Mineral wool Izover - features of application for thermal insulation

The ISOVER company (Izover) occupies a leading position in the world market in the production of insulation materials for any type of structure.

Izover slabs are considered the best insulation materials on the construction market. Most of the production volume of ISOVER insulation occurs abroad, but in Russia, insulation is also produced in the Moscow region, in the city of Yegoryevsk. A large plant producing heat and sound insulation, in addition, the plant is the only one that produces mineral wool based on quartz and basalt.

Application

Its use in construction also depends on the density of mineral wool:

• For horizontal surfaces of rooms, a density of 35 kg/m³ is better.
• For interior partitions, ceilings and internal floors, mineral wool with a parameter of 75 kg/m³ is used.
• For exterior finishing of the house - 125 kg/m³.
• When thermally insulating interfloor floors, I use mineral wool with a density of 150 kg/m³, and for load-bearing structures - 175 kg/m³.
• Insulation with a density of up to 200 kg/m³ is used under a concrete screed, for a foundation or roof.

Which is better, Isover or Rockwool?

These brands of insulation are direct competitors in the construction market, so consumers are interested in which material to choose. It is immediately necessary to clarify that both insulation materials have similar characteristics, however, they are produced using different technologies.

ISOVER is a mineral wool made from glass fiber, produced by a French company. ROCKWOOL is basalt wool produced in Poland. Considering that the second insulation is made on the basis of basalt rocks, the production technology completely eliminates the presence of glass. Therefore, Polish products are considered more environmentally friendly.

If we talk about which insulation is better, there is no clear answer: it all depends on the area of ​​application. In particular, “Izover” is better suited for insulating the floors of the first floors, non-residential roofs, balconies and loggias.

This is due to the fact that non-compliance with installation technology can lead to microscopic particles of glass floating in the air of residential premises, which can have a detrimental effect on health. “Rockwool” does not suffer from such a “disease”, therefore it is optimally suited for interfloor and internal wall partitions.

Do not forget that ISOVER is much cheaper, which for many is a decisive factor when choosing insulation.

Scope and properties

Isover thermal insulation can be purchased in rolls and in slabs. This is a non-flammable material with excellent properties. The company is not a monopolist in its segment. It competes with mineral insulation materials Ursa, Rockwool, Izovol, Knauf and Parok.

The company's material is perfect for insulating and soundproofing your home

Izover mineral wool is widely used for the following types of work:

1. Sound insulation and insulation of wall structures and roofs.
2. Arrangement of ventilated facades and multilayer partitions.
3. Installation of pipelines and other communications.

1. The industry uses one of the varieties of the brand - Isotec.

Is the density of thermal insulation materials important:

Main indicators:

1. Thermal conductivity is 0.041 W×m−1×K−1, which allows you to retain air without changing properties in different climatic zones.
2. Maximum sound protection is achieved due to the porous structure of the material.
3. Average density - 13 kg/m³. Depending on the type of insulation, it may vary slightly in one direction or another.
4. Fire safety is explained by the low previous indicator, which guarantees the absolute non-flammability of the product. Therefore, the use of Izover is permitted in commercial and residential premises, cottages and apartments in high-rise buildings. Foil plates are low flammable. The main condition will be full compliance with fire safety standards when laying the material and operating the structure.

Main indicators of Izover mineral wool:

1. The problem with modern insulation is the formation of condensation inside the layers. Fiberglass solutions have special water-repellent components. They help remove moisture and increase vapor permeability. For Izover it is 0.5-0.55 mg/mPa. When installing, it is recommended to leave a two-centimeter gap from the wall.
2. Depending on the type and conditions of use, mineral wool from Saint-Gobain can last from 50 to 100 years.
3. The absence of harmful emissions during operation guarantees the environmental purity of the insulation.
4. Low weight, the lowest in its segment, allows this building material to be used even in weak load-bearing structures.
5. The dimensions of the slabs and rolls allow the use of insulation with maximum rationality.

Advantages of Izover material:

Advantages and disadvantages

If we take into account all the properties of Izover thermal protection, we can derive several positive qualities when using it:

Excellent thermal insulation.

1. Tolerance of extreme temperatures.
2. Fire safety.
3. Resistance to mechanical stress and chemical influences.
4. Immunity to deformation.
5. Ease of peeling.
6. Tensile strength.
7. Waterproof.
8. High level of noise absorption.
9. The material is not subject to destruction by rodents and other animals.
10. Simple installation technique.

Pros and cons of isover insulation:

When working with Isover products, you must adhere to the following precautions:

1. Restrict access to the construction site during work.
2. Use film, plywood or gypsum fiber board as fencing.
3. Use personal protective equipment: overalls, goggles, respirators.

Preparation method

In order to achieve the required qualities, all required technological standards and processes must be observed during production. Make Izover this way:

1. A mixture of quartz sand, soda ash, limestone, glass waste and other minerals is prepared.
2. This composition melts at a temperature of about 1300 degrees. The result is a homogeneous plastic mass.
3. Next, it is fed into a bowl rotating at high speed with small holes in the walls. Through them it is squeezed out by long thin threads under the influence of centrifugal force.
4. Mixed with polymer yellow glue, a sticky substance is obtained, which enters the oven for rolling and drying.
5. The set layers are cut into the required formats with a circular saw.

Production of Izover insulation:

Manufacturing technology "Izover"

What is ISOVER? This is mineral wool-based insulation, which is available in rolls, slabs and soft mats. However, regardless of the shape, the products are manufactured using the same technology. The process looks like this:

• The raw material used is a mixture of quartz sand, limestone, soda ash, and microscopic glass particles.
• The components are mixed and heated to a temperature of 1,300 degrees . As a result of thermal exposure, solid components melt, turning into a viscous homogeneous mass.
• The resulting composition is loaded into a special installation (centrifuge), the bowl of which rotates at enormous speed. The walls of the working container have holes through which the molten substance is squeezed out, forming thin threads.
• Then the resulting glass fiber is mixed with adhesive based on polymer materials.
• The mixture is repeatedly subjected to heat treatment, simultaneously leveling the layers with steel shafts.

