The market offers a wide range of wood impregnations that protect the material from the harmful effects of ultraviolet radiation, moisture, rot, pests and fire.
The main share of sales falls on antiseptic impregnations against moisture, due to the fact that wooden structures are most often exposed to this factor. Such impregnations are most often colorless. Can be used alone or as a primer for painting. There are products with fire-resistant composition and tinting agents.
Due to the wide range of products, problems arise when choosing the right product. We will try to give brief description the most popular antiseptic compounds recommended by experts.
1. Belinka
According to experts, the products of this Slovenian company are highly suitable and effective. The brand appeared on the domestic market in the mid-90s. Currently offered:
- BELINKA BASE is a basic antiseptic primer with indelible biocides. Consumption: 1l/8-10m². Price from 645 rub./l;
- BELINKA BELОCID is an antiseptic for the prevention and treatment of wood. Destroys most lesions, including mold, fungi, and woodworms. Consumption: 1l/3-5m². Price from 595 rub./l;
- BELINKA TOPLASUR - impregnation with natural wax, protects against UV rays and atmospheric agents, is offered in a palette of 17 translucent shades and is recommended for doors and windows. Consumption: 1l/8-10m². Price from 775 rub./l;
- BELINKA TOPLASUR UV PLUS - colorless antiseptic with wax and UV protection for external and interior work. Consumption: 1l/8-10m². Price from 915 rub./l;
- BELINKA IMPREGNANT - antiseptic colorless water-based primer. Consumption: 1l/5-10m². Price from 470 rub./l.
The range also includes yacht varnish, varnish for indoor use, and various paints.
2. Aquatex
Antiseptic impregnation of this brand is designed to protect wood from biological damage, UV radiation, atmospheric influences, as well as for decorative finishing.
Available in clear and tinted versions (15 shades). Used for interior and exterior work. Suitable for coating both new and old wood, as well as chipboard, fibreboard, plywood and other wood materials.
Consumption: 1l/7-10m² for planed wood and 1l/4-5m² for sawn wood. Application methods: brush, roller, spray. Price: 200-270 rub./l. Available in the form of a primer and impregnation. According to experts, Aquatex is ideal for processing middle-class wood.
3. Senezh
About 20 types of products are produced under the Russian brand Senezh; we will describe the most popular:
- SENEZH is a hard-to-clean preservative antiseptic for deep impregnation wood, providing enhanced protection in difficult operating conditions. Consumption when using a brush, roller, spray - min 250 g/m², when soaking - min 200 kg/m³. Price: 5 kg - from 410 rubles, 10 kg - from 740 rubles;
- SENEZH ECOBIO is an economical antiseptic for interior work and the treatment of elements under awnings. Consumption - min 250g/m², when soaking - min 60 kg/m³. Price: 5 kg - from 320 rubles, 10 kg - from 580 rubles;
- SENEZH Aquadecor is an acrylate-based antiseptic for decorative treatment with UV protection, available in 16 shades and recommended for exterior and interior use. Apply by roller, brush or spray. Consumption: 60-100 g/m². Price: 0.9 l - from 340 rubles, 2.5 l - from 880 rubles.
In addition, Senezh offers special impregnation for baths and saunas, fire-bio protective equipment, renewing compositions for bleaching and removing lesions, protective complexes for lumber.
According to user reviews, the validity period of Senezh impregnations in temperate climates exceeds 10 years. And according to the manufacturer it is 30-35 years!
4. Neomid
NEOMID is a brand of the Russian company Expertecology. It has been present on the market since 2005 and has a wide range of products. Basic:
- NEOMID 400 - concentrated product deep penetration for interior work, protecting against mold and woodworms. The declared service life is 25 years. Apply by brush, roller or spray. Solution consumption: 100-250 g/m². Price: from 190 rub./l.
- NEOMID 440 ECO is a colorless concentrated product for outdoor work and treating rooms with high humidity. It is applied surface-wise and by immersing the material. Solution consumption: 250-350 g/m². Price: from 280 rub./l.
- NEOMID 46 BiO is an antiseptic recommended for use in construction, transportation and storage of lumber. It can be applied in any way and is often used in production. Solution consumption: 100-200 g/m². Price: from 310 rub./l.
- NEOMID 430 ECO - non-washable preservative composition for enhanced protection wooden structures in particularly difficult conditions of use. Applied in any way, it gives the surface a greenish-brown tint. Consumption for planed lumber is 150-250 g/m², for sawn timber - 250-400 g/m². Price: from 500 rub./l.
In addition to the listed impregnations, universal and fire-retardant antiseptics, bleaching agents and special compositions are also produced: for killing insects, treating ends, etc.
5. Tikkurila
Finnish-made products that have earned the maximum number of positive consumer reviews. Multicomponent impregnations are offered in different interpretations and perform well in any climatic conditions. Most Popular:
- Antiseptic primer Valti-Pohjuste for outdoor use. Price: from 240 rub. for 0.9 l;
- Vinha basic antiseptic. Price: from 295 rub. for 0.9 l;
- Facade azure Valtti Color. Price: from 238 rub. for 0.9 l.
The range includes waxes and oils, products for baths and saunas, acrylate and oil paints.
Today it is quite difficult to find high-quality and environmentally friendly products for wood processing. Impregnation on acrylic base, which is an absolutely safe product.
The product contains natural wax, which provides reliable protection from moisture, mold and mildew. The impregnation is easy to apply due to its gel consistency and does not form smudges.
The wide range of LuxDecorPlus colors allows you to choose the most suitable color for decorating wood. The impregnation is suitable for application indoors and outdoors. With its help, it is possible to increase the service life of wood and protect the surface from exposure to ultraviolet radiation.
LuxDecorPlus impregnation consumption is up to 20 m²/1l (1 layer) for a planed surface when applying one layer.
Impregnation is also worthy of attention brands Sitex, Texturol, Dufa, Woodmaster, Pinotex. All the described antiseptic agents meet the stated criteria; the choice in favor of one or another must be made based on the specific case.
