Mold in the attic.Causes and methods of attic mold removal

Mold in the attic is formed when harmful fungi multiply. Why is there mold in the attic? The main reason for this problem is excessive humidity. Excess moisture occurs due to poor ventilation or isolation of the room from rain and snow.

Mold has the ability to multiply quickly and has a detrimental effect on both materials and human health. There are a number of ways to get rid of mold, as well as methods of prevention.

Read further:  Cracks in the walls of the house. Main types and causes.


What leads to the formation of mold in the attic?


the form of mold and the cause of its appearance


Here are a number of negative consequences of the problem:

-an unpleasant smell of dampness, General deterioration of the microclimate of residential premises;

-destruction of the structure (rotting wood);

– a threat to human health (do not underestimate the consequences of mold formation: it causes exhaustion of the body, dizziness, nausea, etc.);

– damage to property stored in the attic.

Mold appeared in the attic: what to do?

If the mold has already formed, it must be eliminated. White mold can be destroyed on its own.

You will need to:

  • soak the areas;
  • neutralize the fungus with special preparations;
  • remove the mold with a metal brush;
  • use a protective coating.


If there is a stage of black mold, you often have to completely change the construction boards or contact the technical service for professional help. In order not to have to solve the question “how to remove mold from the attic”, you need to take care of high-quality ventilation. Ventilation of the attic can be organized using: mechanical electric fans; devices that accumulate solar energy. The first option has disadvantages such as dependence on the electric network (hence the cost of paying for electricity) and the complexity of installing the system.


How to remove mold from the wooden surfaces of the attic?

why does mold appear in the attic

Before you start fighting mold, you need to understand what it is. Mold is a harmful fungus that appears and develops in a warm but humid environment. Fungus spores are found everywhere but develop only under favorable conditions. It should be noted that to get rid of mold in a wooden house, you need to know the cause of the appearance, as well as the type of mold. In addition, do not rush, and then you can quickly get rid of the spores.

Types of mold

To understand how to remove mold from wooden surfaces, you need to understand the types of mold. The most common types of mold include:


Black. This plaque can develop not only on the premises but also in human organs, which makes it dangerous for the health of all family members. There are several types of black mold;

White. It is mainly found on foods and plants, but can also affect wooden surfaces;

Blue fungi. This mold affects mainly the fiber of the tree, as a result of which it paints wooden houses in a gray-blue color. Most often the fungus affects pine trees;

Actinomycetes. They look like something between mushrooms and algae. They can change the appearance of a wooden product, as well as soften the wood.

There are other types of fungus. For example, yellow mold, which is the most dangerous mold. On wooden surfaces, they almost do not appear. To remove mold in a wooden house, you need to understand why it appears.


The reason for the appearance of mold on the wooden coverings of the attic

mold on the wooden floors of the attic

Mold on a tree can appear for several reasons. To prevent the appearance of mold, it is recommended to analyze each case. The main reasons are:


– Increased humidity of the residential premises;

– Air stagnation caused by improper air circulation;

– The use of drywall, which contributes to the spread of the “problem”.

There are other reasons, but they are not so common. It is not difficult to remove fungus from wood, but you need to understand the cause of its occurrence to prevent its reappearance.


How to remove mold from a tree?


First of all, wooden surfaces suffer from fungal infection, since organic substances are the most attractive and favorable environment for the development of mold. Under the influence of high humidity and heat, wood quickly loses its attractiveness, darkens, and disappears.


After seeing the first manifestations of the fungus, proceed to urgent methods of disinfection and its removal from the surfaces in the house. To do this, you will need one of the following remedies for mold on the tree:


  • antiseptic substances;
  • wood bleach;
  • vinegar;
  • baking soda;
  • peroxide;
  • varnish;
  • glue;
  • ammonia;
  • borax;
  • tea tree oil.

Important! With the correct method of use, each of these substances can effectively combat fungus on wooden surfaces and products.

we process mold in the attic

How to remove fungus from wood?


To eliminate mold, you can use specially developed antifungal formulations that are sold in every hardware store, among household chemicals.

Important! These funds can only be used if you do not live with allergies, because otherwise significant harm to human health may be caused. The entire cleaning procedure is performed in several main stages, which will ensure rapid and high-quality achievement of the set goals:

Cleaning the damaged surface

Start removing fungal infections should be removed from the spores on the most affected areas of the product, namely their cleaning. This procedure is performed as follows:

Clean up the fungus on the tree with the help of improvised tools and tools — a metal brush, knife, chisel, etc.

Dispose of the removed wood particles with the help of a fire, which will not allow the spores to carry out further development and infection of the residential premises.

Wash the cleaned area of the wooden surface with a soap solution.

Removing mold spores

To prevent the re-appearance of fungus-affected surfaces, it is necessary not only to clean the affected areas but also to destroy the spores in the room. You can do this as follows:

cleaning out the mold in the attic

Buy wood antiseptic at a specialty store.

