.
Chromated copper arsenate (CCA) was once popular but has now been banned from many other uses since 2004, reserving it primarily for industrial and harsh marine applications.
Here are a few reasons why you shouldn’t burn pressure-treated wood in your fire pit:
1. Pressure-treated wood is often treated with chemicals that can be harmful to your health if inhaled.
2. The chemicals in pressure-treated wood can also be released into the environment when burned.
3. Burning pressure-treated wood can produce a large amount of smoke and ash.
4. Pressure-treated wood often contains toxins that can be harmful to plants and animals.
5. Burning pressure-treated wood can release these toxins into the air, soil, and water.
If you are looking for wood to burn in your fire pit, it is best to choose a different type of wood.
How to Tell if the Wood is Pressure-treated?
If you’re working with pressure-treated wood, it’s important to know if the lumber has been properly treated. Pressure-treated wood is infused with chemicals to protect it from rot, insects, and moisture. These chemicals can be harmful to your health, so it’s important to take precautions when working with pressure-treated wood.
Look for an end tag: If you’re unsure whether or not the wood you’re using for your fire pit is pressure-treated, there’s an easy way to check – look for an end tag. Pressure-treated wood will have a tag stapled to one end that will list the treating chemical and the AWPA (American Wood Protection Association) retention level. If you can’t find a tag, or the tag is unreadable, assume the wood is not pressure-treated.
It’s important to know if your wood is pressure-treated because you shouldn’t burn it in your fire pit. Pressure-treated wood is treated with chemicals that can be released into the air when burned, and these chemicals can be harmful to your health. So, play it safe and only burn wood that you know is not pressure-treated.
Find the stamp: You can tell if the wood is pressure-treated by looking for a stamp on the end of the lumber. The stamp will say something like “pressure-treated” or “PT.” Some stamps may also have a code that indicates the type of preservative used. If you can’t find a stamp, the lumber may still be pressure-treated. Older lumber may not have a stamp because pressure-treating was not always required by law.
Check the color: If you’re thinking about burning pressure-treated wood, you might want to think again. Pressure-treated wood is treated with chemicals that make it resistant to rot and insect damage.
One way to know is to check the color. Pressure-treated wood is usually a greenish color. If you see wood that’s a different color, it’s probably not pressure-treated.
Telling by eye: If you’re not sure whether or not your wood is pressure-treated, there are a few ways to tell. One is by looking at the end of the boards; pressure-treated lumber is often stamped with a .40 or .60, signifying the amount of preservative per cubic foot of wood.
Another way to tell is by its color. Pressure-treated lumber is usually a greenish-brown, although it can also be a lighter tan. If the wood is a different color, it’s probably not pressure-treated.
Finally, pressure-treated lumber is also often sold in distinctive green bags. If you see these bags, you can be sure that the lumber inside is pressure-treated.
Get a fact sheet: The best way to know if the wood is pressure-treated is to get a fact sheet from the supplier. The fact sheet should list the chemicals used in the treatment process. If you can’t find a fact sheet, you can also ask the supplier if the wood is pressure-treated.
If you do burn pressure-treated wood, be sure to do so in a well-ventilated area. Also, avoid inhaling the smoke and ashes, and wash your hands after handling the wood.
Find the retention level: To find out if the wood is pressure-treated, look for a label or stamp that indicates the level of preservative retention. The level of retention is expressed as a percentage of the original preservative concentration. For example, a label that reads “retention level: 0.40%” means that the wood contains 0.40% of the original preservative concentration.
Lumber dimension: When it comes to pressure-treated lumber, the lumber dimension is a key factor in determining whether or not the wood is pressure-treated. If the lumber dimension is five-eighths of an inch or greater, then the wood is likely pressure-treated. However, if the lumber dimension is less than five-eighths of an inch, then the wood is probably not pressure-treated.
This is because the process of pressure-treating lumber involves injecting chemicals into the wood, and the chemicals need a certain amount of surface area to penetrate the wood. Therefore, lumber that is pressure-treated will typically have a thicker dimension than lumber that is not pressure-treated.
Smell the wood: One way to tell if the wood is pressure-treated is by smell. Pressure-treated wood has a distinct chemical odor that is easily recognizable. If you can smell the chemicals in the wood, it’s likely that the lumber has been properly treated.
Measure the width: If the wood has a strong chemical smell, it is likely that it has been pressure-treated. Pressure-treated wood is often treated with chemicals that give it a strong smell.
Use a wood testing kit: There are a few different ways to test wood. One is to use a wood testing kit, which you can purchase at most hardware stores. These kits usually come with a small vial of the test solution and a swab. To use the kit, simply apply a few drops of the test solution to the swab and then rub it onto a small area of the wood. If the wood is pressure-treated, the swab will change color.
Symptoms of Exposure to Pressure-treated Wood
When it comes to wood, there are different types that are used for different purposes. Pressure-treated wood is one type that is often used for things like decks, playgrounds, and picnic tables. This type of wood has been treated with chemicals that help it resist rot and pests.
However, this also means that pressure-treated wood can be dangerous if it’s not used properly. One of the dangers of pressure-treated wood is that it can release harmful chemicals if it’s burned. These chemicals can include arsenic and other toxins that can be harmful to your health. Inhaling the smoke from burning pressure-treated wood can also be dangerous.
If you come into contact with pressure-treated wood, it’s important to wash your hands thoroughly afterward. You should also avoid burning this type of wood, and if you must burn it, make sure to do so in a well-ventilated area.
FAQs
What Does Pressure-treated Wood Look Like?
Pressure-treated wood is often used in construction projects because it is resistant to rot and insect damage. The wood is treated with chemicals that make it difficult for insects to penetrate the wood and cause damage. The chemicals also make the wood more resistant to rot. The treated wood is usually a greenish color, brown, tan, or olive. But it can also be stained to match the color of the surrounding wood.
Neighbor Burning Pressure-treated Wood
If you have a neighbor who burns pressure-treated wood, there are a few things you should be aware of. First of all, warn him, explain to him the harmful aspects of it and the prohibition on it.
Pressure-treated wood is often treated with chemicals that can be released into the air when burned. These chemicals can be harmful to your health, so it’s important to avoid breathing in smoke. Pressure-treated wood fires can get very hot, so be careful not to get too close.
Finally, stress-treated wood ash can also be toxic, so it’s important to keep them away from children and pets.
Can I Burn 20-year-old Treated Wood?
Pressure-treated wood is treated with chemicals designed to resist rot and pests. These chemicals can be harmful to your health if you breathe in the smoke. Even after 10 or 20 years, its preservatives are no less toxic.
Burning pressure-treated wood is also bad for the environment. Chemicals can seep into soil and groundwater. They can also pollute the air.
What is the Difference Between Pressure Treated and Untreated Lumber?
Most of the lumber used for residential construction is pressure treated to prevent rot and insect damage. The pressure-treated lumber is infused with a chemical called CCA (chromated copper arsenate). CCA is a hazardous waste product and has been linked to cancer. The EPA has banned the use of CCA in residential construction, but the lumber industry has replaced CCA with another chemical called ACQ (alkaline copper quaternary). ACQ is also a hazardous waste product and has been linked to cancer.
If you are in the market for lumber, you will likely see both pressure-treated and untreated lumber. Untreated lumber is simply lumber that has not been pressure treated. It is important to note that even untreated lumber can contain chemicals that are harmful to your health. Many lumberyards and hardware stores now sell “green” lumber that has been treated with a non-toxic preservative.