Paint - wood preservative
Paints and varnishes can be divided into 2 classes:
- Special purpose - to protect the tree.
- For cosmetic purposes - finishing.
Paints are homogeneous syntheses of dyes, dissolved in binding mixtures, capable of forming a protective film on the painted surface. It is better to paint with a thin layer using rollers, brushes or a spray gun. In the course of drying, the process of formation of a coating takes place. This coating is matte, it can be porous or film. It is this coating that protects the surface from chemicals, sunlight, moisture. If the goal is to protect the facades of buildings, a positive effect will be obtained only when taking into account the characteristics of the surface and operating conditions. For this reason, the production of multifunctional paints for painting the facade has been worked out, and means for finishing and processing have also been developed.
Today, decorative materials are produced with protective qualities. In terms of decor, most protective equipment is flawless.
This means that varnishes and paints that cover wood surfaces are divided into points:
- Substances with specialized protective qualities.
- Coloring substances with cosmetic and protective qualities.
- Varnishes with protective and decorative properties.
- Toning properties.
Materials with specific protective qualities are used when it is necessary to protect the surface from harmful environmental factors. They are divided into a group of antipyrine and antiseptics.
What antiseptics are best used for wood for outdoor work
Solutions for the treatment of wooden walls are designed to protect lumber from the negative effects of moisture, frost and sunlight. Complex measures are usually used when impregnation and topcoating are involved. The first mixtures penetrate deep into the structure of the material, and the second ones form a waterproof film to protect the impregnating layer.
Insect and decay solutions
A change in color and the presence of a mycelium that destroys the structure of lumber indicates its fungal infection
Before examining which antiseptic is best for wood and builder reviews, it is important to know the reasons for this misfortune. And they are as follows:
- High humidity.
- Temperature over 5 ° C.
- The presence of fungal spores.
- Air access.
The principle of functioning of biosecurity is to neutralize fungal spores. For this purpose, hard-to-wash pastes, primers or impregnations are needed that penetrate deeply into the structure of the lumber. In the budget segment, drugs such as:
- Biosept.
- Senezh Ecobio.
- Senezh Ultra.
- Treecept Maxi.
- Yaroslavl antiseptic HMF-BF.
- Yaroslavl antiseptic FBS-211.
- Woodmaster.
- Belinka Base.
- Neomid 430 Eco.
- Tikkurila Euro Eco Wood.
- Pullex Imprägnier-Grund.
The duration of the antiseptic mixtures is 3-5 years on average. This is quite enough for the entire period of active construction, after which there is no need for prevention. In the future, even the best antiseptic for wood must be replaced with enamel or glaze for outdoor work, which will save the wood from waterlogging.
There are a great variety of such coatings, so when buying a waterproof varnish, you should pay attention to:
- The term of the protective action of the coating.
- The required number of layers.
- Color palette for tinting.
- Composition application technology.
Which antiseptic is best for bleaching wood
The debate about the advisability of using chlorine bleaches in eliminating fungal blue has not stopped for many years. Many argue that they provide only a cosmetic effect, that is, they are not able to completely stop the growth of fungi for a long time. To some extent, one can agree with this, but an integrated approach is needed everywhere.
Of course, you can restore the original color of the wood with a simple grinder, but with large volumes of damage, this will take a lot of time. The fact is that the treatment with a bleaching compound cannot be stopped; effective ventilation (when it comes to a room) and a coating with high-quality impregnation should be organized. According to experts, whitening compositions of the following brands have shown themselves on a good side:
- Senezh Neo.
- Senezh Effeo.
- Neomid 500.
- Tikkurila Homeenpoisto.
- Woodmaster Hoarfrost.