At the final stage of production, the insulation is cut into strips, following the specified dimensions.

Density of mineral wool thermal insulation

The density of mineral wool insulation largely determines its intended purpose and is one of its main performance characteristics. Its value is influenced by the thickness and number of fibers in the structure (the percentage of foreign impurities is usually not taken into account), as a result, the higher it is, the more expensive the building material is. The insulation is produced in the form of soft mats and hard slabs with a density from 11 to 400 kg/m3; the choice of a specific brand depends on the degree of load of the structures and the construction budget.

1. What parameters is density related to?
2. How to choose insulation for various structures?
3. Price of different brands

What does density affect?

For any insulation, the rule is true: the lighter it is, the better, but this cannot definitely be said about mineral wool. Its low thermal conductivity is indeed due to the presence of air between the threads, but when a certain minimum is reached, it ceases to retain heat. In practice, the density of mineral and basalt wool affects its weight and cost, and is also directly or indirectly related to other characteristics: thermal conductivity, noise absorption, load-bearing capacity and ease of installation.

1. Thermal insulation.

This insulation uses the properties of weightless air with a thermal conductivity coefficient of no higher than 0.026 W/m·K. Thanks to the combination of fibers with different directions, manufacturers managed to achieve a similar value of 0.036 for light and soft boards, 0.032 for semi-rigid boards and 0.04-0.046 for dense and cylindrical products (which is more than good for non-flammable insulation). But when a certain mass is reached, the fibers stop retaining air and thermal conductivity deteriorates. The worst protection is observed for loose insulation with a density of up to 30 kg/m3 with a disordered fiber direction - 0.05 W/m K.

2. Noise absorption.

Materials with low air permeability are good acoustic insulators. Therefore, dense and rigid slabs absorb sound in any case (even if this is not their main purpose). But they weigh a lot and are not always suitable for internal soundproofing of rooms; for this purpose it is better to buy specialized brands: glass wool with long and thin threads or basalt with randomly twisted fibers. Rockwool, Izover and other brands have such series; their insulation density is in the range of 45-60 kg/m3.

3. Load-bearing capacity.

Regardless of the design, overly lightweight materials are not used when installing in areas subject to high loads. This is due to the risk of deformation or creasing, low compressive and bending strength. In such cases, high-density insulation materials (at least 150 kg/m3) are clearly required. If there are supporting structures (frame, joists, reliable sheathing), the use of lightweight grades is allowed and encouraged; insulating abilities come to the fore.

4. Laying nuances.

There is a clear connection between density and ease of handling of the material. Lightweight soft insulation can be placed without problems in the inter-lag space of roofing systems (non-used surfaces) when laid from above, but installing them from the ceiling is a more than complicated process. The vertical placement of rolled grades is a little easier, but due to the risk of fibers sliding down, it is better to purchase compacted wall insulation. The most convenient option is considered to be semi-rigid slabs with slightly springy edges (up to 60 kg/m3) or high-density mineral wool.

What is Isover, release forms

The founder of the Isover brand is the international holding Saint-Gobain, whose roots were laid back in the 17th century. Currently, the corporation includes more than 100 manufacturing companies and research centers conducting research in the construction industry. The company appeared on the Russian market 20 years ago; currently, a plant for the production of insulation operates in Yegoryevsk, Moscow region. In 2011, the Saint-Gobain holding bought the Chelyabinsk Minervata plant, and it began producing insulation materials from rock basalt fibers.

Isover is produced by processing sand (quartz), glass cullet, and mountain minerals (basalt); after melting the raw materials in a high-temperature furnace, the mass is drawn into fibers using TEL technology to produce threads with a cross-section of 4 - 5 microns and 110 - 150 microns in length.

Hard fiberglass is placed in slabs, soft fiber is rolled into mats and rolls; products differ in thickness and dimensional dimensions, depending on the purpose and production technology.

The typical thickness of a single-layer or two-layer Izover is 50 - 100 - 150 mm, rolls are produced with a total area of ​​2 - 20 m2, their usual width is 1200 mm, length from 4000 to 12000 mm. The area of ​​one Isover slab does not exceed 1 m2, its overall dimensions are kept within the limits of 600x1200 mm, the number in a pack is from 2 to 14 pieces.

Places for insulation of a private house

Table 1

*λA or λB is taken into account depending on the city of construction (see table 2).

Types of facades Izover

Ordinary mineral wool is not suitable for insulating facades, as it is soft and easily deformed. The manufacturer has developed the Facade series specifically for external wall insulation. It does not require additional finishing from above: the ventilated façade is covered only with reinforcing mesh and decorative plaster.

Izover Facade has all quality certificates. It does not change the properties listed in the characteristics description due to fluctuations in temperature and humidity.

There are several types of Izover facade insulation for different purposes. Single-layer insulation is used mainly when repairing facades. During construction, two-layer insulation is used: the inner layer retains heat, and the outer one protects from the wind.

Ventilated facade Izover

Ventilated façade Izover consists of two layers of insulation, which significantly increases the thermal insulation properties. It consists of mineral wool and fiberglass. On one side, the slab is covered with fiberglass, so Izover Optima is not afraid of wind and mechanical influences. The slabs are fastened using the tongue-and-groove type, so there are no gaps at the joints. It is used both in private construction and in the construction of high-rise buildings.

Ventilated façade Izover bottom

This type of insulation is used to finish the interior walls of a house in combination with external insulation. Its main purpose is to fill joints. Due to the elasticity of the material, the appearance of air pockets in the walls is eliminated. Has good heat protection and sound insulation.

It is unacceptable to install the bottom layer of thermal insulation with a gap of more than 2 mm. This leads to the appearance of “cold bridges” and reduces the efficiency of the entire structure. Installation with a gap between the wall and the mineral wool slab is also not allowed.

