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Sound insulation

The physical event that occurs in the air pressure fluctuations caused by a vibrating source that stimulates hearing in the human ear is called “sound.. Human ear 20 Hz to 20,000 Hz. sounds. In order for sound to be heard, its intensity needs to reach a certain level. Human voices are 250-500-1000-2000 Hz. frequencies. If this sound wave is located in a random spectrum, or in other words an unwanted sound, it is called “noise.. Noise, which has very negative effects on human health and comfort, is a very important phenomenon which has physiological effects such as increased blood pressure in body activity, involuntary contractions of muscles, psychological effects such as irritability and decrease in work efficiency, as well as hearing damage.

NOISE CONTROL
Noise control, which is the most effective way to combat noise, includes the measures to be taken to minimize the harmful effects of noise on human beings. Noise control methods are divided into acoustic regulation and sound insulation:

1. Acoustic Regulation:
Acoustic Regulation; is the regulation of the reverberation time in the current indoor environment. Materials such as glass wool, stone wool, soft polyurethane based foams, melamine foam, wood wool are used in detail solutions.

Sound absorption coefficient according to frequencies (Hz.)
125 250 500 1000 2000 4000
Mineral Wool (glass wool and rock wool) (50 mm thickness) 0.1 0.6 0.9 1 1 0.95
Polyurethane soft foam (50 mm thickness) 0.08 0.27 0.7 1.07 1.05 1.04
Melamine foam (50 mm thickness) 0.15 0.27 0.63 0.91 1.03 1.06
Wood Wool 0.50 0.80 0.90 0.90 0.90 0.90

Acoustic Material Sound Absorption Coefficients

When sound is propagated in an environment, it encounters an obstacle and behaves in three basic ways like other physical events. Some part of the sound is reflected from the obstacle it encounters, some part is swallowed by the obstacle, and the rest passes to the other side of the obstacle. Therefore, each material has a sound absorption coefficient (α).

2. Sound Insulation:
In parallel with the developing technology, noise problems may arise with the lightening of the building elements. For this reason, knowing the behavior of the structural elements against the sound rays can prevent the subsequent occurrence of expensive and difficult to compensate situations. The measures taken to reduce the amounts of these sounds transmitted through the building elements are called ilen Sound Insulation..
The transmission and propagation of sound in building elements occurs in two ways:

1. Transmission of air-born sound from one location to another
2. Propagation of the pulse sound as air-born sound in the receiving space, or as a sound-born sound by transporting it to distant places via structure
Particularly for noise sensitive buildings such as houses, schools, hospitals, sound transmission loss values ​​of building elements should be within certain limits. The most accurate in terms of building acoustics is the noise control during the architectural design stage. Some measures that can be taken by taking into consideration the functions of the spaces and the noise sources affecting these spaces are as follows:

• Structure Location
- To build the structures as far away as possible so that the structure is not affected by traffic noise on motorways and the noise of railway and airline vehicles.
- To create natural hills, trees or artificial clusters between the noise source and the selected settlements.
- Avoid building shapes that will cause reflection. (U-shaped, courtyard type)
- Taking into account the current wind and temperature changes.

• Sound insulation of partition elements within the structure
- Increase the density of building elements.
- Double layer wall application.
- To apply double glass and laminated glass in glass areas.
- Use thick, heavy and gapless doors. Take precautions if not available.
- Preventing sound leakage through ventilation ducts, pipes and spaces around the walls.
- Floating floor applications against impact sound (neoprene, polyethylene, rockwool flooring details), flexible fixing suspended ceiling.

MATERIALS USED IN IMPACT SOUND INSULATION:
• Mineral wool
• Polyethylene
• Rubber Foam
• Wood Wool
• Polyurethane

Floating Flooring Detail

VIBRATION INSULATION

Permeability: The amount of vibration transmitted from the vibration sensors to the structure
Yield: The amount of vibration that is prevented by the vibration receivers

Permeability = 100% - Yield

Sample:
Permeability = 20%
20% = 100% - Yield
The yield should be 80%.

Effective sound insulation; it can be possible by using the right materials in the right details in the structures of which the purpose is determined and with flawless workmanship.

