The composition of the antiseptic for wood with your own hands

Although wood is a lovely and useful material, insects, mold, and decay can cause damage to it. Using an antiseptic is essential for safeguarding wood and extending its lifespan. Although there are many commercial products available, a rewarding and affordable alternative is to make your own wood antiseptic at home.

Making your own antiseptic enables you to customize the concoction to your own requirements and tastes. Additionally, it allows you to choose the ingredients, guaranteeing a more organic and sustainable solution. Make your own affordable wood preservative by combining a few specialty ingredients with common household items.

We’ll walk you through the steps of creating a straightforward but potent wood antiseptic in this post. We’ll go over the essential components, their functions, and detailed instructions to make sure your wood is adequately shielded from rot and pests. Whether you’re a do-it-yourself enthusiast or just want to treat your wood at a lower cost, this guide will provide you the skills and assurance to make your own antiseptic solution.

Ingredient Purpose
Boric Acid Prevents mold and mildew
Table Salt Acts as a preservative
Water Solvent for mixing ingredients
White Vinegar Enhances penetration into wood
Glycerin Helps with wood absorption

Types of antiseptic compositions

DIY antiseptic, or finished, serves as a barrier against all kinds of insects. It is recommended to soak wooden materials up until the building stage. GOST 20022.2 lists 18 different ways to protect trees from damage, with antiseptic treatment being one of them.

Antiseptics can protect against insects that have already established themselves at the tree’s base, if needed. These solutions can be divided into 4 categories:

  • With the water base, they are designed for internal processing of the room where contact with water is not implied;
  • With an oil base, they are used exclusively outside, for example, to impregnate fences, facades. Exude a pungent smell;
  • Organized, can be used inside and out of the building, oil products are used at the base, having soaked the object, they receive a reliable barrier from moisture;
  • Combined, they have, in addition to protecting from insects, the function of reducing the combustibility of wood.

It is recommended to soak woody material until the construction stage if you want to DIY antiseptic or finished, which serves the purpose of protecting against all kinds of insects.


These methods are categorized; understanding this classification aids in selecting the best course of action for a given circumstance. The following categories of these goods are separated out:

  • For internal treatment, they must be harmless to the body;
  • For the outer coating should be resistant to pests, as well as the effects of ultraviolet radiation;
  • Water, which are most often used to apply indoors, due to their safety for human health;
  • Oil, they are distinguished by an unpleasant odor, therefore they apply the building outside, but are environmentally friendly;
  • With a base of wax;
  • With solvents in the composition.

For both the effects of UV radiation and pests, the outer coating should be resistant.

The basis of the antiseptic

Although the antiseptic for wood can be made with a variety of ingredients, the following are the most often used ones in the recipes:

  • Copper/iron sulfate;
  • Iodine;
  • Zelenka;
  • Bitumen;
  • Flint/fluoride sodium;
  • Paste with clay base;
  • Pastes with a biocidic base.

The nuances of the antiseptic "needlework"

The composition of the substance you impregnate wood with yourself determines its quality; it’s also critical to comprehend the characteristics of its production and use. As a result, the key elements of this procedure will be discussed below.

Pursued the goal

For do-it-yourself impregnation to achieve its primary objective, it must satisfy several conditions. It performs a number of fundamental tasks that are necessary to produce high-quality surface processing, which are as follows:

  • Creating a protective coating from natural exposure if the item is operated on the street;
  • During operation in a humid environment – moisture resistance;
  • Wood that will be transported in open transport;
  • Wooden material from biological exposure and pests.

For do-it-yourself impregnation to achieve its primary objective, it must satisfy several conditions.

Possible ingredients

The chosen composition and how well the solution serves its purpose will have a direct impact on the outcome. The mixture chooses the following elements in a standard manner for self-production:

  • Boric acid;
  • Gasoline, diesel fuel;
  • Bitumen mixture;
  • Iodine/green;
  • Sulfate with copper or iron;
  • Biocyide or clay pastes;
  • Salt, soda.

An excellent and secure solution would be to mix salt and water so they can process the building’s surface without worrying about safety.

An excellent and secure solution would be to mix salt and water so they can process the building’s surface without worrying about safety.

How to cook, apply

It is preferable to make antiseptic at home using safe ingredients. Processing will then be simpler, as will the actual cooking process. You will need mixing tools and containers for work. If hazardous materials are being used, make sure the space is well ventilated.

Surface preparation

Prior to use, the subject needs to be cleaned and degreased (vodka or alcohol work well, but white spiteration is preferred). Glycerin or hydrogen peroxide can both be used to clean particularly difficult areas.

If the object’s appearance is significant, then passing the wood for a uniform coating is required. The surface must also be ground. The prepared antiseptic, diluted with white spirit, can be used for this purpose. It can also be used for the degree stage.