Ventilated façade Izover up

This type of thermal insulation is used to insulate the external walls of houses in combination with internal insulation. It has a low thermal conductivity coefficient, which means it retains heat well in the house. Another advantage is good wind resistance, which allows you to use Izover Facade Top in different climatic zones.

Supplied in sheets of optimal size, which reduces installation time by half and the number of fasteners by 40%.

The top layer slabs must overlap the joints of the bottom insulation layer. Fastening is carried out with disc anchors. They provide a tight fit of the slab to the wall surface.

Where is Izover and its varieties used?

This material has several varieties. Each of them is designed to perform specific jobs. We list them below.

Isover KL34

Isover KL34 is available in slabs 5 or 10 centimeters thick. They are mounted tightly on the frame; there is no need to use additional fasteners. These slabs can be used to insulate a ventilated facade and masonry consisting of several layers. Any plane is suitable for insulation: vertical, horizontal, and those that are inclined.

Isover KL37

Isover KL37 is supplied in tightly compressed packaging. It also does not require additional fasteners during installation. This material is used to insulate floors between floors, walls, and roof slopes. In this case, a tight fit of the material to the surface is necessary.

Isover KT37

Isover KT37 is available in compressed rolls. It does not require fastening elements, but, like the previous material, it must adhere well to the insulated plane. It is used for thermal insulation of roofs, attics, floors between floors, walls and partitions indoors.

Isover KT40

Isover KT40 is a two-layer material (each layer is 5 centimeters thick), which is produced in the form of tight rolls. It is used without additional fasteners to insulate horizontally located surfaces - floors and ceilings. If the cavity to be filled with insulation is not deep enough, then the isover can be divided into two layers.

Isover STYROFOAM 300A

But a material such as Isover STYROFOAM 300A requires the mandatory use of fasteners. It is produced in the form of hard, rough slabs, the surface of which adheres well to concrete. The composition of this insulation includes extruded polystyrene foam, due to which insulated cells are formed.

This increases temperature resistance and moisture resistance. This heat insulator is suitable for use on both horizontal and vertical surfaces. They insulate external and internal walls, floors and flat roofs. You can apply plaster on top.

Isover VENTITERM

Isover VENTITERM is a universal insulation material. It is produced in the form of rigid slabs treated with a water repellent. The basis of this material is mineral wool, consisting of basalt fibers. They insulate (on one side) ventilated facades, as well as pipes for ventilation and water supply. It is also used to protect precision instruments from cold.

Isover pitched roof

Isover pitched roofing is an insulation material used for thermal insulation of the roof. Available in slabs 61 centimeters wide and 10 or 5 centimeters thick. It practically does not absorb moisture and also absorbs sounds well. High vapor permeability and non-flammability are two more useful properties of this material. It holds heat well, especially if you use two layers, the top of which covers the joints of the bottom

Important: during installation, the pitch of the rafter system must be such that the insulation boards do not fall through

Isover ventilated façade

Isover ventilated facade is no different from ordinary Isover. It is produced in a two-layer form, thanks to which it retains heat well. During installation, do not allow the insulation to lag behind the surface.

Isover sound protection

Isover sound protection is available in the form of mats and slabs. It is better able to protect the room from external sounds than other insulation materials. It is used to insulate suspended ceilings and internal partitions.

Briefly about the manufacturer

As mentioned above, ISOVER is a trademark of the industrial group. The company has a 350-year history , the central office is in Paris. The company has representative offices in 67 countries around the world . In addition to ISOVER, Saint-Gobain produces insulation products of the ISOROC and ISITEC brands.

On the territory of Russia, enterprises are located in Yegoryevsk and Chelyabinsk near Moscow. The products are manufactured using original technology, are subject to mandatory international certification, and comply with GOST standards. It should be noted that since 2013 , enterprises have launched a production line for the production of basalt wool under the brand of the same name.

Peculiarities

Izover insulation has some features:

1. The material has good thermal conductivity. If we consider the Isover product line, then the warmest one based on quartz is Isover “Warm Walls”, and among basalt insulation products – Isover “Master of Warm Walls”.
2. Soundproofing qualities. The dense weave of fibers prevents noise vibrations from penetrating through the thickness of mineral wool. The main obstacle to the penetration of sound is the air that fills the voids between the fibers.
3. Any Isover model is considered completely non-flammable. This feature allows the use of this thermal layer in rooms of any type.
4. Vapor permeability. This quality of mineral wool is at a low level. In rooms with high humidity, Isover insulation quickly becomes saturated with moisture, losing some of its thermal insulation qualities. To provide protection to the product, a vapor barrier is initially laid, after which the installation of mineral wool is allowed. The gap between the front trim and the outer layer of insulation provides additional protection.
5. Durable. Having installed Izover insulation once, you can forget about re-installation for 50 years or more. The material owes this feature to its structure.
6. Environmentally friendly. Scientists have repeatedly conducted studies to identify side effects on human health from insulation, but so far no such effects have been found.

Do-it-yourself installation of Izover mineral wool

The manufacturer has a wide range of products for thermal insulation of various structures. Thermal insulation material should be selected based on its characteristics (mainly density) and the manufacturer’s recommendations. Mats with a low density are better suited for horizontal surfaces; for thermal insulation of walls it is better to buy slabs with a higher density.

Laying mineral thermal insulation in two layers will help eliminate the appearance of cold bridges and cracks in the structure.

Do not forget about high-quality vapor-waterproofing of the thermal insulation layer, since mineral wool can absorb moisture, thereby losing its thermal insulation characteristics. Before laying isover glass wool, waterproofing should be laid on the structure; you can use ordinary polyethylene film for this. The top of the mineral wool should be covered with a superdiffusion membrane.

Using wool of different densities for insulation

The choice of insulation according to the indicator under consideration depends on the place of its use. It is not always necessary to overpay in order to get the desired result. Most often, the facade, walls, roof and floor are insulated. These are the options that are worth considering.