Do-it-yourself external impregnation
Heated bitumen can be used as an impregnation for rafter systems. And treat especially critical areas with used machine oil. These are excellent antiseptics, but the surfaces coated with them are not suitable for subsequent decorative treatment, so their use is justified in places inaccessible to view.
An antiseptic for visible areas can be prepared by mixing 100 g of iron sulfate, 10 g of potassium permanganate and 20 liters of water in a plastic 25-liter canister. Masters claim that such a composition can easily replace a purchased one and at the same time will cost much less.
Before processing wooden house any type, the question arises: Which antiseptic for wood is better to choose? It is difficult to answer this question unambiguously. Each manufacturer praises its product, and the price is determined by the “promotion of the brand.” Real reviews about the compositions can be read on numerous forums. Manufacturers' websites do not always provide reliable information. In this article, we analyzed the most popular antiseptics that received the most high places Among the reviews from users, we identified the best among each type.
User reviews highlight, first of all, inexpensive but effective timber houses for construction: Vllti, Senezh, Neomid, Tikkurila, Sodolin. But in each group there are means that are effective in one or another area of wood protection. Universal antiseptics are not as effective, so it is better to use targeted ones.
Fungus protection
The fungus settles on wood in a humid environment and quickly covers all the lower links and floor joists with spores. User reviews indicate the effectiveness of two products in such cases: PAF-LST antiseptic paste, manufacturer St. Petersburg, and Homeenpoisto1 from Tikkuril. Their price starts from 110 rubles/l.
There are also a lot of reviews about the effectiveness “ old-fashioned methods" with help copper sulfate and working off machine oil. You can fumigate a room with sulfur, but this method is not safe, since sulfur dioxide can kill a person, the choice is always up to the owner.
Bioprotection of wood in a humid environment (ground, precipitation)
B 
The most positive reviews in these conditions are about antiseptics from the Moscow manufacturer Senezh: Ultra, Bio. Neomid 440 and Valtti Aquacolor performed well.
These deep impregnation products are capable of creating an impenetrable protective layer in the tree after the construction of a house made of laminated veneer lumber and other lumber. The antiseptic should be applied to a dried and cleaned surface in 2-3 layers. Before each subsequent one, the previous one is allowed to dry for up to 7 hours. Complete drying of the product occurs after 12 hours. Consumption from 1 l per 10 m2.
Antiseptics for wet environments are produced in containers from 0.5 to 50 liters. The price starts from 70 rubles.
Antiseptic for lumber with natural moisture
Manufacturers use similar products. They usually have deep penetration with a non-washable structure. Penetrating into new raw materials, they slightly change its color to light greenish. According to reviews the best choice means: Finesta, BS-13, Senezh Trans, Senezh Eurotrans, Neomid 460. Which one is better is difficult to judge.
Coatings are mainly purchased by manufacturers in bulk. Produced in containers from 10 to 200 liters. Price for 10 liters - from 250 rubles.
Protection of unbarked wood
Unbarked wood is round wood with the bark still intact. This is purchased directly from sawmills and is cheaper than finished logs. It is easy to store such material in a dry and ventilated area. But not everyone can afford such warehouses. For preservation, deep-impregnated antiseptics are used, but not all are suitable. According to the review rating, the most economical and accessible remedy Neomid 420. Antiseptic costs from 100 rubles.
There are many more folk antiseptics, when the log is soaked in various oils or lubricated with bleach and quicklime. But if the question arises: which antiseptic for wood is better, you still need to use a specialized product.
Primer-type antiseptics
Such primers are used for application under paint, varnish, etc. They are not particularly liked to be used, since their penetration is too small and their service life is not longer. Moreover, if you leave the primed surface without finishing coating for more than 7 days outside the house it will simply be washed away by precipitation.
Among the primers, the most positive reviews are about Pinotex Base, Pinotex Wood Primer, Valtti Pohjuste, Valtti Aquabase. Users praise the smooth application, quick drying and good adhesion to wood. The varnish and paints on such a primer will not begin to peel off after 1-2 years, and the choice of product line is wide. The price of primer antiseptics starts from 110 rubles.
Bioprotective tinted antiseptic
Using a tinted antiseptic, you can achieve an even color of the walls. They are used as an alternative to tinted varnish, for example, for the construction of a house made of profiled timber .
Which one is better depends on the skill and skill of the master. But when applying varnish it is difficult to achieve an even layer; the result is a “camouflage” of color. This effect can be avoided by using a tinted antiseptic and covering it with a transparent varnish.
Of course, almost any antiseptic can be tinted, but Pinotex Classic proved to be the best. By tinting you can achieve more than 50 shades. The coating costs from 150 rubles/l.
Bioprotective antiseptic with UV filter
Ultraviolet rays cause more damage to wood. In addition, paint on walls without UV protection quickly fades and loses a number of its properties. According to reviews, very few inexpensive and effective antiseptics have been developed for ultraviolet radiation. Among the most effective are Neomid Bio Color and Pinotex Ultra.
These compositions are also good because they can be tinted to add decor to the walls. And in addition to the sun, the compositions protect wood from microorganisms. The products cost from 170 rubles/l, but with them you no longer need to apply an additional bioantiseptic.
Antiseptics for terraces, gazebos and open areas
Next to any private wooden house, many courtyard buildings are built. Typically, the same type of material is used for a wooden house, so the buildings fit harmoniously into the site. Such buildings also need treatment.
For processing, specialized compounds are used that are resistant to leaching and can withstand temperature changes. The best reviews about Pinotex Natural and Pinotex Terrace Oil. Their price starts from 350 rubles, but their quality and durability put them at the top of the rating.
Antiseptic for painted and old wood
Similar ones are used for houses that are already painted. Of course, it is ineffective, since it does not penetrate deep into the wood, but only creates a protective film. Reviews say that if possible, it is better to remove the old paint and only then treat the wood.
But if there is no money and time for painstaking work, then you can use the following compositions? Valtti Techno or Homeenpoisto 1. The compositions will temporarily save the old building, but the treatment will need to be carried out every year. They cost from 110 rubles/l.