Useful information about the drug Neomid 500 was told by Valery P. from St. Petersburg:
Such reviews from practicing builders help to choose the best wood preservative wisely. Comparative reasoning about a particular product is very interesting:
The best wood preservative
Table. Comparative table of antiseptics.
| Antiseptic composition | Description | Colour | Consumption | Protection term |
|---|---|---|---|---|
| Antiseptic paste PAP-LST | Protection against decay and wood borers of bearing and enclosing non-glued wooden structures (logs, floor boards, window and door frames, frames, embedded parts, etc.). | Gray green | Concentrated paste - 300 g / m2; paste solution 500 g / m2 | Extends the service life of wood up to 30 years |
| Homeenpoisto | Designed for removing mold from unpainted and previously painted wooden, plastered and concrete surfaces before primary and repair painting, as well as repair painting of roofs made of fiber cement slabs and concrete tiles. | No | Depending on the degree of surface contamination | |
| Senezh Bio | The product protects wood from bio damage, deep penetration, indelible | Colorless | 1-1.5 kg / m3 | |
| Senezh Eurotrans | Used by manufacturers to preserve the color and quality of finished sawn timber. By treating the finished product with an antiseptic, you can easily within 8-9 months. | Colorless | 0.3-1.2 kg / m3 | |
| Neomid 440 | Designed to protect wood of various species from decay, damage by wood-destroying and wood-staining mold fungi, wood-boring insects, algae, mosses, lichens. | Colorless | 250-350 g / m2 - for wood processing | up to 25 |
| PINOTEX Natural |
Prevents fungal infections and the manifestation of wood rot; Forms a weather-resistant coating; Has dirt and water repellent properties; Contains UV filter and UV stabilizer. |
Natural, semi-matte | 1 liter for 8-12 m2 | |
| Valtti Aquacolor | Designed to protect wood from atmospheric stress, slows down the effects of moisture and UV radiation. | 40 colors | Sawed surface 4–8 m² / l; planed and log surface 8–12 m² / l .; | |
| BS-13 | An impregnation that ensures the production of hard-flammable wood and protects against decay, mold, blue. | Colorless | 250 - 300 ml per sq.m. | Fire protection 3-7 years; biosecurity up to 10 years |
Time-tested
As practice shows, it is still too early to forget the time-tested tools made according to GOST standards. Not only are the mixtures environmentally friendly, but they are also inexpensive and at the same time effective:
- KhMBB is a complex antiseptic concentrate for heavy-duty wood exploitation. The solution resists bacteria, fungi and insects, but stains lumber green, because it contains copper sulfate. The coating does not interfere with further processing with paints or varnishes.
- BB is a bio-flame retardant composition intended for processing timber in a wet state. Maybe this is not the best antiseptic for protecting wood during outdoor work, but the drug allows you to increase the service life of wooden structures up to 50 years.
- XM-11 - a non-washable antiseptic solution works against fungi of moderate rot, it is less effective against house fungi. It copes well with the function of protecting structures exposed to drip humidification and atmospheric precipitation. If lumber that is in direct contact with soil or water is impregnated with a mixture, then their service life is guaranteed from 30 to 50 years.
- CMP is a sanitizing composition for healing and protecting wood from wood-staining fungi, algae, insects, in conditions of poor ventilation, it prevents their further development. Recommended for processing structures in basements, as well as wooden log cabins and frames.
- ХХЦ - a preparation for structures operated in conditions of medium washout and periodic freezing. It paints wood in a sandy color. Recommended for processing rafter systems, gables, log cabins and sheathing frames.
Varieties
Fire-retardant agents presented on the construction market differ in characteristics, composition and application features. Initially, products in this category are conditionally divided into two groups:
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Impregnation. The active substances penetrate deep into the fibers without altering the texture and appearance of the wood.
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Coatings. The composition is applied superficially, negatively affects the texture, often has a pronounced chemical odor.
Solutions of the second category are used for utility structures or residential buildings, where additional surface finishing is expected.
Products also differ in chemical formula:
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Saline. A budget option. Has a relatively low service life - no more than 3 years. It is characterized by high consumption and low penetration depth. Easily washed off with water, suitable only for interior use.