An easy and affordable method of guarding against fungi, insects, and decay for your wooden structures is to make your own wood antiseptic at home. Easy-to-find materials like vinegar, borax, and essential oils can be used to create a safe and efficient solution that deeply penetrates the wood to offer long-lasting protection. This do-it-yourself method not only saves costs but also gives you complete control over the ingredients, guaranteeing a safe and eco-friendly final product. Whether you’re staining decking, furniture, or any other wooden surface, a homemade antiseptic will help keep your wood looking great and lasting for many years.

Bitumen antiseptic

Add the solvent to the tool along with this substance. Diesel or gasoline can be used. The latter will enable the material to enter the material’s structure with a high degree of ability, but the process will be laborious. Although it doesn’t take as long to impregnate a tree, gasoline won’t go as deep.

To get rid of all the lumps, bitumen is first heated over a fire and then stirred occasionally. It will be possible to remove the solution from the fire once foam starts to form, and then add the solvent—typically 20–30 percent—to it.

Pour the material in tiny amounts, and then cool the mixture before adding gasoline.

Aqueous antiseptic solutions

Safe and quick preparation is achieved with aqueous antiseptics. One of the chosen elements must first dissolve in the heated water in order to create the composition. Work with various options will then be taken into consideration.

Sodium fluoride

You will need to use 10–40 grams of this ingredient for every liter of water in this recipe. When covering an item outside of a building, more components are used. You can work with a maximum of 5 grams inside. The color will fade after drying, making it easy to determine which area of the wood has been treated with potassium permanganate, which is added to the mixture in small amounts.

Copper sulfate

When handling an object buried deep in the ground, this substance is used. Ten liters of water are mixed with 1-2 kg of sulfate. You should be aware that adding a lot of substance will lengthen the drying time of the solution while increasing its effectiveness. Curricuros also causes a shift in the color of the surface.


This substance can drive insects away from a tree that has already been impacted by pests, aiding in the effective fight against them. However, its ornamental qualities are poor.

Ten liters are filled with fifty grams of sulfate and five grams of potassium permanganate. Water-based pigment is added for visual perception instead of potassium permanganate.

This substance can drive insects away from a tree that has already been impacted by pests, aiding in the effective fight against them.

Vegetable oils

Suitable for hemp and linseed impregnation vegetable oils. It’s critical to realize that they will alter the surface’s color. Wood will continue to "breathe" and hold its qualities. Burdock, nine, kalgan, or woodpecker root are suggested additions to give the mixture the best qualities of linseed oil.


After applying oil, wax coating aids in providing a moisture-proof characterization of the coating. You will require 25 grams of rosin, 50 grams of turpentine, and 100 grams of wax.

If you make an antiseptic for wood for exterior work by hand, then turpentine is the best option. Linseed oil is used inside the room for application.

After melting the base wax in a water bath, rosin is added gradually. When the mixture reaches a boiling point and the pot is taken off the heat, it’s crucial to transfer the contents right away into a metal container.

Other recipes

Other kinds of antiseptic wood impregnations can also be prepared. For instance, 200 grams each of talc and chalk are combined with 1.4 liters of liquid glass. A reduction in the material’s combustibility can yield the agent from 400 mm of water, 40 grams of ammonium hydroxide, and 4 grams of boric acid.

General rules when applying and processing

It is important to perform the itself correctly in order to achieve a uniform distribution of the composition. Experts advise following these work-related guidelines:

  • If liquid antiseptics are made, then spraying with a spray gun is used, for more thick, they choose brushes, rollers, or sponge;
  • For security, the master should wear a respirator and protective clothes, gloves;
  • Good ventilation is created inside the room.

Make your own wood antiseptic, maybe. Selecting the necessary parts and carrying out the procedure in accordance with safety regulations are the most important things to do. This is a cost-effective choice in the event that it is heavily impregnated.

Making your own wood antiseptic is an easy and affordable way to keep pests, mold, and decay off of your wood. You can create a formula that meets your unique requirements and guarantees the longevity of your wood projects by being aware of the fundamental components and how they work together.

A solvent, like water or alcohol, and an active ingredient, like borax or essential oils, are usually the main ingredients of a homemade wood antiseptic. Together, these components allow the wood to be penetrated and create a barrier that keeps out dangerous organisms. To find the best combination for your specific wood type and environment, play around with different proportions and combinations.

Making your own antiseptic has several benefits, chief among them being the control over the ingredients—you can steer clear of dangerous chemicals that are frequently used in store-bought products. Because of this, it’s a safer option for the environment and the user. Additionally, it may be less expensive, particularly for bigger projects or ongoing upkeep.

You can make a trustworthy wood antiseptic with confidence if you adhere to easy recipes and instructions. This will not only make your wooden items look and feel more durable, but it will also provide you the knowledge and abilities to effectively maintain and safeguard your woodwork. So get your supplies together, follow the instructions, and savor the satisfaction of making your own wood preservative.

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Alice Chernyshev

Artist with 15 years of experience, color solutions specialist in interior design. I am in love with the world of colors from childhood, I am happy to share my knowledge and experience.

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