Wood bleaching
If the treatment is not carried out on time, the tree will quickly turn blue. They can save the situation special means. They are applied with a brush to a specific damaged area and after 1-2 hours the wood brightens and returns to its original color. If necessary, the procedure can be repeated 2-3 times. Neomid 500 and Senezh Neo are considered the most effective in this regard. Their price starts from 170 rubles/l.
Wood with all its advantages when used as raw material for building materials It has a couple of serious drawbacks: it burns well and is just as easily attacked by insects and fungus. It is not surprising that owners of private houses are interested in finding compounds that improve the fire-bioprotective properties of wood. Let's try to help with the choice and present in one place recommendations and reviews on the use of certain compounds, and also answer the main question: how to choose the best fire protection for wood?
What is fire protection for wood?
There are about five hundred fires in Russia alone every day, millions of rubles are spent on eliminating the consequences. Just think: wooden house It burns out in about half an hour! And it’s good if the damage is measured only in money. Is it worth explaining why the processing of wood with special compounds is so important? great importance. Usually, one product combines two useful qualities at once: protection against fire, as well as damage from microorganisms and insects - fire retardants and antiseptics in one bottle!
A small educational program. Fire retardants are substances that serve to prevent fire and subsequent combustion of wood and other combustible materials. Without going into the mechanism of their operation, we will stipulate that they can act in different ways: 1) when heated, they release carbon dioxide, thereby forming a non-flammable “cushion” covering a layer of wood; 2) when heated, form a fireproof swelling layer on the surface of the treated material; 3) at the processing stage, the fire-bioprotection solution clogs the pores of the top layer of wood, and, being a non-flammable component, literally reduces the percentage of combustible composition in the surface layer of the material. Antiseptics are substances that work against microbes, rot, mold, etc., and even against insects, for which wood is a tasty morsel. It so happened that to optimize the process and process the same critical structures, it is quite possible to use a 2 in 1 solution. This is what led to the wide popularity of firebio protective compounds for wood.
7 simple rules you need to know when choosing
- There are no miracles. The tree will catch fire sooner or later – it’s a matter of time. But sometimes the minutes count, on which someone’s life depends. The facts are that those not treated with flame retardants wooden buildings burn faster than processed ones.
- 1 or 2 group. There are three groups in total, but only the first two are important for protection; in short, then: group 2 - retardation of flammability, group 1 - retardation of flammability and combustion. Those. The first group allows you to take fire protection seriously and provide the highest possible protection.
- The price is determined by consumption. The problem is that the packaging and concentrations of solutions can vary significantly, hence the difference in the consumption of the composition for treating 1 square meter. meters of surface. Don’t be lazy and estimate how much it will cost you to achieve the first or second group of protection when treated with one or another composition - don’t just compare the cost of the packages.
- Specific properties. When choosing fire protection for wood processing, it is necessary to consider whether the structure will subsequently be exposed to moisture or change temperature conditions, will it be hidden from view finishing materials or it is planned to apply decorative layers over the treated parts. Because there are compositions that are resistant to external influences, some with dyes (to control work) and transparent ones - depend on the working conditions.
- Everything is subject to time. The effectiveness of protection decreases over time. The usual period is up to 5-20 years, after which it is necessary to carry out treatment again. But the gap can be seriously shortened if the operating conditions of the structure are violated: exposure to moisture, freezing of structures, etc. Here it is necessary to make a small digression and explain the duration of the protective properties of the “chemistry” we are considering. You need to understand that under normal operating conditions of the treated sample (in a dry place, protected from precipitation), flame retardants of the same nature will be equally effective. And often the average coating life declared by the seller is just another attempt to increase the cost of their products.
- About the composition. Usually they write vaguely: “ water solution target components”, “flame retardant salts, biocidal additives”, etc. It is simply not possible to find out what exactly is inside a jar, canister or bag by studying the label. As a rule, nothing innovative, so we recommend watching the video at the end of this chapter.
- Manufacturers. There are many of them and they have a hard time due to great competition. Hence the abundance of products of different packaging, with different names and other marketing tricks. From our experience, we can say that fire bioprotection is being prepared by everyone today. Therefore, it is better to trust trusted manufacturers, and at the first doubt, ask for a certificate of conformity.
As promised, we invite you to watch an educational video, especially relevant in difficult times of crisis. It presents one of the fire protection options for wood, which contains boric acid and sodium carbonate. A liter of such impregnation will cost about 10 rubles, and its effectiveness will be no worse than the ready-made solutions sold.
This is one of the most popular options for homemade mixtures. If desired, you can find other solutions on specialized forums, for example, based on potassium carbonate (potash), etc. The essence remains the same.
TOP 5 manufacturers of fire-bioprotective compounds for wood
What have we done? We took the 5 most popular companies involved in the production of paint and varnish products and examined the compositions they offered with the protective properties that interested us. Two goals were pursued: to clearly show the difference in characteristics between individual brands and to calculate the unit cost of processing one square meter, for example, wooden wall. For the calculation, we took the cost based on the most popular packaging with a weight close to the minimum possible.
1. Neomid (“EXPERTECOLOGY-NEOHIM”)
Products manufactured under the brand name appeared on Russian market more than 10 years ago. During this time, its popularity has reached unprecedented heights, and therefore fire-bioprotective compounds for wood from this manufacturer are used in great demand on the territory of the CIS. At the time of writing, the company’s catalog included 4 products for protecting wooden structures from fire and biological influence. Their characteristics are summarized in the table below.
| NEOMID 450 (impregnation) | NEOMID 450-1 (impregnation) | NEOMID 001 SuperProff (impregnation) | NEOMID 040 Professional (paint) | |
|---|---|---|---|---|
| Purpose | to protect wooden structures from ignition and flame spread | Provides protection against ignition, burning and flame propagation | ||
| bioprotection: against mold, rot, insect damage | ||||
| Average fire protection period | up to 7 years | |||
| Average biosecurity period | up to 10 years | |||
| II | I or II | I | ||
| No | Red color | No | matte finish, tinted | |
| Consumption, g/sq. meter | 400 | 250 (I gr.) or 150 (II gr.) | 600 (I gr.) or 500 (II gr.) | 250 |
| Packaging, kg | 5, 10, 20, 30, 200 | 5, 10, 30, 200 | 1, 5, 30 | 25, 60, 150 |
| Approximate price* | 340 rub. for 5 kg. | 660 rub. for 5 kg. | 1030 rub. for 5 kg | 6000 rub. for 25 kg. |
* – indicated approximately for comparison with other products
We calculate: when processing a square with NEOMID 450 - 27.2 rubles. (II gr.); NEOMID 450-1 – 33 rub. (I gr.), 19, rub. (II gr.); NEOMID 001 SuperProff – 123.6 rub. (I gr.), 103 rub. (II gr.); NEOMID 040 Professional – 60 rub. (I gr.).