Facade

When selecting insulation for a facade, you need to pay attention to the mass and density of mineral wool. For most buildings, weighting is very undesirable. It is also worth paying attention to the possibility of subsequent finishing, because this indicator is also influenced by

So:

It is also worth paying attention to the possibility of subsequent finishing, because this indicator also affects this. So:

• If the facade is equipped with a ventilated one, then a sufficient density is 45-100 kg m³. Here the cotton wool is laid into the sheathing and there will be virtually no stress. The main tasks for this type are to maintain its shape and not sag under its own weight, and the indicated indicator is enough for this.
• If the facade is to be plastered over insulation, then the density should be above 100 kg m³, optimally from 145 to 165. This will allow the use of any types of plaster mixtures, including bark beetle, barenkom and even mosaics. Since this mineral wool will have to withstand heavy loads during installation, it must be securely fastened; for this, a system with dowels is used in combination with adhesive fastening.

Wall insulation

In this case, the selection is made based on ease of installation, that is, the density should be at least 30-45 kg m³. In this case, you need to insulate from the inside; MDF boards or drywall should be screwed onto the material on top. In order to mount such mineral wool, you need a lathing; rolls or sheets are placed in it.

Roof

Since roof insulation work is carried out at heights, the main criteria when selecting mineral wool are light weight and ease of use. Material with a density of 30-35 kg m³ can be pleased with these qualities. Its sound and heat insulation properties will be excellent, and at the same time light weight. Installation can be carried out using two methods:

• Using a construction stapler.
• In the lathing with a vapor barrier closure.

In both the first and second cases, it is necessary to cover the insulation with finishing material on top.

The selection of mineral wool in this case depends on the type of floor finishing. So, if these are sheet materials, for example solid boards, laminate, etc., then a density of more than 30-45 kg m³ is not needed. After all, there will be no pressure on the cotton wool; it is placed between the lags.

But now manufacturers offer material with an indicator of 200-220 kg m³; such wool can be mounted on the base and filled with cement screed on top. Of course, the price of such material is quite high, but the ease of handling is the greatest possible.

Isover insulation of walls

insulate the external walls of a building from the facade side.
But in some cases this is not possible, for example, if it is an architectural monument. To insulate the inside of a building, the following conditions must be met:

• perform insulation from environmentally friendly and non-combustible materials;
• prevent the formation of condensation between the insulation and the outer wall.

Installation of insulation is carried out in the following order:

1. make a frame from wood or profiles for installing drywall;
2. lay the isomer slabs, ensuring a tight fit to the wall and to the frame. This can be achieved if the sheathing is done in increments of 1 cm less than the width of the isover.
3. install a vapor barrier film with an overlap, and tape the joints with a special vapor barrier tape;
4. cover with plasterboard.

Insulating walls from outside under sheathing:

1. install the sheathing in increments of 1 cm less than the width of the slab;
2. lay insulation;
3. install a block that provides an air gap;
4. installation of a waterproof and windproof membrane;
5. installation of external finishing (lining, siding).

Isover glass wool: types and technical characteristics

Izover is produced in rolls, mats and slabs, which differ in their dimensions.

Glass wool is made from residues from the glass industry, or less commonly from the basic raw materials used to produce glass. There are some restrictions that narrow the scope of use of Izover glass wool insulation. The technical characteristics of the material exclude operation in a damp environment without additional protection. This insulation absorbs moisture very strongly and dries poorly. Moreover, when the material gets wet, it ceases to perform the functions of thermal insulation. Therefore, you need to use special films that prevent moisture from penetrating into the Izover insulation. Reviews clearly confirm the failure of the material without steam and waterproofing.

Glass wool is available in:

• rolls;
• matah;
• slabs

What's the difference between them? Rolls are soft rectangular pieces of insulation, which differ from mats in their length (they are longer). Mats are also wrapped in rolls, but they are shorter and somewhat denser. Usually two mats are wound in one roll. The slabs are denser, they do not roll into rolls and are sold in rectangular packages. Various materials are used for interior and exterior work. Izover mineral wool insulation - characteristics common to all positions:

• thermal conductivity coefficient – ​​ranging from 0.037 to 0.044 W/m*C;
• flammability group - NG, that is, does not burn;
• moisture absorption is high.

Let's take a closer look at Isover insulation. The technical characteristics of each type differ quite a bit, mainly dimensions and density.

Mats

Pro - used indoors and outdoors, a universal material that is popular. Thickness 50, 100 and 150 mm. Classic – thickness 50 mm, 2 mats wound in a roll. It is used for insulation of floors, roofs along joists, and ceilings along lathing. M37 frame - thickness options 40, 50, 60, 100 and 150 mm. It is used to fill the space between walls when insulating frame houses. Frame M34 – thickness 50 mm, less dense than M37. Frame M40AL – foil insulation with a thickness of 50, 100 and 150 mm.

Plates

Isover mineral wool can be with foil, which protects it from moisture.

Mineral wool Isover Classic Plate – thickness 50 and 100 mm, used for insulating vertical structures indoors and outdoors. Pitched Roofing – used for thermal insulation of a pitched roof and attic between the joists; it is installed without additional fixation.

Sound protection - available in thicknesses of 50, 70, 75 and 100 mm, laid on horizontal and vertical surfaces indoors. Frame P32 – wide choice of thickness (50, 60, 65 and 100 mm), width 610 mm. It is used for laying in the cavities of the walls of frame houses. Frame P37 – possible thickness options: 50, 100 and 150 mm. Two width options – 565 and 610 mm.

Plaster facade – used for external insulation of walls using wet facade technology. Ventilated facade (top) – only 30 mm thick, used as the top layer for two-layer insulation of walls from the outside using ventilated facade technology. Ventilated facade (bottom) – thickness 50 and 100 mm, used as the bottom layer of insulation in two-layer ventilated facades. Ventilated facade Optima - has the lowest thermal conductivity coefficient, which is 0.032 W/m*C. OL-P – fits under the screed. OL-PE and OL-TOP - for insulating flat roofs as the bottom and top layers, respectively.