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Not saline. The "old-timer" of this market segment has been used since the mid-80s of the last century, has not lost its relevance at the present time. The composition includes organophosphate components that are highly resistant to high temperatures.
Such impregnations do not spoil the appearance of wood and can last up to 15 years, but their cost is much higher than that of salt analogues.
Classification of antiseptic drugs
floor insulation in a wooden house
The basic chemical components form the type of action of the composition. Based on this, it can be impregnating, mastic or varnish-and-paint. By the time of action, the products are divided into drugs for long-term prophylaxis and temporary protection. Given the protective factor, manufacturers divide the mixtures into the following groups:
- Moisture resistant.
- Bio-protective.
- Fire retardant.
- Weatherproof.
- Chemical resistant.
- Decorative finishing.
There are also complex mixtures that combine several protective properties. But professional builders are critical of universal formulations, arguing their choice by the fact that the optimal effect is achieved only by combining targeted drugs.
Types of impregnation for the intended purpose
Impregnation for wood can have different characteristics according to the type of impact. In each case, the one that suits the most is selected.
Antiseptics
The antiseptic properties of the impregnation are aimed at protecting the tree from rotting and the formation of fungus and mold, from the attacks of various insects. Their individual components exclude the influence of biological factors.
A good antiseptic is highly resistant. It penetrates deeply into the structure of the material, has no unpleasant odor and is completely harmless to people. For protection during storage and transport, surface spraying is performed. Soaking is recommended during installation.
Fire protection
For protection against fire, acid, alkaline and salt impregnations are used. With additional protective layers, such products provide high fire safety and retain their characteristics for a long time. The mixtures are completely safe for living beings.
Acid formulations are the most reliable in this matter. This provides additional strength of the material while maintaining hygroscopic characteristics.
Alkaline impregnations are used much less frequently.They destroy the structure of the wood and are not at all suitable for the treatment of visible surfaces.
Saline solutions are considered the most ineffective. Over time, salt crystals appear on the surface and spoil the appearance of the product.
The fire protection layer on external surfaces is valid for 2 years. For internal work - 5 years. The principle of operation is that the substances that make up the impregnation melt under the influence of high temperatures and form a thin film that prevents the ingress of oxygen.
Frost resistance
Frost-resistant liquids are designed to preserve the properties of wood at a temperature of about -40 ° C. They have antiseptic and protective properties.
Water repellent effect
Due to the presence of wax and oils in the composition, the tree is completely protected from moisture penetration. Since the massif is destroyed even by hydrogen in the air, almost all impregnations have this effect, but there are also special means that are designed for surface treatment in baths and saunas, for external work.
Decorative properties
Decorative impregnation for wood, most often acrylic, is used to emphasize the natural texture of the solid wood. For decorative purposes, choose funds with the desired shade, matte or glossy film that forms after drying.
Complex impregnations
Most of the impregnations have many properties at once, have a complex composition, and are available in the form of concentrates.
The most popular are antiseptic impregnations with water-repellent and fire-fighting properties.
For interior work
When choosing an impregnation for wood processing, which will be or has already been installed indoors, first of all, they pay attention to the environmental friendliness and safety of the solution. Water-based products with natural solvents and oils meet these requirements.
Conventionally, all products in this line can be divided into 3 groups:
- antiseptics, which are designed to protect against decay, the formation of mold and mildew, temperature extremes, changes in shape and color;
- moisture-proof, with which the baths are treated to protect the array from constant exposure to high temperatures and moisture;
- fire retardant, significantly or completely reducing the risk of fire.
For outdoor work
When processing wood that will be constantly outdoors and exposed to various harmful and atmospheric factors, it is recommended to use more aggressive impregnations. At the same time, harm to health and environmental friendliness, due to the work on the street, fade into the background.