In the video below you can see a short advertising review from the manufacturer of the fire retardant-antiseptic Neomid 450. A little about what the composition is, how it works and how to apply it. The houses will subsequently be set on fire and the effectiveness of using a fire-retardant composition will be demonstrated.
NEOMID products have all the necessary certificates, which guarantees them high quality. The choice is up to the buyer, since there is plenty to choose from.
2. Senezh (“Senezh-preparations”)
Under the SENEZH trademark, a whole line of wood protection compounds is produced in Russia. Regarding our topic, the manufacturer offers two products to increase resistance to fire and fungal and bacterial attack: SENEZH OGNEBIO and OGNEBIO PROF. Let's try to figure out what changes are typical for impregnation with the prefix “prof” in the name. For convenience, we summarize all comparison parameters in a small table.
| Comparison criterion/Product name | SENEZH OGNEBIO | SENEZH OGNEBIO PROF |
|---|---|---|
| Purpose | for protection against fire, flame spread | for protection against combustion, ignition, flame spread |
| for protection against rot, mold, blue stains and wood-boring insects | ||
| Average fire protection period | 3 years | 5 years |
| Average biosecurity period | 20 years | |
| Fire retardant efficiency group | II | I or II |
| Surface treatment control | no (transparent composition) | yes (colored composition) |
| Consumption, g/sq. meter | 600 (II gr.) | 600 (I gr.) or 300 (II gr.) |
| Packaging, kg | 5, 10, 65, 70 | 5, 25, 75, 80 |
| Approximate price* | from 700 rub. for 10 kg | from 620 rub. for 5 kg |
* – indicated for comparison with other products
We calculate the cost of processing one square meter: when using OGNEBIO - 42 rubles. (II gr.), choosing OGNEBIO PROF – 74.7 rub. (I gr.), 37.3 rub. (II gr.).
Note that it is not without reason that we put these impregnations in first place. Protective materials from this manufacturer are in greatest demand in the Russian Federation.
3. Pirilax (“NORTH”)
Izhevsk manufacturer NPO NORT offers 6 options of fire-retardant impregnations (four from the Pirilax group + a couple of others) for both interior and exterior work. The company sells its products with the branded prefix “biopyrene”. Let's look at the main technical characteristics of these compounds.
| Comparison criterion/Product name | Pirilax (for external and internal work) | OZONE-007 (for interior work) | MIG-09 (for interior work) | |||||
|---|---|---|---|---|---|---|---|---|
| Lux | Classic | Terma | Prime | |||||
| Purpose | from fire and flame spread, from mold and insects | from fire, mold and insects | from fire and flame spread in the attic and on rafter systems, from mold and insects | |||||
| for harsh operating conditions | for baths and saunas | for normal operating conditions | for processing attic spaces and rafter systems | |||||
| Average fire protection period | outside: up to 5 years; inside: up to 16 years | outside: up to 5 years; inside: up to 16 years; inside baths: up to 6 years | outside: up to 2 years; inside: up to 5 years | 5-30 years indoors depending on conditions | inside unheated premises: up to 12 years | |||
| Average biosecurity period | outside: up to 10 years; inside: up to 25 years | outside: up to 7.5 years; inside: up to 20 years | outside: up to 7.5 years; inside: up to 20 years; inside baths: up to 6 years | outside: up to 2 years; inside: up to 7 years | not specified | |||
| Fire retardant efficiency group | I or II | II | I or II | |||||
| Surface treatment control | Tints with amber color | No | No | no, but with high consumption it can turn yellow | ||||
| Consumption, g/sq. meter | 280 (I gr.) or 180 (II gr.) | 200 | concentrate: 103 (I gr.) or 69 (II gr.) | dry concentrate: 100 (I gr.) or 50 (II gr.) | ||||
| Packaging, kg | 1, 3.3, 10.5, 24, 50 | 1.1, 3.5, 11, 24, 50 | 1.1, 3.5, 11, 26, 50 | 1, 3.2, 10, 22, 46 | 5, 16, 48, 65 | 25 | ||
| Approximate price* | 387 rub. for 1 kg | 338 rub. for 1.1 kg | 290 rub. for 1.1 kg | 251 rub. for 1 kg | 1320 rub. for 5 kg | 1750 rub. for 25 kg | ||
* – for comparison only
We calculate: when treating 1 m² of wood with Lux, the costs will be 108.4 rubles. (I gr.) and 69.6 rub. (II gr.); Classic – 86.7 rub. (I gr.) and 55.4 (II gr.); Terma – 74.4 rub. (I gr.) and 47.5 rub. (II gr.); Prime – 50.2 rub. (II gr.); OZONE-007 – 27.2 rub. (I gr.) and 18.2 (II gr.); MIG-09 – 7 rub. (I gr.) and 3.5 rub. (II gr.).