Sound insulation based on Izover

The use of isover in walls , floors and ceilings prevents noise from entering neighboring rooms.
The air gap between the fiberglass provides the sound-absorbing properties of the material. With an isover layer thickness of 50 mm, the airborne noise level decreases by 45 dB. To soundproof floors, the technology used is “floating floors”. Rolled isover is used for installation of floating floors. This material can also be used for sound insulation in the construction of suspended ceilings.

For sound insulation in walls and partitions, a structure made of a metal frame filled with isover slabs and covered with plasterboard is used.

Isover is also used for sound insulation of metal air ducts, mufflers of aerodynamic noise produced by fans and ventilation systems. Isover material provides noise absorption in the mid-frequency range. Isover is also used in cinema and concert halls as sound-absorbing panels.

Scope of application and characteristics of thermal insulation materials Izover

Insulation of a frame house

A qualitative reduction in heat loss involves insulating all enclosing structures of a building or part of it, including internal, external, horizontal, inclined and vertical surfaces. The capabilities of this insulation are not limited to any one direction.

In addition to its main function, this material does a good job of soundproofing and insulating the pipeline. Izover mineral wool is optimal for thermal insulation of wooden, frame, monolithic or block houses. Resistance to open flame and high temperature determines its use even in bathhouses or boiler rooms.

Roll insulation

Isover roll insulation has unique technical characteristics:

• thermal conductivity coefficient – ​​0.040;
• non-flammable, environmentally friendly;
• the basis of the composition is quartz threads;
• the length of a roll consisting of two mats is 10-11 m;
• width (standard) – 120 cm;
• mat thickness – 50 mm.

Isover is resistant to fire

Advantages of “stone” wool:

• fire resistance;
• resistance to temperature changes;
• low conductivity of heat and sound;
• simplicity, speed of installation;
• elasticity;
• availability.

Flaws:

• lack of resistance to moisture;
• spread of glass dust;
• lack of rigidity.

Pros and cons of insulation that you should remember

Like any building material, ISOVER has its advantages and disadvantages. By the way, the advantages of insulation are noticeably greater, which largely determines its steadily growing popularity.

Strengths include :

• Wide range of products.
• Easy to store and transport.
• Non-flammability.
• Long service life - up to 50 years .
• Resistance to temperature changes.
• Reliable heat and sound insulation.
• Minimum weight.
• No shrinkage.
• Easy installation.

The obvious disadvantages are:

• Lack of environmental safety.
• Dependence on external factors: perfectly absorbs moisture.

Some builders consider the soft structure of the insulation to be a disadvantage, which somewhat limits its scope of application.

Isover (Egoryevsk, Chelyabinsk)

More than 20 years ago, the French concern Saint Gobain officially opened the Russian building materials market. Over the past 10 years, the company's management has abandoned the import of mineral wool to Russia and opened its own production of products under the Isover brand in the Moscow region. Today, there are two full-cycle production sites in the Russian Federation - in Yegoryevsk and Chelyabinsk.

Isover mineral wool is suitable for ventilated facades and under plaster; for pitched and flat roofs; into internal partitions and doors. The materials are developed in accordance with the operational features and installation specifics for each specified case. The company's catalog presents four main groups:

• Isover warm – thermal insulation;
• Isover quiet - Shumka;
• Isover professional – universal insulation;
• Isover for a house/apartment - mineral wool with a compromise combination of cost and performance.

The list offers 24 insulating material options.

All plate, roll and blown-in wool versions are packaged in heat-shrinkable polyethylene. This makes it possible to reduce the volume of insulation ready for shipment by 3-5 times (relevant for more efficient transportation).

The positive aspects of Isover are the variety of options. Can be made to your size. Among the existing advantages, the ease of use when filling hard-to-reach areas with blow-in cotton wool stands out.

The downside is the need to use highly specialized equipment (true only for the blown-in version of mineral wool).
Main characteristics of Isover

Video instructions from Isover on weaving structures:

https://youtube.com/watch?v=TMLhlO86hf0

Varieties

The ISOVER insulation line includes several items. Each type of produced material has its own characteristics, which determines the scope of application. In particular, the following categories of insulation can be found on the market:

• Pro.
• Classic.
• Classic stove.
• Sauna.
• Optimal.
• Extra.
• Sloping form.
• Ventilated façade.
• Plaster facade.
• Floating floor.
• Soundproofing.

Basic characteristics can be found out from the markings indicated on the packaging. It looks like this:

1. OL-E . The only material in the series that is used for outdoor use. The material has high density and non-porous structure.
2. KL . Soft slabs designed for insulation of internal partitions and ventilated facades.
3. A.L. _ Insulation with this marking has a layer of aluminum foil on the surface that serves as a vapor barrier.
4. KT . This is a roll insulation used to insulate large areas.

Knowing these features, you can easily select insulation to solve specific construction problems.

Thickness of Izover wool

If you cannot decide on the thickness of mineral wool, pay attention to Izover products. It is offered for sale in several varieties, which are classified into slabs and mats

For example, for thermal insulation of frame structures, you can use “Kakas-P32”, P34, P37 P40, P40-AL, “Sound Protection” and “Floating Floor”, as well as “Pitched Roof”.

As for the P32 slab, it is represented by a material whose thickness varies from 40 to 150 mm. P34, P37 have a more impressive thickness. Plates of this material are limited to parameters from 40 to 200 mm. But mats P40, P40-AL have a smaller thickness variation - 50-200 mm. To soundproof ceilings, partitions and walls from the inside, you can use Izover Sound Protection; its thickness remains the same as in the above-mentioned case.

For a floating floor, slabs are used, their thickness is equal to the limit from 20 to 50 mm. For pitched roofs, you can purchase insulation whose thickness is 50 and 200 mm. The thickness of OL-E mineral wool, which is used to insulate walls under plaster, is in the range from 50 to 170 mm. The slabs that are used to construct a plaster facade can have a thickness from 50 to 200 mm.

