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mezhventsovogo insulation

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mezhventsovogo insulation

Everyone knows the benefits of living in a wooden house, which are due to the unique characteristics of wood, a natural material that has no negative impact on the human body, does not cause allergic reactions. Due to the unique structure of wood in wooden houses maintained a constant oxygen balance and optimum moisture content. Properly constructed wooden house is much warmer houses of brick or concrete.
One of the main problems in the construction of the wooden house is the right choice mezhventsovogo insulation, which, as a minimum, must not impair the properties of the tree, and certainly not contribute to its destruction.
Mezhventsovogo insulation – is a natural modern material, which allows warm the house, keep it in the comfort and care about you and your health.


Mezhventsovogo insulation should ensure:

– Protection from blowing the house (have sufficient density and elasticity – not contribute to the formation of cracks in the operation of the house);

– To protect against heat loss (to have a low thermal conductivity);

– Have the ability to absorb and release moisture depending on the humidity changes both outside and inside the room is similar to the tree (the ratio of water absorption – moisture transfer vapor permeability);

– Not deteriorate from exposure to various environmental factors;

– Do not contribute to the development of various microorganisms;

– Do not contain hazardous to human health and the inclusion of allergens;

– Be durable – do not change their physical and chemical properties for several decades.

Let’s try to make sense of all the variety of heaters on the market and choose the ones that are better suited to our requirements. All presented on the modern building materials market heaters can be divided into groups:

Heaters with mineral and synthetic based

– Unconventional for wooden construction materials used in the commercial interest of the sellers of these materials and the “lazy” or dishonest builders.

– Fibrous mineral wool insulation:

– Materials based on glass, glass staple fiber (URSA, ISOVER), mineral wool, basalt minerals (Rockwool, PAROC);
– Materials closed cell:

– Styrofoam (polystyrene extrusion – Penoplex), polyethylene foam (Porileks, Pleneks, Izolon, Polyphemus, Energoflex);

– Sprayed rigid polyurethane foams, polyurethane foam (MAKROFLEX, PANAFIX, MACROFOAM etc);

– Different types of sealants (silicone, acrylic, etc.);
– Open-cell foam:

– Foamed polyurethane (foam, PSUL-PROFBAND etc.).

These insulation materials are widely used in the construction of modern buildings. With their help, insulated roof, exterior, interior and basement walls, floors and ceilings. In each case, a thermal insulation material are special requirements that depend on the conditions of its operation. The choice of material is carried out in accordance with the requirements of the material and its specifications. They are designed and perfectly perform their function for insulating shells of residential, public and industrial buildings of brick and concrete, but it is not suitable for mezhventsovogo insulation of wooden houses.

The fact that human habitation outwards (natural) and internal (related to human activity) processes which lead to changes in I indoor humidity, besides the tree has its own humidity (15% – 35% and higher for fresh, just timber ). These swings in humidity cause the wooden structure that is in constant motion (house “breathes”).

Water vapor permeability (ventilated) insulation mineral wool shall be the presence of air between the fibers (fibers themselves vapor permeability) in the case of foam – air fills the small pores of the material. Getting between crowns, insulation is compressed under the weight of the logs obtained dense vapor-proof layer of a homogeneous mass of material. Materials also closed cell are absolute paroizolyatorami.

As a result, in the case of the possible use of some materials, excessive moisture accumulates in the thickness of insulation, causing freezing weld others – is condensed in the joints of wood and insulation (the “greenhouse effect”) or a combination of both, which eventually causes destruction of wooden structures inside.

We consider separately the option of warming mezhventsovogo connection using several synthetic thermal insulation materials:

“Warm seam”

Here’s how the proposed insulate mezhventsovogo Connect:
“First of all – the heat insulating tape, which is laid between the logs …. This self-adhesive tape, unlike traditional flax is made on the basis of foam rubber and is impregnated with a special compound, whereby, to interact with the air, it gradually increases in volume by 3-5 times, thus filling all the voids. Then, in the outer or inner seams (or external and internal) are stacked cords of extruded polyethylene (they may be of different thickness), and already over the cord with assembly handgun corresponding acrylic sealant is applied. ”