The range of products from the North company is quite large, but the price for it can hardly be called affordable. This concerns ready-made compositions Pyrilax. Below we suggest that you familiarize yourself with a video review and comparison of Russian fire-bioprotective compounds, among which one of the solutions discussed above also appears. Despite some flaws in the purity of the experiments, the video turned out to be quite educational:
4. Woodmaster, Pyrex (“Rogneda”)
"NPP Rogneda" is another large Russian manufacturer paint and varnish coatings, in the assortment of which there was a place for fire-retardant compounds for wood. There are three branches to choose from: Woodmaster, Pirex and Ecodom. Let's look at their capabilities in two tables below.
| Comparison criterion/Product name | WOODMASTER | ||
|---|---|---|---|
| CORD | KSD | PHENYLAX | |
| Purpose | transforms wood into a highly flammable material with protection against biological damage | transforms wood into a highly flammable material with two-level protection against biological damage, can be used to impregnate fabrics | transforms wood into a fire-resistant material, provides bioprotection under normal operating conditions |
| Average fire protection period | up to 2 years | 5 years | 3 years (I gr.), 4 years (II gr.) |
| Average biosecurity period | up to 4 years | ||
| Fire retardant efficiency group | II | I or II | |
| Surface treatment control | no (transparent composition) | yes (colored composition) | |
| Consumption, g/sq. meter | 600 (II gr.) | 600 (I gr.) or 300 (II gr.) | 500 (I gr.) or 300 (II gr.) |
| Packaging, kg | 5, 10, 65, 70 | 5, 25, 75, 80 | 6, 11, 25, 75, 220 |
| Approximate price* | from 320 rub. for 5 kg | from 390 rub. for 5 kg | from 460 rub. for 6 kg |
We calculate: treating one square meter with KORD will cost 38.4 rubles. (II gr.), KSD - 46.8 rubles. (I gr.) and 23.4 rub. (II gr.), PHENYLAX – 38.3 rub. (I gr.) and 23 rub. (II gr.).
| Comparison criterion/Product name | PIREX | ECOHOUSE | |||
|---|---|---|---|---|---|
| FireBioPROF | DECOR | OGNEBIO | OGNEBIOPROF | ||
| Purpose | after impregnation, the wood becomes fire-resistant with bioprotection | 3 in 1 varnish: makes wood flame retardant, provides bioprotection, forms a decorative layer | after processing, the material becomes flame-retardant and protected from biodestruction | transfers to the category of fire-resistant + bioprotection | |
| Average fire protection period | up to 10 years | up to 10 years (inside), up to 6 years (outside) | 2 years | 4 years | |
| Average biosecurity period | 4 years | 5 years | |||
| Fire retardant efficiency group | I and II | II | |||
| Surface treatment control | pink to dark golden | no (transparent) | crimson coloring | ||
| Consumption, g/sq. meter | 280 (I gr.) or 180 (II gr.) | 250 (II gr.) | 450 (II gr.) | 500 (I gr.) or 300 (II gr.) | |
| Packaging, kg | 12, 25 | 0.8, 3, 10 | 5, 10, 20, 65 | ||
| Approximate price* | from 4250 rub. for 12 kg | from 555 rub. for 0.8 kg | from 220 rub. for 5 kg | from 280 rub. for 5 kg | |
We continue to count: for a square of wood treated with PIREX FireBioPROF, you will have to pay 99.2 rubles. (I gr.) or 63.7 rub. (II gr.), PIREX DECOR – 173.4 rub. (II gr.), ECOD HOUSE OGNEBIO – 19.8 rubles. (II gr.), ECOHOUSE OGNEBIOPROF – 28 rub. (I gr.) or 16.8 rub. (II gr.).
The video below shows short review lines of fire retardants from Wood Master:
5. Olympus (Descartes)
As another popular manufacturer of paints and varnishes, let us cite as an example the products of JSC Descartes. It was not by chance that we chose it - the company has been developing and manufacturing protective and decorative compounds for wood and stone since 1992. At the time of writing, the company’s product range included only two types of fire-bioprotective compounds produced under the Olymp brand: Fire-bioprotection group 1 and Fire-bioprotection group 2. The main properties are clear from the name. But let's take a closer look at the technical characteristics of this product.
We calculate: with the indicated values, processing one square meter with the composition of 1 group will cost 40 rubles, 2 groups - 17.6 rubles. As in most other cases, the difference in price to achieve the first and second efficiency groups is approximately twofold.
About reviews
As for reviews about the use of compositions for wood treatment, only a small number of buyers who decided to experimentally verify the effectiveness of the use of impregnations can objectively evaluate the fire-bioprotective properties. For example, they bought the composition, applied it to the board and threw it into the fire, observing the further development of events. In most cases, all of the above types of fire protection met expectations. The main thing here is to buy material produced by a company that is well-known, and also not to run into a fake - buy in branded stores or large construction markets. Therefore, we will not once again advertise individual products here, especially since no one pays us for this.
Wood must be protected and looked after, because it is constantly threatened by decay, fungi, and mold. Where do these misfortunes come from? Almost from the air: fungal spores and bacteria can get on it in the forest or during transportation - in general, anywhere. And they should be in favorable conditions, don’t expect any mercy here.
The first signs of wood disease are not difficult to notice: dark spots, a grayish coating, oversaturation with moisture... Well, when the material begins to rot, you will immediately see it. The worst enemy of wood is white house mushroom. It successfully disguises itself as ordinary mold; at first, only specialists can distinguish it. But this is until the mushroom shows its character. Under certain conditions, it can “eat” an entire oak floor 4 centimeters thick in a month! They say that in the old days, a hut where such a harmful “tenant” appeared was immediately burned so as not to infect other buildings.
What conditions contribute to the development of diseases? Most mushrooms develop exclusively at a relative air humidity of 80-95% and moderate temperature. These are the indicators that are characteristic of places with stagnant air. Therefore, in order to save wood (both during storage and during construction), you must remember the rule: it must be ventilated. This means that the house design must include natural ventilation all premises and structures. Then the development of the fungus will be stopped, even if it is firmly entrenched in the wood. Humidity less than 20% for putrefactive microorganisms is like fire for typhus louse. Such moisture content of lumber can be achieved by artificial or natural drying from January to July in conditions middle zone Russia.
Methods of protecting wood from rotting, in addition to drying and structural measures, also include impregnation with antiseptic compounds. This way of fighting the disease today, unfortunately, often becomes the only one - due to its simplicity and cheapness. In addition, the latest antiseptics can not only prevent damage to wood, but also treat material that has begun to deteriorate.