In general, Izover is a fairly common brand of thermal insulation materials. These insulation materials have excellent characteristics, among them the following should be highlighted:

• high level of sound insulation;
• low thermal conductivity;
• environmental safety.

As for the thickness, it can vary depending on the purpose and type.

What you need to know when choosing insulation

Thermal conductivity coefficient (λ)

When choosing thermal insulation products, firstly, you need to pay special attention to such an indicator as the thermal conductivity coefficient - λ (lambda) . The lower the lambda value, the better the house can be insulated, due to the fact that the thermal conductivity value reflects how much heat passes through the insulation per unit of time.

The thermal conductivity coefficient is measured as W/(m*K) . (watt per meter per kelvin)

Types of thermal conductivity coefficient (λ)

Dry lambdas (set by the manufacturer at the factory): • λ10 - thermal conductivity coefficient, fixed at 10°C. An indicator declared by the manufacturer.

Wet lambdas (set by the manufacturer at different degrees of humidity): • λA and λB - thermal conductivity coefficients for different operating conditions (according to SP 50.13330.2012). Measurements are carried out by licensed laboratories at material humidity of 2% and 5%. The coefficient is used for thermal calculations in construction.

Choose insulation based on its thermal conductivity value, because the lower the coefficient, the more effectively the house will be insulated. For example, if the thermal conductivity value is 0.036, this will be enough for 50 mm of thermal protection to replace 95 cm of brick

Which insulation to choose: in slabs or rolls?

All ISOVER products have high elasticity, which means that the material holds tightly and stably without the use of additional fasteners. Both rolls and slabs are used in different designs. The shape is determined depending on the room.

Insulation in rolls

• Convenience when insulating large surface areas, ease of installation due to the fact that one roll can insulate a large area of ​​the house.
• When used, fewer joints appear, and therefore, air flow throughput decreases.
• Low material consumption.
• Suitable for non-standard rafter spacing, easy to cut to the required width.
• They are fixed by surprise without the use of additional fasteners.

Insulation in slabs

• Recommended for insulating small rooms.
• Suitable for one person use.
• They are fixed by surprise without the use of additional fasteners.

Advantages and disadvantages

Among the advantages of building materials, the following factors are worth noting:

1. High-quality thermal insulation. Izover is used in particular for facade insulation, which allows significant savings on heating a house in the winter.
2. Resistance to extreme temperatures.
3. Fire safety. Mineral wool does not burn, so it is used for insulating multi-story buildings, where the spread of fire would have very serious consequences, as well as for roofs and attic floors, the structure of which consists of wooden elements.
4. Resistance to mechanical and chemical influences.
5. Tensile strength and no compressive deformation.
6. Excellent sound insulation allows the products to be used in plasterboard partitions.
7. Resistance to the negative effects of rodents.
8. Easy to install.

These technical characteristics of Izover insulation speak in favor of its use in a variety of areas of construction.
However, this material has its drawbacks. During installation, it is necessary to use a full set of personal protective equipment: goggles, gloves, a respirator, long-sleeved clothing that completely covers the body.

Even if it is very hot outside, you cannot neglect the above remedies, because the fibers cause irritation and itching when they come into contact with the skin.

If the insulation is moistened by 1%, its thermal insulation properties deteriorate by 10%. Therefore, when using the material on the roof and attic, it is necessary to carry out waterproofing work, because getting wet will lead to a loss of thermal insulation properties. And when installing slabs on the facade of a building, it must be immediately covered with mesh or plastered to avoid moisture due to precipitation.

The lineup

Like any building material, isover insulation is available on the market in several types. Each of them is designed for specific building structures:

Isover product line

• “Sound protection” is intended for finishing partitions and walls.
• For frame construction, insulation of the “ Framework ” model is used.
• “Profi” is used for insulating attics and pitched roofs. This is high quality insulation. Profi is offered on the market in rolls of thickness 50, 100 and 150 mm.
• The classic is widely used. He can insulate floors, joists, attic floors and other complex objects. Although Classic is a roll material, it can be used to cover huge areas at a time. Usually two layers of 50 mm are laid in a roll. So you can safely divide it or use it as is.
• Classic Plus . This heat insulator is used to insulate the external and internal surfaces of walls. Has high thermal insulation characteristics. A magnificent example.

Important . Many models are classified as “interchangeable”. That is, one is freely replaced by another. In this regard, Pro and Classic Plus are universal insulation materials.

The sound protection model has increasingly become used in rooms where there is a need to reduce the penetration of noise from the outside. Sound protection is two in one. Therefore, for those who no longer want to hear their neighbors’ steps overhead, it is recommended to install Izover Sound Protection under suspended or suspended ceiling structures.

Fiberglass construction wool from a Finnish manufacturer is today a leader in the “thermal insulation” category. Excellent quality characteristics plus an affordable price for the mass consumer. This is enough to achieve the excellent qualities of a 100% insulated house.

Mineral wool insulation Isover (Izover) Venti 100

• Length(mm):1200mm
• Width(mm):600mm
• Density (kg/m3):82 kg/m3
• Packed area: 2.16 m2

792 RUR

Mineral wool insulation Isover (Izover) Venti 150

• Length(mm):1200mm
• Width(mm):600mm
• Density (kg/m3):82 kg/m3
• Packed area: 1.44 m2

775 RUR

Mineral wool insulation Isover (Izover) Light 100

• Length(mm):1200mm
• Width(mm):600mm
• Density (kg/m3):38 kg/m3
• Packed area: 2.88 m2

563 RUR

Mineral wool insulation Isover (Izover) Optimal 100

• Length(mm):1200mm
• Width(mm):600mm
• Density (kg/m3):34 kg/m3
• Packed area: 2.88 m2

117 RUR

Mineral wool insulation Isover (Izover) Optimal 50

• Length(mm):1200mm
• Width(mm):600mm
• Density (kg/m3):34 kg/m3
• Packed area: 5.76 m2

363 RUR

Mineral wool insulation Isover (Izover) Venti 30

• Length(mm):1200mm
• Width(mm):600mm
• Density (kg/m3):103 kg/m3
• Packed area: 5.76 m2

