Welcome To Our Blog

Will Bleach Stop Wood Rot?

Table of Contents
    Add a header to begin generating the table of contents

    Rotting wood can be upsetting and, if left unchecked, can leave your wood in a dangerous state. The fact that your wood rots does not necessarily necessitate the purchase of new furniture; all you may require is a single swab of household bleach. Isn't it too good to be true? But, surprisingly, it is.

    Fungi cause wood rot, and the high level of humidity in the wood caused by moisture etched deep in the wood offers food and the necessary temperature for a normal fungus to live. Once the fungus begin to feed, they breed, multiply, ravage, and infest the wood until it entirely decays.

    Seeing your wood disintegrate can be perplexing, and you may be sceptical that bleach would stop wood rot. Many people wonder, "Will bleach stop wood rot?" Are you looking for the most trustworthy roofers in Melbourne? Worry no longer; Roof Repair & Restoration Systems can provide experienced roofing service and repairs.

    Wood rot can be stopped and treated with household bleach. You might wish to ask me how that is possible. This is the topic of this article. Once applied to the wood's surface, household bleach, which is chlorine, will soak into the wood and kill the rotting agent, particularly the fungi.

    One advantage of utilising chlorine is that it removes rot spots, making the wood appear new. However, chlorine may change the colour of the wood, so dilute it with clean, warm water before applying it. While applying the bleach, keep an eye on the surface you're working on.

    You'll need an impervious surface because you'll need to scrub the bleach in once it's been poured. This will allow the bleach to penetrate the wood and destroy the fungi rather than remaining on the surface. This article will teach you everything you need to know about wood rot, including the many types of rot, how to prevent it, and pro-tips on how to keep your wood safe from rot.

    Water is the deadliest enemy of wood, which can be beneficial for construction and is visually beautiful. You don't want water getting near the wooden floor or the wooden structure. Even if the leak is stopped, the wood may decay.

    Bleach detergent is a common treatment for preventing wood rot. There has been some discussion regarding whether or not this works. So, let's discover a specific solution. Please utilise a common household item to solve this.

    Bleach will not prevent wood decay. It works only on impervious surfaces. Except for dry rot, wood rot is treated with borate solutions. Dry rot is irreversible.

    Wood rot is produced by a fungus that consumes wood as sustenance. To survive, fungi require food, an appropriate temperature, and nourishment. Because wood absorbs water quickly, fungi can spread deep within the wood.

    When using bleach to kill fungi, you must scrub immediately after pouring it. That is why an impervious surface is required. The bleach will only kill what is on the wood's surface. The fungi inside will continue to spread.

    If you're certain the wood has only recently began to rot, you can try bleach. But only at your own peril. Keep in mind that wood rot is notorious for sneaking up on homeowners. Although you may believe that only the surface is rotting, the fungus are most likely already deep enough.

    So that's all there is to bleach solutions. Let's look at how to treat the wood rot.

    Steps on how to use bleach to treat wood rot

    will bleach stop wood rot

    Invasive bacteria and fungi will continue to consume your wood until it has completely rotted away. It is imperative that you treat your wood rot as soon as it is discovered since the organisms continue to consume and reproduce the wood until they have completely destroyed it.

    It is one thing to become aware that your wood is decaying, but it is an entirely different thing to be able to treat your wood and stop it from rotting. The treatment of wood rot with bleach can be accomplished by following these procedures as a reference.

    Step one: Identify the source of the moisture

    Finding the origin of the moisture is the most effective and significant step you can take to prevent wood rot. The majority of fungi feed on wet wood that has a moisture content of approximately 20 percent. It is imperative that the moisture be removed because if it is not, it will continue to provide fungi with a food source, which will in turn cause them to destroy the wood.

    Condensation, broken windows that let in water, and seepage of water into the wood all contribute to the rotting of wood. As soon as you find the source of the moisture, immediately fix any plumbing issues or leaks, and then let the wood air dry. You will be able to determine the severity of the rot damage as a result of this. In addition to this, you can acquire a dehumidifier and use that on the wood before you dry it.

    Step two: Get the wood ready for treatment.

    Collect the rotten timber and do some digging to remove the rot. The most susceptible components to rot are decking, roofing, and window frames. After the wood has become rotten, you will need to prepare it for treatment. In order to accomplish this, you will first need to scrape the rot out of the hollows, corners, and crevices in the wood in order to get rid of strands of rotten wood pieces.