Antiseptics offered on the modern market can be divided into two main groups. The first is antiseptic impregnation, which is a solution of salts or some other substances (fungicides, algaecides and combined products). These preparations require subsequent surface treatment in order to isolate it (to avoid leaching, evaporation of the antiseptic) or to prevent direct contact with the human body (due to the toxicity of the components). The second group includes antiseptic coatings that form a protective film. In this case additional processing wooden surface not required. Products of both groups are produced both on a water basis and on the basis of organic solvents.
Antiseptics can be divided in another way, also into two groups: compositions for normal operating conditions (protection against moisture condensation, without direct contact with soil and precipitation) and for difficult and critical areas (with direct exposure to atmospheric and soil water, contact with soil). If the drug is intended for severe conditions, the manufacturer will definitely indicate this on the label.
What does the market offer?
There are many antiseptic products on sale, both domestic and foreign. Let's start with the "classic" Russian antiseptics. They are produced in dry form and diluted with warm (50-60°C) water at the work site. When dry, they can be stored indefinitely (in a tightly sealed container, of course). But the shelf life of the prepared solutions is 3-6 months. All these substances are toxic and odorless. Apply in 2-3 layers with an interval of at least two hours. Not flammable or explosive.
These antiseptics include four drugs of the Senezh brand produced by NPO DEREVOSASCHITA: Senezh Ecobio, Senezh Ultra, Senezh, Senezh Bio. All of them protect the surface from rot, mold, blue stains, insects (woodworms) and stop damage that has already begun. Solution consumption - 250 g/m2. Dry antiseptic is packaged in canisters (5 and 10 kg), cans (65 kg) and bags (40 kg). Costs from 11 to 14 rubles. (1 kg without packaging). The last two of these drugs can be used in severe conditions and do not require additional protection from washing out.
For temporary protection of lumber during drying, transportation and storage, SENEZH offers two antiseptic compositions that dissolve on site. "Senezh Trans" is suitable for processing materials with a humidity of more than 40%, and "Senezh Supertrans" successfully copes with humidity up to 80%, but, on the other hand, paints the wood greenish.
With regard to wood pests (borers, bark beetles, longhorned beetles and other wood-gnawers), all of the above-mentioned antiseptics have a repellent effect, but do not destroy them. To destroy insects, and at the same time prevent their appearance in the future, special compounds have been created. Like all previous ones, these drugs also eliminate and prevent the formation of mold, fungi, various types blue, etc. For example, the company "ROGNEDA" offers a biocidal antiseptic composition "Antizhuk". It is applicable for both external and internal work. To reliably kill pests, the drug should be injected into the wood through the exit holes of beetles and larvae. For preventive purposes, it is applied to dry, clean surfaces, providing a flow rate of 0.25-0.4 l/m2. Packaging - containers of 5, 10, 200 l. Cost - 10.62 rubles/l. A composition for fighting insects is also offered in the line of the mentioned preparations “Wood Healer” from “LOVIN”. It's called "Mark 4". Cost - about 93 rub./l.
Imported products are also widely represented on the market. Among them, perhaps the most famous are antiseptics from TIKKURILA (Finland) and SADOLIN (Estonia).
Comparison of antiseptics
We have already said that there are antiseptics on sale that do not form a surface film, and some that do. It is impossible to unequivocally answer the question which of them is better. To do right choice, it is necessary to know exactly the operating conditions of the structure being processed, the type of wood, and the type of lumber. In both antiseptics, the biocide penetrates the structure of the tree, turning it into an environment unsuitable for pests. But when using impregnation without a film, the biocide can be washed out, evaporate or decompose under the influence of ultraviolet radiation. In wood treated with a film-forming antiseptic, the biocide is reliably protected. The film protects it from washing out and weathering, and it, in turn, saves it from destruction under the influence of various bioorganisms, preventing them from developing in the subfilm space.
Like everything in the world, antiseptics have a limited validity period; after its expiration, the wood treatment should be repeated. Film-forming coating is used in cases where it is necessary to protect wood from precipitation or if prolonged contact with moisture is possible. Finally, sometimes such finishing is dictated by aesthetic considerations. In other cases, use an antiseptic with protective coating it makes no sense.
You will ask why? Antiseptic impregnation is 1-6% biocide, and the rest is solvent. Biocides are used both imported (Metatin, Preventol, Mergal, Troy, and others) and domestic - salts of hydrofluoric and fluorosilicic acids and a number of other compounds. Each is effective against specific types wood-destroying diseases. For example, some biocide works well against blue stains, well against house fungus, and only satisfactorily against mold. And the other, on the contrary, “fights” mold well and is worse against other diseases. In general, the picture is the same as with medicines for people: each helps against one disease and to some extent prevents the occurrence of a number of other ailments, but does not cure them. There is simply no universal antiseptic that can effectively fight all diseases. In most cases, manufacturing companies do not indicate which type of fungus or mold this impregnation is especially effective against, and which less so - they simply list the “standard” set of diseases.
Meanwhile, according to statistics, in 70% of cases of wood damage on the first floors and in basements, white house fungi and house weeping fungi are to blame. IN wooden partitions the most common are the small wood-boring beetle and the mine tree beetle. Typical enemies of attic wooden structures are coniferous mushrooms and house beetles. In accordance with this, protective measures for each structure must be thought out.
For new antiseptic treatment of wood parts previously treated with impregnation with a covering film, this film will need to be removed. In the case of using antiseptics without a surface film, the fight against new diseases is greatly simplified.
Biomoisture protective compounds
These are preparations for combating fungus, mold and other pests, giving the wood protective, water-repellent and decorative properties. The appearance of such compositions was quite logical: why cover the surface with three different substances (antiseptic, stain, varnish), if you can apply the same thing at once? Look at the “labor savings” that results! It is precisely this “saving of labor costs” that complex decorative impregnations with antiseptic properties that have recently appeared on our market owe their popularity.