692 RUR

Mineral wool insulation Isover (Izover) Venti 50

• Length(mm):1200mm
• Width(mm):600mm
• Density (kg/m3):85 kg/m3
• Packed area: 4.32 m2

792 RUR

Mineral wool insulation Isover (Izover) Light 50

• Length(mm):1200mm
• Width(mm):600mm
• Density (kg/m3):38 kg/m3
• Packed area: 5.76 m2

563 RUR

Mineral wool insulation Isover (Izover) Facade 100

• Length(mm):1200mm
• Width(mm):600mm
• Density (kg/m3):145 kg/m3
• Packed area: 1.44 m2

854 RUR

Against the backdrop of many proposals for new insulating materials, mineral wool “Isover plaster facade” and other types of “Isover” remain recognized classics. Fiberglass is processed using a special patented technology to produce insulating materials with strictly specified properties. If high adhesion to adhesives is required for external wall insulation, we recommend using “Isover façade”.

In addition to chemical resistance to plaster mixtures, this type of material has a zero ignition rate. According to the area of ​​application, Izover is divided into the following types:

1. For light thermal insulation;
2. For general building insulation;
3. For special purposes;
4. Lightweight insulation.

Almost weightless Izover mineral wool slabs eliminate the load on the base. The slabs are used in the reconstruction and construction of residential buildings and industrial facilities. This is a well-proven insulation of floors, roofs, walls, attics, and ceilings between floors. The slabs are available in optimal sizes. Thanks to this, 20% less time is spent on installation. Our company’s specialists will tell you what is best for you to buy - “Isover Facade” or other products of this brand.

General building insulation.

Izover fiberglass rolls are mounted without fastenings and fit tightly to the base. They have proven themselves to be excellent for thermal insulation of partitions, walls, floors and more. You can buy Izover stone wool with aluminum film for vapor barrier.

In the production of mineral wool of this class, particularly enhanced moisture resistance and fire safety properties are imparted. Insulation is widely used for arranging pitched roofs of houses, insulating floors, insulating water pipes and ventilation pipes. To protect against external airborne noise, “Isover sound protection” is used. The level of protection is confirmed by acoustic tests.

Safety

The safety of stone wool for health is evidenced by its natural origin , production method and the conclusion based on the results of product testing and audit of the enterprise . It is no coincidence that professional builders use mineral insulation in the construction or reconstruction of even children's, medical and sports institutions . ISOVER stone wool creates a comfortable temperature in the building of the Federal Center for Cardiovascular Surgery (Chelyabinsk), in an emergency hospital (Kazan), in many kindergartens in Moscow, St. Petersburg and other Russian cities. This material is chosen when it is important to use a safe product with a positive experience of use, the quality of which can be trusted. Fire safety Mineral wool belongs to the group of non-combustible materials. Therefore, it does not burn, does not spread fire and does not emit harmful substances not only when in contact with an open fire, but also simply when heated.

Environmentally friendly and harmless

Fiberglass materials of this type are absolutely harmless to human health and life. During their operation, no harmful substances are released. Finnish scientists have been checking this fact for half a century. No danger was detected - this verdict was repeatedly made by specialists from the Institute of Cancer Problems.

Rules for working with stone wool

Manufacturers of stone wool recommend installing stone wool in accordance with the rules for working with any building material, i.e. wearing gloves and a respirator.

Insulation weight

If we compare Izover with other heat insulators in terms of weight, it will turn out to be much lighter than the others. Therefore, in those buildings whose walls are made of not very durable materials or excessive load is unacceptable, the use of Izover will be an excellent way out.

Advantages of Izover thermal protection

Practicality

Due to its shape retention, the material does not change during installation

Firmly attached to the frame or wall, preventing the penetration of cold

Due to its elastic properties, no additional fasteners are required for installation

Thrift

Saving utility costs up to 70%

Does not require much space for transportation as the material compresses well

Safety

Vapor permeability allows the insulation to “breathe”

There is no dust when working with insulation

When heated, it does not evaporate toxic substances

Eco-friendly, does not harm the environment and human health

Fire resistant material

Main characteristics of heat insulators of the Izover brand

The raw materials for the manufacture of the heat insulator in question are high-quality fiberglass and other materials with low thermal conductivity. It is manufactured using a special technology protected by a patent, so the technical characteristics of Izover insulation are much higher than those of other known materials.

Glass fiber is the basis of most insulation products from the Isover brand.

Therefore, we can safely say that this thermal insulation material is best suited for solving various problems that arise during the construction process. I will substantiate my statement below.

Feature 1 – Heat-retaining properties

The main parameter by which, in my opinion, you need to choose insulation is the thermal conductivity coefficient. The thermal conductivity of Izover insulation is 0.041 Watt / (meter Kelvin). For comparison, the same figure for reinforced concrete is 1.69 Watt / (Kelvin meter). This means that a 14-centimeter layer of Isover has the same thermal insulation properties as a 6-meter reinforced concrete wall.

Comparison of thermal conductivity of various materials. Number 3 indicates Izover, number 12 indicates monolithic reinforced concrete.

This is not an outstanding parameter, since, for example, polystyrene foam protects rooms from the cold even more effectively. But Izover has a number of other performance qualities that make it very popular.

Thermal conductivity is the main indicator of the effectiveness of the thermal insulation material used.

In addition, the heat-retaining properties of the insulation in question depend little on external conditions. By performing the correct installation, you will provide yourself and your loved ones with heat for a long time, while saving a lot of money on paying for coolants.

Low thermal conductivity is ensured by the large amount of air that is located between the glass fibers that make up the basis of Izover.

Feature 2 – Soundproofing properties

To achieve maximum comfort in a room, it is necessary that it is not only warm, but also quiet. The engineers who created the thermal insulation material took care of this.

The glass fibers of the insulation are arranged in such a way as to retain and refract sound waves coming from external sound sources.