    You may effectively remove all of the rot particles from the area by using a brush with a firm bristle. It is possible that the rot has spread throughout the entire piece of wood, in which case you will need to either purchase a new piece of wood or seek the assistance of a specialist.

    Step three: Apply bleach has proven to treat and prevent wood rot.

    The use of bleach eradicates the fungi to the point where they are unable to reproduce again. It also eliminates the stains that the rot leaves behind on the wood, bringing back the wood's natural brilliance. Following the steps of prepping the wood and cleaning it to remove any filth or rot, the next step is to apply bleach. Because chlorine has a bleaching effect, using it could potentially change the colour of the substance.

    Because of this, you will need to make use of diluted chlorine, which can be applied in the form of a liquid or a spray. Be sure to operate in an area that has adequate ventilation or, even better, put on protective gloves, goggles, and a nasal mask before using bleach to prevent choking or bleach from getting into the eye. This is one of the most crucial things that you need to do before using bleach. In order to use the bleach;

    • The afflicted regions should be dabbed with a cotton swab soaked in chlorine, then applied to the wood and allowed to soak into the wood. Finally, any excess bleach should be wiped away, and the wood should be let to dry. You can alternatively spray the area with the bleach rather than dabbing it on with a cotton swab.
    • After ensuring that all of the nooks and corners have been treated and allowed to dry, use epoxy wood filler to fill in any cracks that are adjacent to the corners. Because of the wood fillers, the wood will go from being initially fragile and having a sparse interior to being fortified and strengthened.
    • Priming followed by painting with the coat of your choice.

    Step four: keep your wood in good condition.

    After you have applied the coat, it is imperative that you prevent the wood from becoming wet. As soon as you discover cracks, it is imperative that you caulk them up as soon as possible. Construct an entry roof to shield your front door from the elements and protect it from being beaten by rain. It's possible that there's a lot of moisture in the air in your region. Always ensure that you have a dehumidifier running.

    Types of wood rot

    You should be familiar with the many varieties of wood rot that are frequent in order to have a better understanding of how to repair rotted wood.

    Brown rot

    Even though it has the name "brown rot," the condition is not always identifiable by the colour of the affected material. Brown rot causes the wood to crumble and come apart at the seams. When allowed to deteriorate for a sufficient amount of time, it turns into powder. You will discover that it is unable to support any weight at this point.

    White rot

    Easily identifiable due to the colour it has. The colour does not become a definite white until much later in the process of decomposition. The wood will become mushy as a result of this kind of decay. The wood will have the appearance of a sponge.

    Dry rot

    This is not a distinct kind of decay than the others. Dry rot results from the progression of brown and white rot. Its name refers to a type of wood that has reached the end of its decaying process. The process of decay has been completed, and the wood, despite already being rotten, will not rot any further.

    These were the several kinds of rot that you needed to be aware of. Next, we'll discuss the treatment options.

    How to avoid wood rot?

    When viewed in this light, the safety of the wood is ensured so long as it is kept away from moisture. Therefore, you need to ensure that your wood is protected from being harmed by water.

    Most water damage is caused by leaks in the basement, the shower, and the roof. The presence of moisture coming from a damaged wall can on occasion be the problem. Any wood that may be found in these areas needs to be preserved. Roof Repair & Restoration Systems is the go-to company for roof guttering in Melbourne thanks to their years of experience.

    • Wood should be treated with a preservative. Even though the moisture will still get through, this will halt the rotting and decomposition from happening.
    • Utilise varieties of wood that are resistant to deterioration. There are several types of wood that are resistant to decay. Even though they can be somewhat pricey, there won't be any issues with rotting. Redwood, oak, black locust, rosewood, yews, and teak are some examples of decay-resistant species of wood.
    • When possible, avoid burying wood very deeply in the earth. If the moisture from the earth penetrates far enough into the wood, it can cause the wood to rot. Keep your depth to no more than 15 inches.
    • Make sure you always have a dehumidifier on hand. There is always the potential for water damage to occur in areas such as the basement and the roof. Following the discovery of a leak, they have begun using a dehumidifier to remove the moisture. If you act quickly enough, water might not be able to travel deep enough, and the dehumidifier might be sufficient.
    • A safe distance should be maintained between gutters and downspouts and any outdoor wood. If you want to construct something out of wood in your garden, you should stay away from the gutters. When you are installing the gutters and downspouts on your home, the same rule applies.
    • Install ventilation in locations that have a lot of dampness. Because of the persistent dampness in certain regions, you will require consistent ventilation. Ventilation is the way to go in situations like these if there are any wooden structures present.
    • That wraps things up, people. I really hope that you were successful in finding what you were looking for.