Prepare the active solution according to the proportions and instructions specified by the manufacturer.

Treat not only the affected area but also a specific area around it.

Important! This method, how to get rid of fungus on a tree, is best used in non-residential and utility rooms because the evaporation of chemicals can cause significant harm to health.

There are also folk methods of fighting mold. Folk methods against wood damage are sparing, effective, but do not protect the material for long.

Medium: resin. Against fungal spores, the resin heated before application helps.


  • effective,
  • safe,
  • cons,
  • cheap


The surface remains sticky.

The resin is viscous, it is difficult to apply, you need to stretch it. Remedy: vinegar and baking soda. To get rid of an existing hearth, the place is sprinkled with soda, sprinkled with 9 or 6% acetic acid.

Means: salt, acid, boiling water. Prepare a solution of 5 liters of hot boiled water, 1 kg of table salt, 50 g of boric acid. Carefully mix and process the wood. Medium: white

Chlorine bleach cleans the fungus well, but it is worth considering that the liquid lightens the wood.

In baths, saunas, it is possible to remove mushrooms only by folk remedies. To cure the affected area, clean the boards with soda, pour vinegar, wait for the reaction to end. Then wash off the reagents with water, cover the area with tea tree oil, diluted in warm water.


How to get rid of mold under the floor


The basement, which is located under the floor, is the main place where mold appears. That is why you need to urgently process wooden structures to remove mold. Most often, professionals use special destroying solutions that can be prepared at home. Mold under the floor is a common phenomenon.

we process wood with a solution against mold

An excellent means of fighting the fungus is a solution of ammonium, zinc chloride, sodium fluoride, and silicofluoride. It is necessary to dissolve 30 grams of this product with hot water. After that, you need to spray the resulting solution in the subfloor.

If desired, the fungus on the wood can be eliminated with a specially prepared paste. You need to mix 200 ml of water, 135 g of fat clay, and 150 g of sodium fluoride. It is important to use only sifted clay. The resulting paste is enough to process 1 square meter.


Preventing the appearance of mold


If the pressure is higher than 140/80, your blood vessels are clogged. Before the blood vessels burst, remove black from the diet…

Read further

To prevent mold on boards or other wooden products from ever appearing, you need to take care of prevention. It is important to follow simple rules:

  • To provide circulation space;
  • To monitor the humidity;
  • Treat walls and other surfaces with special tools.

Another important point in prevention is the treatment of wooden surfaces. If this is not taken into account, a severe fight against mold will soon begin.

Wood processing

During construction, wooden surfaces must be treated with special tools that will protect the products for a long time. These products include antifungal emulsion, “Ecocide”, “Mil kills” emulsion. In addition, periodically wooden surfaces can be treated with an antiseptic water solution “Dali”.

Timely processing of wooden coverings will prevent the appearance of mold. Do not forget about the dryness of the wooden house.


Mold likes a humid environment, so if the room is moderately humid, the fungus just won’t appear. The same applies to the dryness of wooden structures. All rafters and ceilings must be dry. Otherwise, the fungus will appear in the house quickly enough.

Read further: At what stage of the new construction windows installation

How to remove fungus and mold from wooden surfaces with your own hands?


How to remove mold stains from wooden floors

There are a number of natural and completely safe ways to get rid of mold that affects wood products and surfaces:

Method #1-Acetic acid

Vinegar available in every kitchen is a natural and relatively harmless means of disinfection. To get the most effective result, use the substance as follows:

Fill the spray gun with concentrated acetic acid.

Spray the liquid on the affected areas of the fungus.

Clean the wood with a brush.

Re-treat the surfaces and leave them in this position for about an hour.

Wipe the surface with a damp cloth.

Method #2-hydrogen Peroxide

Hydrogen peroxide is a medical solution that perfectly copes with mold spores and fungal infections. Buy the solution at any pharmacy and use it according to the following algorithm:

Evenly distribute a 3% solution of hydrogen peroxide over the affected area of wood.

Leave the surface for 10 minutes to undergo the necessary chemical reactions.

Remove all traces of mold with a hard-bristled brush.

Use a damp cloth to restore the product’s attractive appearance.

Important! Before applying peroxide, check its reaction with the product on a small area of the wooden surface. The best result can be achieved by using hydrogen peroxide and vinegar in a single complex.

Method #3-baking soda

This substance is perfect for use as a remedy for fungus on the tree.

Important! In addition to the disinfectant, soda is also an excellent deodorizer and therefore helps to remove unpleasant odors from the mold.

To achieve maximum cleaning efficiency, baking soda is used in the following way:

Wet a small piece of clean cloth with water.

Soak the cloth in pre-soaked baking soda.

Wipe the moldy area of wood with the substance.

Remove any remaining material from the wood surface with a brush or a clean cloth.

Read further: How to repair water damaged ceiling plaster