It’s worth starting a conversation about bio-moisture-proof impregnations with the fact that their composition is very complex. They include binders (film formers), cross-linking agents, pigments, solvents and additives. The nature of the binder determines the weather resistance and adhesion strength of the drug to the surface. Here, as in paints, latex, acrylic and alkyd polymers are used. Cross-linking agents are substances that cause the formation of cross-links in a polymer. The result is a stronger and tougher coating. Drying accelerators - driers - are organic salts that speed up the drying process. Pigments impart color and opacity to a coating by absorbing or scattering light. Solvent is a medium that ensures the transfer of composition components to the surface. The components either dissolve or form suspensions, which determines the drying speed of the coating. The technological properties of impregnation are improved by additives, the range of which is wide, and the compositions are kept secret. Can act as solvents organic matter(for example, white spirit) or water. In the latter case, as a rule, water-dispersed acrylic impregnations, forming a protective film on the surface of the wood.
Is there a choice?
Perhaps the most famous is "Pinotex" - the very first complex impregnation to appear on the domestic market. Other foreign companies with their complex drugs became known a little later. Domestic impregnations were the last to appear on the market. Compositions such as "Pinotex" are produced both in Finland and in Estonia (company SADOLIN). Estonian impregnations in Russia are sold at a lower price than Finnish ones. All compositions of this class form a protective film (of varying durability, depending on the nature of the components). As a rule, the product requires two or three coatings for long service life.
Which solvent do you prefer?
Each of the two types of solvents mentioned has its pros and cons. A water antiseptic is somewhat more expensive, but it dries faster - after an hour or two you can already apply a second layer. Non-aqueous antiseptics dry for at least 12 hours. A water antiseptic on loose wood “raises” the wood texture and makes it more contrasting. Non-aqueous is absorbed equally on layers of slow and fast maturation and therefore does not create such an effect.
White spirit has a not too strong, but still unpleasant odor, which not everyone wants to tolerate. In addition, modern trends (this is a kind of fashion in construction) require the use of water antiseptics as they are more environmentally friendly.
Well, after the impregnation has dried, only a specialist can determine whether it was aqueous or an organic solvent. And then by “lifting” the wood. The range of colors of the proposed compositions is almost the same. After the warranty period has expired, the type of solvent used will no longer matter - not a trace of the organic solvent will remain, and the same film-forming substances are used in both types of impregnations. Therefore, after five years, you can safely apply impregnation on organic matter over water-soluble impregnation and vice versa.
If, after the expiration of the warranty period, for some reason you were unable to apply a new coating in a timely manner, do not worry - nothing bad will happen to the wood from which the house is made, and you still have time to correct your mistake. The only thing is that during this period the color of the surface may change. Painting pigments can be transformed by precipitation and ultraviolet radiation from the sun, and as a result the house will look less impressive.
It should be borne in mind that many biomoisture-protective impregnations, that is, containing a biocide, are harmful both to bugs and other pests and to humans. If the impregnation contains the inscription “For external use,” this means that it contains a biocide, the use of which for internal work is simply unacceptable. Thus, the well-known Finnish “Pinotex” is prohibited in its homeland for use in residential spaces (as indicated by the corresponding inscription on the label). In Russia, for some reason, this is “delicately” kept silent. For use inside buildings, there are special decorative impregnations and coatings that use “not very aggressive” and, therefore, non-hazardous biocides for human health. If a situation arises when it is simply necessary to treat the wood of residential premises with a “hard” antiseptic composition (anything can happen, unfortunately), it is necessary to protect the surfaces coated with it with varnish in order to prevent the “vaporization” of the biocide.
Wood quality
A few words about preparing wood for application of impregnation and the rules for the application itself. We will not fully describe the entire process, but will only say that the task of preparation is to ensure unhindered absorption of the impregnation. The surface must be dry and clean and no surfactants are allowed on it (for example, detergents), fats and oils, resins and others that can affect the absorbency of wood and, thus, cause uneven coloring. When working with antiseptics, you should remember that any of them, even the most harmless one, is toxic. Therefore, it is necessary to observe basic safety measures: avoid contact of the composition with open parts of the body, its contact with mucous membranes and inside the body (work should be carried out with rubber gloves; when applying the composition by spraying, use personal respiratory protection and special glasses).
All impregnations are applied by roller, brush or spray, in a continuous layer along the wood fibers, with increasing consumption in places where constant contact with water and/or solar radiation(for example, the ends of lumber are impregnated until saturated). It is recommended to apply at least two layers - by increasing their number, the durability of the coating increases, and each subsequent layer makes the coating more glossy (1 layer - matte, 2 - semi-gloss, 3 - glossy). One coat is sufficient to renew a previously coated surface. As with paint, when covering large surfaces, it is recommended to mix the required amount in one bowl to ensure an even tone. It is not recommended to paint in very hot or windy weather or in direct sunlight. This causes too much solvent evaporation during drying and, therefore, reduces the absorption depth of the composition and can even lead to the formation of gas bubbles on the surface of the coating.
Trust without checking?
It is impossible not to say a few words about the problem of certification of impregnating compositions. Unfortunately, currently produced antiseptics and biomoisture protective drugs are not subject to mandatory certification. Therefore, each company that produces them has the right to claim that its antiseptics are simply excellent and correspond to those developed by it itself. technical specifications. Meanwhile, centers that determine the bioprotective effectiveness of impregnations still exist in our country. But they only assess compliance with GOST 30495-97, which clearly requires updating. According to its standards, a number of indicators are checked, including effectiveness in relation to the standard Senezh strain, which includes 27 different types of mushrooms. Everything seems to be fine. But you and I, as consumers, will not receive an answer to the question of how many years the bioprotective effectiveness of the composition remains, which impregnation is better, which is worse (unless, of course, we ourselves bring the samples we are interested in and order their testing). Finally, there is no certainty that compliance with all GOST indicators is proof of effectiveness in real conditions.
There is another very annoying nuance (and not only for consumers, but also for manufacturers): each of the certification centers does something, but it is almost impossible to obtain the information they have. But there seems to be no one to bring together the data from all the centers. And as a result, there is no guarantee that the purchased composition protects against the wood diseases that you decide to fight. That is, an antiseptic is like a “pig in a poke.” Either it will work or it won't. Methods for testing effectiveness proposed in the literature also do not provide full confidence that the desired result will be achieved.
In this article:
To ensure that structures made from rounded logs (as well as other wood products) last a long time, they are treated with biological protection agents at the production stage.