    Pro-tips on how to prevent wood rot

    • Protecting your wood from moisture and water is the single most critical step you can take to prolong the life of your wood. when moisture begins to consistently penetrate your wood after having previously done so intermittently. Fungi will find it easy to eat, reproduce, and colonise the wood, which will hasten the process by which the wood rots.
    • One more method for preventing rot in your wood is to treat it with preservatives. You are able to treat the wood with a preservative chemical at a later time even if it did not initially include any type of chemical used for wood preservation. Even if the preservatives won't stop the moisture from getting in, they will stop the wood from rotting away.
    • Utilising a sort of wood that is resistant to decay is yet another method for preventing the wood from going bad. Woods like oak, teak, rosewood, and redwood are pricey but nevertheless rot resistant.
    • When you are putting your wood, you should make sure that you do not instal it too deeply in the ground. When your wood is buried in the ground, the moisture from the ground seeps into the wood, which ultimately results in the wood rotting. Make sure that your wood does not go any deeper than 15 inches into the earth, even if it is required to be buried.
    • Keep a dehumidifier on hand at all times because water leaks are practically unavoidable under roofs and in basements. Over time, this moisture will soak into your wood, causing it to decay. As soon as you become aware that there is excess moisture, you should start running a dehumidifier. The dehumidifier will remove the moisture and stop the water from penetrating the wood.
    • If your wood is located near an area that has a high degree of humidity and you want to keep it in good condition, you should make sure that there is adequate ventilation in the surrounding area. Vents like these will give your wood a place to breathe.
    • It is important to keep the wood away from the gutters and the downspouts.
      You should know that painting the wood won't prevent it from rotting. Before any paint can be applied to the wood, it must first undergo some sort of treatment. In the event that you plan on painting rotten wood, you will first need to cure the wood with a wood hardener before proceeding with the painting process.
    • Most importantly, as soon as you become aware of wood rot, you must immediately begin taking preventative action.

    Substances That Prevent Wood Rot

    how do you fix a sagging floor in an old house (3)

    There is a wealth of information regarding the treatment of wood rot and the prevention of it that can be found on the internet if you are seeking for it. The avalanche of treatments that you see can very easily cause you to feel overloaded and confused. We have created a list of some of the most effective techniques to prevent rot by adding particular chemicals, and we have done so in this post for the purpose of providing more clarity on the topic. The following are some of the most powerful drugs that you can make use of:


    There is a lot of debate going on right now about the effectiveness of bleach as a treatment for wood rot. It is important to make it clear right off the bat that bleach will neither stop or reverse the process of decay that has already set in with wood. Bleach can only be used on surfaces that are impervious; it cannot be used on porous surfaces such as wood.

    If you apply bleach to wood that already has wood rot, the bleach will only kill the fungus that is located on the surface of the afflicted wood. The fungus that is already present in the wood will continue to multiply, which will result in the wood's further deterioration.

    If you use bleach on wood that you know for a fact has just started to decay, you have a slim chance of having any success with it at all. However, even under these circumstances, there is no assurance that the plan will be successful.


    If you have any reason to believe that wood rot has begun, you need to act quickly to prevent the damage from becoming permanent and beyond repair. Applying borate as a treatment for wood rot is a simple process.

    Borate is the generic name for a molecule that offers protection against decay, termites, and fungus. This substance is named disodium octaborate tetrahydrate, which is also known as SBX (DOT). Borate is the generic name for this compound.

    Boron is the key component of DOT's active ingredient. Because DOT dissolves in water, not only does it eradicate the fungus, but it also allows for more penetration into the wood, which makes it more effective at eradicating the fungi that are present there.