Here’s a sandwich turned out. We now consider each of its components:
Heat tape – self-expanding foam containing fine pores in dry free state they are filled with air, and this is caused by heat insulating effect, and under the weight of wood pores shrink paroprovodnost falls to zero in the horizontal direction. In the vertical – the interaction surface thermal insulating tape with wet wood – the pores are filled with moisture, the material behaves like any foam – wet, but dry quickly wants. – Extruded polyethylene – he does not get wet (because all the pores are closed), but completely covers the movement of the pair. Well, in the completion of all – the sealant.
All cracks patched, warmth preserved, and what is happening inside of this design? Where natural ventilation? We must, as a minimum, to put air conditioners. This is a good way to insulate, for example, plastic window in concrete or brick house. Home from a bar or timber – all the same accumulation of moisture inside the heat insulation tape and the formation of condensation on the joints.

Insulation “by mistake”

Sometimes faced with as mezhventsovogo insulation batting, cotton batting, wool batting, felt. Reasoning about such “create the same with their use warm clothes, why cracks in the house shut up?”. And here it is impossible, because the moisture, the same moisture … And in the case of wool and even moles.

Heaters made of natural plant fibers: flax, hemp (hemp fiber), moss, jute

In Russia traditionally used for insulation of wooden houses tow (flax and hemp) or long moss (red moss, sphagnum moss, Kukushkin flax). All these natural materials perfectly function as insulation of a wooden house, have a low Koeffitsient conductivity (0.04 W / m ° C), due to the capillary structure of its fibers can accumulate and release moisture depending on the ambient humidity, have antibacterial properties prevent the occurrence of the fungus.

Its effectiveness as mezhventsovogo insulation of wooden houses they have proven over hundreds of years. Chemists have not managed to create a synthetic portage that can replace natural in quality. For a variety of reasons – moss (applies to uncultivated man natural resources and is not suitable for mass use, but at the same time is the most inexpensive kind of insulation) and cannabis (due to reduced acreage due to the presence of drugs in the inflorescences) less extent currently used for thermal insulation of wooden houses.

The disadvantages of natural materials should include the complexity in their styling, but these difficulties are easily solved in the case of modern mezhventsovogo flax linen tape insulation felts. Retaining all the properties of flax fiber, these materials provide the necessary workability in assembling wooden houses from planed and profiled timber, logs.


Try to understand the physical properties of insulation from various natural fibers due to their structure and chemical composition:


Comparative characteristics of technical fibers by chemical composition
flax hemp jute
cellulose 76-80 74-77 64-71
lignin 2-5 3,7-8 12,7
pectin 3 0,9 0,2
wax 2-3 0,6-0,8 0,3-0,4
water 8,5 10 10
the length of the filaments 13-30 15-25 2-3

Now decipher:
Technical fiber which is approximately equal to the length of the stem of the plant is of filaments bonded together pectin, wax, lignin. Lignin – a natural high polymer contained in the cells of the vascular plants. Refers to the encrusting substances of plant cell membranes. The deposition of lignin in the cell walls causes lignification of cells promotes the formation of water conveyance channels. Lignin is responsible for the stiffness of the fibers. He is not in a free state, therefore, can not stick together fiber insulation, “glue” he filaments that make up the technical fibers (between crowns sprinkling wood shavings, you do not glue them to the tree). In jute lignin more because it is necessary to connect more (per unit length) number of filaments. The presence of pectin and waxes determine the degree of flexibility, elastic fibers, prevent it from drying.

Knowing these parameters, one can easily understand the differences visible fibers: fiber flax more soft and supple, vysokopryadomoe, so make clothes from flax, linen, hemp fiber tougher (higher lignin content)


Humidity, relative humidity
fiber Relative humidity,%
40 60 90
flax 8,2 10 16,3
hemp 8,4 10,8 18,5
jute 9,7 12,6 22,7

Ie when changing air humidity of 50% flax absorbs – 8%. moisture
Insulation comes in rolls of various widths, so that we can always choose the one that corresponds to the diameter of the logs or timber width of your home.

Buy Tape mezhventsovogo insulation you can call: 095-47-44-176, 094-927-41-26, 044-362-71-26, or by writing to:  lnozavod.ua@gmail.com . We hope that the price and quality of Tape mezhventsovogo insulation  you completely satisfied. We will be glad to see you among our customers.


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  • Украинская льняная компания
  • межвенцовый утеплитель
  • Зерно
  • Пелли ЛТД