The main purpose of these chemical compounds:
- prevent the development of blue discoloration that may occur in coniferous species at high humidity;
- protect the tree from the effects of wood-boring insects;
- prevent the formation of mold and fungal growth. But in addition to resisting biological factors, we should not forget that wood is flammable material. Therefore, fire protection of finished products is as important as impregnation with antiseptic agents.
Features of applying biologically active impregnation
There are four antiseptic methods:
Application by brush
The cheapest and easiest method that does not require special equipment or special knowledge. Despite the high labor intensity, it is successfully used for antiseptic treatment of rounds and other large-sized lumber in small industries. The main disadvantage: the human factor and the need to apply impregnation in 2-3 layers.
2) Spraying
Compared to a brush, the use of sprayers greatly speeds up the antiseptic process. For treatment, pneumatic sprayers or portable (backpack) sprayers are used. But manual labor remains the same constant problem.
3) Machining
On large industries apply stationary machines pass-through type with the ability to automatically treat logs with an antiseptic.
Operating principle of the device:
- the rounded log is fed manually or using a drive;
- from the tank, the pump pumps liquid, which sprays the workpiece through the nozzles and flows back into the tank;
- the tank container is closed with a filter that prevents sawdust and other foreign substances from entering the antiseptic;
- The system of bumpers at the inlet minimizes the possibility of chips penetrating into the body, and at the outlet it cuts off excess liquid.
4) Immersion in baths
The principle is simple: The container of the impregnation bath (concrete or metal) is filled with an antiseptic, into which the lumber formed into a bag is immersed. In this case, the liquid level must exceed the level of the immersed material by at least 10 cm. To prevent the wood from floating and being soaked evenly, the logs are placed in stacks with a mandatory cushioning layer and pressed with a metal frame.
But to use this technology, it is necessary to have a lifting mechanism for lowering/raising a package of logs. And when using antiseptics in the form of a dry powder, you need to install a special mixer in the bathtub to prepare the solution.
Of course, the deeper the antiseptic penetrates, the more reliable the protection against the harmful effects of various biological destroyers. The best performance is achieved by products processed by immersion using hard-to-wash antiseptics.
But the depth of impregnation depends not only on the application technology, but also on the type of wood.
According to the degree of penetration of protective agents, GOST 20022.2-80 divides wood species into the following subgroups:
- difficult to impregnate - spruce, fir, Siberian larch;
- moderately impregnated - Siberian pine, cedar, European larch, oak;
- easily impregnated - Scots pine, beech.
As you can see, the wood from which rounding is mainly produced (pine, larch) lends itself quite well to impregnation. But with spruce you will have to work hard.
Classification of bioprotection agents
All bioprotection products are divided into: flame retardants, antiseptics, and universal preparations of combined effects.
Based on solubility, all protective agents are divided into:
- oils;
- water-based preparations;
- diluted in petroleum products and light solvents.
Since all preparations containing oils in the composition worsen the fire resistance of wood, water-soluble substances (sold in the form of powders or liquid concentrates) are most widely used for impregnating lumber.
Purpose and methods of fire protection of wood
For what?
Today, much attention is paid to ensuring the fire safety of load-bearing, enclosing and other building structures made of wood. Of course, no impregnation will preserve the structure in the event of a full-fledged fire. The rate of charring of coniferous wood due to the high content of resinous substances is high - 0.7-1 mm/minute. Therefore, at the advanced stage of combustion, surface impregnation will not be able to affect the rate of charring, but will only delay ignition for up to 4-5 minutes, which will allow the fire to be extinguished.
According to statistics, 80% of fires are caused by so-called low-calorie fire sources (cigarette butts, burning matches, welding, short circuit electrical networks, etc.). Fire-retardant impregnation is provided against these accidents, which will “mute” the interaction of wood and sparks, making it possible to prevent a fire at the stage of its occurrence.
The main fire protection methods used in wooden house construction:
- structural - cladding with non-combustible materials;
- chemical - the use of impregnating compounds, paints, enamels.
In the production of rounded logs, fire retardants are used for fire protection - they practically do not change the color of natural wood and meet the requirements of fire safety standards.
The methods of applying fire protection do not differ from antiseptics; they are also applied with a brush/roller, spray or immersion in a bath.
Features of applying impregnating agents for fire protection
- Fire retardants are applied to finished products that will not be subjected to further mechanical processing.
- Wood moisture content should not exceed 15%.
- Processing is carried out at a temperature not lower than +5, and air humidity not more than 70%;
- The composition must be applied in an even layer, without sagging or omissions.
- Quality control is carried out using PiP-1 (a portable device designed by VNIIPO) or by assessing the ignition of chips from a simple match. To do this, chips up to 1 mm thick are removed in 4-5 different places per 1000 m 2 finished product. If the wood is well processed, the shavings will not ignite when lit with a match.
How to choose the right means of fire and bioprotection
When choosing preparations for impregnation, care should be taken Special attention possible fumes and their impact on human health.
Main criteria:
- absence of organic solvents, heavy metal salts (chromic acid anion, arsenic, copper cations, etc.) in chemicals;
- durability - compositions for impregnation of internal structures should not be washed out by water, destroyed under the influence of ultraviolet radiation and remain functional for at least 5-7 years (for internal structures - at least 30 years);
- stability - during operation, the product should not evaporate or decompose.
The provision of a quality certificate, a sanitary-epidemiological report, a package of documents from the manufacturer indicating the components of the mixture and recommendations on safety measures when working with the product and its disposal will help you decide on a purchase. The presence of only a sanitary-epidemiological conclusion is not a guarantee of safety. Many chemical components that we are allowed to use for wood processing according to old GOSTs are recognized in many countries as harmful to human health.
It is best to trust a large manufacturing plant with a good reputation. Thus, among imported manufacturers, the brands Tikkurila, Ici Paints, Caparol, Bochemie, Sadolin, Remmers, Belinka, Osmo are distinguished. In the domestic market, they have worthy competition from the products of Senezh-Preparaty LLC, NPO NORT, JSC Rogneda, and JSC Antiseptic.