    Ethylene Glycol

    Antifreeze is made out of the chemical component known as ethylene glycol. Aside from dry rot, it is helpful against a variety of other types of rot as well. Its activity is comparable to that of borate. Glycol was first applied to wood as a wood-stabilizing agent when it was first used for wood. In modern times, it is employed widely in the treatment of wood rot. For instance, many people who own boats made of wood use it to safeguard their vessels.

    In comparison to borate, glycol has the advantage of being able to quickly cut through paint and varnish without leaving any lasting damage to the finish. Additionally, there will be no change in colour, even for light-colored woods like pinewood, because this won't happen. Even if you are unable to undertake repairs right away, you can stop the progression of the wood rot by soaking the wood in glycol for a period of time. Because some items pose risks to human health, it is imperative that you give the directions a thorough reading before using them and that you follow all necessary safety measures.

    Tim-bor Professional Insecticide and Fungicide

    This powder must be combined with water before it may be applied to wooden constructions, such as sheds, decking, fences, and other outbuildings. Disodium Octaborate Tetrahydrate, 98 percent; this is the active component.

    Home Brew Water Solution of Borates

    According to the information that was supplied by the Navy, it is possible to dissolve sixty percent borax and forty percent boric acid in water. A solution containing 15.8 percent borates can be obtained by combining water (at a weight percentage of 65 percent), borax (at a weight percentage of 20 percent), and boric acid (at a weight percentage of 15 percent). Increase the temperature of the solution so that the components will dissolve more quickly and easily.

    You shouldn't have any trouble finding these components at your local grocery shop or pharmacy. There are others who are able to produce this do-it-yourself compound at a lower cost than the Tim-Bor that was described earlier; however, you have to take into account the trouble of preparing the solution as well as the potential risks.

    Home Brew Glycol-Borate Solution

    This solution can be made by combining glycol antifreeze at a ratio of 50 percent, borax at a concentration of 28 percent, and boric acid at a level of 22 percent. Employing a thermometer to keep track of the temperature, bring the liquid to a boil, and continue to do so until it reaches 260 degrees Fahrenheit. There is a borate concentration of 26 percent in the solution. When it has reached the desired temperature, the solution can be placed in the refrigerator and kept there until it is required.

    Conclusion – Will Bleach Stop Wood Rot?

    Fungi cause wood rot because they obtain the necessary food and warmth from the damp, moist environment provided by the wood. The fungus multiply in the wood, inflicting further damage to it. There are three types of rot: dry rot, white rot, and brown rot. So far, dry rot has been the most devastating type of rot since it has completed its disintegrating process.

    Excess moisture penetrates into the wood at times, causing it to degrade. When the humidity level is high in conditions like this, it's best to acquire a dehumidifier and use it. Boric acid and ethylene glycol can be used to prevent wood rot, however ethylene is ineffective against dry rot since the wood must be treated, primed, and painted before ethylene glycol can be useful.

    However, bleach, which is chlorine, kills the fungus, including its spores, and removes all rot spots on the wood, making it shine brighter than it has in a long time. Before using bleach, dilute it with clean, warm water to prevent discoloration and degradation of the wood. You can either apply the bleach straight to the wood or spray it on. You don't have to go any farther for your ideal Roof Restoration in Melbourne; Roof Repair & Restoration Systems is the company you can trust.

    Frequently Asked Questions About Bleach

    Bleach can be used to kill wood rot and stop its spread effectively. It attacks the fungi that cause rot and stops it from growing.

    The use of bleach can cause discolourations on both bare and finished wood. If the wood is bare, any discolourations that may appear can be corrected either chemically or by physically removing the discoloured wood.

    On soft wood, you'll see results very quickly; on hardwoods. The bleaching takes longer. Let the acid work for about 20 minutes, then wipe it off with a damp cloth. If the surface isn't fully or evenly bleached, reapply the acid as necessary. On hardwoods, complete bleaching may take up to an hour.

    Do you have to neutralise wood bleach? After bleaching a piece of wood, it is important to neutralise any solution that might be remaining. First, all of the solutions must be dry to avoid chemical reactions.

    A 1-to-2 solution of vinegar and water works well. Bleaching pine wood is an effective way to remove stains and refresh the look of your wood piece. Follow safety precautions no matter which type of wood bleaching product is ideal for your knotty pine panel board, furniture, cabinets or other pieces.

    Related Posts

    Scroll to Top