First of all, an antiseptic impregnation is used, which not only prevents various microorganisms from living and multiplying in the structure of the tree, destroying it, but also preserves its appearance, since the material turns black during the life of bacteria and fungi.
If the surface was previously given the desired shade, the impregnation should protect from ultraviolet radiation.
Fire protection
Whatever one may say, but the main disadvantage of all wooden structures is flammability and combustion. How to make the structure burn hard? This is achieved by means of special compositions for fire protection, which impregnate wood. Fire retardants also contribute to the fire protection with which wood is impregnated.
They consist of acidic solutions and active substances. Two postulates underlie the reaction: decomposition and melting of fusible materials. They give off gases that interfere with the combustion process. Fire retardants are introduced into a wood structure by impregnation in large bowls (vessels) or by surface treatment (for example, with a brush).
Through the competent use of modern means, you can achieve reliable protection of your wooden structure from the harmful effects of external factors. And then your house, cottage, bathhouse will be in good condition.
What it is
The compositions are deep penetration impregnations that prevent wood from igniting and the spread of open flames.
It is necessary to apply fire-retardant protection at the initial stages of construction, while not only walls, floors and ceilings are processed. All elements and auxiliary structures made of wood are impregnated with the composition.
Antipyrins work according to the following scheme:
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under the influence of temperatures, active substances melt, blocking the access of oxygen to the material;
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a refractory film is formed, which significantly increases the ignition temperature of the wood;
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the organophosphorus compounds included in the composition cause swelling of the protective film, which excludes direct contact between the fire and the base.
Most of the products contain antiseptics that prevent the appearance of pathogenic microflora. Consequently, the building is under double protection.
NEOMID
Another Russian company with a fairly well-known name, as it occupies a prominent place in the paint and varnish market and is one of the best manufacturers of wood paints. The products of this manufacturer are used by such giants of the Russian industry as KAMAZ, AVTOVAZ from the automotive industry, as well as by paper industry enterprises - Mondi SLPK, ILIM PALP, PPM Kama and many other enterprises in various fields. The company has its own chemical and microbiological laboratory and powerful marketing to create its unique products and market them.
A novelty of the manufacturer is the NEOMID "Interior" fire-retardant paint for wood, which has excellent fire-resistance properties, which will not allow the surface painted with this paint to quickly ignite. A protective layer of paint will protect any wooden base for a period of 10 years, which is impressive. At the same time, the composition protects against biological activity, such as fungus, bugs, mold, and more.
- Country of origin - Russia
- Products webpage -
BECKERS
The company is originally from Sweden and positions itself as the manufacturer of the most environmentally friendly paints in Europe. This is not surprising, because the country where the company was founded is very attentive to the cleanliness of the environment. The manufacturer is constantly looking for and creating new and better products. Since BECKERS paints and paints and varnishes in general are used in human dwellings and in the immediate vicinity of human habitation, great importance is attached to the characteristics of the coloring compositions with which the surfaces are coated.
A striking example is BECKERS Perfekt Akrylatfarg paint for external painting not only of wooden substrates, but also of surfaces made of metal, concrete, brick, plasterboard. This composition perfectly fits on previously painted surfaces, while it does not crack and does not lose its properties. Thanks to its pure base, the paint has absolutely no harmful effects on the environment. You can safely paint the playground and not worry about the harmful effects of chemical compounds on children.
- Country of origin - Sweden
- Products webpage -
What to consider when buying?
Experts advise focusing primarily on the optimal combination of cost and quality. Then it will not be superfluous to estimate the consumption of the drug per 1 square meter of the surface. It makes no sense to purchase paint and varnish products for the future - the shelf life is limited, and the seller will not make an exchange or return.
We pay special attention to the label, where the rules and conditions of application are indicated.
This is important because different types of timber have their own ability to absorb liquid.Most impregnations are applied only in positive ambient temperatures.
Most impregnations are applied only at positive ambient temperatures.