An equally important parameter influencing the choice of a heat insulator is its sound insulation properties.

In addition, the air layer itself, which retains thermal energy, isolates people in the rooms from extraneous noise.

To achieve maximum effect, specialists developing insulation have invented a special type of material. It can even be used to insulate recording studios.

I used Izover to insulate a separate house in the country where my daughter loves to live in the summer. She's into karaoke, so all the neighbors used to be forced to enjoy (or not enjoy) her loud singing. Now there is peace and tranquility in our area. And all this thanks to special glass wool.

Feature 3 – Fire properties

Thermal insulators produced under the Izover brand, which have a density not exceeding 30 kg per 1 m3, belong to the NG category (non-flammable). The technical characteristics of these types of insulation fully comply with GOST number 30224-94.

Without loading your head with technical details and numbers, I can say that the material can be used to furnish any residential buildings, not to mention auxiliary structures. Moreover, due to its non-flammability, the insulation is approved for use in high-rise buildings, where increased attention is paid to fire safety.

Izover glass wool belongs to the class of non-flammable or low-flammable building materials.

However, the line of insulation products includes rigid insulating mats, some of which are covered with special heat-reflecting aluminum foil or fiberglass. They belong to the category of low-flammability, that is, they are marked SG.

They can also be used in civil engineering, but at the same time observing the rules and restrictions set out in the SNiP document numbered 21-01-97.

Feature 4 – Vapor permeability

If you have ever dealt with the thermal insulation of premises (for example, insulating a chicken coop), then you know that poor moisture resistance is a big drawback of many common materials. That is, many insulators perform their intended functions perfectly only as long as they remain dry.

Moisture significantly reduces the effectiveness of thermal insulation, however, Izover quickly dries after moistening, restoring its properties.

As soon as moisture vapor gets inside the insulation (this does not necessarily require direct contact with water), the thermal conductivity coefficient increases and the material stops working correctly.

I cannot say that Izover is completely free from this shortcoming. But fiberglass is good because it quickly loses moisture, restoring its characteristics. It is for this purpose that when using material to construct facades, a gap is left through which ventilation occurs.

If you want to hear the numbers, I can say that the vapor permeability of the Izover material is 0.5 mg per mhPa. That is, 1% of moisture that gets inside reduces the thermal conductivity coefficient by 10%.

Feature 5 – Duration of operation

You don’t want all your insulation efforts to come to nothing a year after the completion of the work? Even if this year he copes with his tasks perfectly. After all, laying insulation, if you don’t already know, is a rather labor-intensive and tedious task. Especially for inexperienced builders.

Therefore, in order to spend next summer not at a construction site, but fishing by the lake, use Izover brand insulation. I have insulated many different walls of residential buildings and commercial buildings with it. And the insulation still continues to work effectively.

Isover is guaranteed to last more than 50 years, but I have not yet been able to test this in practice.

According to the documentation, the guaranteed service life of the material is 50 years. To be honest, I work less, so I haven’t been able to test it in practice yet.

The long service life of the insulation is due to the use of special additives that give the heat insulator hydrophobic and antiseptic properties. As a result, water does not accumulate in the insulating layer and insects with mold do not appear, which are the reason for the rapid failure of less advanced materials.

Feature 6 - Security

Working on construction sites and renovating apartments, I often came across ideal building materials in terms of performance properties, which, however, were unsafe for humans and the environment. Therefore, we had to refuse to install them.

As for the Izover insulation, I can’t even find anything to complain about. The material is based on glass threads, which in no way affect your health.

Izover thermal insulation is absolutely harmless to humans and the environment.

Moreover, after installation and during operation, the material does not emit chemical compounds hazardous to humans into the air. Moreover, regardless of the temperature and humidity of the surrounding air, as well as other unfavorable factors.

Finland, the birthplace of the insulation in question, pays increased attention to this issue. Izover products were examined by many independent experts and all of them recognized the material as absolutely safe.

Feature 7 - Weight

It would seem, what influence can the weight of the material have on the choice of insulation? After all, you can’t carry it around with you like a mobile phone. I installed it once on the walls or ceiling and forgot about it. But this is a fundamentally wrong approach.

Due to its light weight, thermal insulation of the Izover brand is convenient to use and does not place a large load on building structures.

Izover brand insulation weighs very little, which gives it several very important advantages:

• you save time and money on organizing the delivery of insulation to the construction site;
• the heat insulator does not put a load on the structural elements of the building, so there is no need to build a very massive foundation and thick interfloor ceilings;
• Light fittings can be used to secure the material.

What can I say, have you seen frame houses typical of American buildings (by the way, they are becoming increasingly popular here)? So, Izover is also used there, and the thin beams can withstand the load perfectly.

Feature 8 – Other Features

Of course, if you have to insulate a doghouse or chicken coop, then you don’t have to pay attention to such a trifle. But for me, it is very important in what form the heat insulator is produced. After all, you have to work with it a lot, so convenience and ergonomics come to the fore.

Isover is available in slabs, rolls and mats to make installation as easy as possible.

The Izover brand produces high-quality products in the following forms:

• rolls;
• mats;
• plates and so on.

The thickness of the material ranges from 5 to 10 cm. This is one layer. And there are also multi-layer products on sale, consisting of several 5-centimeter layers, which can be used to insulate houses being built at the North Pole (suddenly you go to a dacha there).

Other characteristics will be important only to particularly interested people, but to complete the picture I will give all the figures at my disposal.

Disadvantages of mineral wool

If we talk about the disadvantages of Izover mineral wool, it is worth noting the possible content of carcinogenic fractions and the harmfulness of glass dust to the respiratory system. But in order to prevent adverse effects on the body, it is enough to follow simple recommendations during the installation process:

1. During installation work, demarcate the residential area and the construction site.
2. Use film, plywood or drywall as a fence, which will be a good barrier to the spread of glass dust.
3. Prevent the formation of drafts from the installation work area into residential premises.
4. Use personal protective equipment - gloves, respirator, helmet, goggles.