Polyethylene and Neoprene Flooring Detail

Sound insulation in 10 questions

1- What is sound insulation?

unwanted and evoked uncomfort feeling sounds are called noise. Sound insulation; These are the applications made with the aim of protecting the environment from the harmful effects of noise by isolating the living environment from unwanted sounds, reducing the noise emitted from noisy areas and creating suitable usage conditions in places such as cinema and recording studio.

2- Why should we be protected from noise?

Noise has many psychological and physiological damages on human beings. Noise is the most important cause of stress that causes diseases. These diseases can be summarized as follows: Irritability, difficulty in perception, decrease in work efficiency, insomnia, circulatory system disorders, abnormalities in various body secretions, permanent hearing loss, premature birth and miscarriage in pregnant women.

3- What happens if we do not have sound insulation and we are not protected from noise?

Noise causes many health problems. Even if human beings are accustomed to noise over time, their harm will continue to increase. Moreover, hearing loss due to noise is not treated with medication or surgical intervention. Permanent hearing loss (deafness) occurs especially in long-term exposure to high noise. In addition, the productivity of the employees in industrial facilities such as the factory decreases and occupational accidents occur as a result of their distraction.

4- Where should sound insulation be made?

Sound insulation;

- In areas that need to be protected from the harmful effects of noise (houses, schools, hospitals, dormitories, hotels, work places, etc.)

- In areas where the noise they emit to the environment should be prevented (generator, booster, heater, entertainment places with high sound level, etc.)

- Usage conditions in sound dependent areas (cinema, theater, concert and conference hall, TV and sound recording studio etc.)

It should be done.

5- How is sound insulation done?

Sound insulation should be considered when planning the structure. In addition, when determining the elements such as walls, floors, ceilings, glass and woodwork, materials with high sound insulation should be used. By using sound insulation material, the passage of lower and upper floor sounds is prevented by passing through neighboring walls.

6- What are the benefits of sound insulation for the country?

Noise constitutes an important problem as a dimension of environmental pollution in our age and causes many health problems whose cause cannot be determined at the first time. Sound insulation and noise control, healthy and peaceful individuals, a clean environment, attention and work efficiency by increasing the prevention of accidents is of great importance for both our country and our people.

7- What is the volume, how is it expressed?

Sound intensity, sound energy to unit area per unit time

The amount is. The magnitude is expressed in dB (decibels). Here are some examples of sound levels:

Sound Source and Location Sound Pressure Level dB (A)

Aircraft at take-off (within 25 m) 140dB (A)
Road excavation (at a distance of 7 m) 90dB (A)
Alarm clock bell (at a distance of 1 m) 80dB (A)
Inside the car traveling at 50 km / h 70dB (A)
Normal talk (at a distance of 1 m) 50dB (A)
Quiet bedrooms (should have) 35dB (A)

8- What should we pay attention to to reduce the harmful effects of noise?

First of all, we should create soundproof environments and be careful not to be in the high noise level for a long time.

Noise Exposure Time (hrs / day) Maximum Noise Level dB (A)

80 7.5
4 90
2 95
1100
0.5 (30 minutes) 105
0.25 (15 minutes) 110
1/8 (7.5 minutes) 115

9- Where to apply for sound insulation?

For information on sound insulation, you can contact İZODER (Thermal Water, Sound and Fire Insulators Association) by calling 0800 211 33 67, by calling 0212 274 46 24 or by e-mail to info@izoder.org.tr.

When you call İZODER, you will be offered solutions to your problem. When you decide to have insulation application, İZODER members contact you and request an appointment. After your building is inspected free of charge, an offer is prepared for the cost of the application. It remains to choose the appropriate ones from you İZODER members.

10- How can I reach publications where I can get information about insulation?

You can reach the technical information about the insulation through the İZOLASYON DÜNYASI magazine which is published every 2 months by İZODER and İZODER's official website www.izoder.org.tr. You can subscribe to the magazine by calling İZODER or filling the form on the web page. ISOLATION WORLD magazine will be delivered to the address you specify.

RIGHT KNOWN ERRORS

WRONG: We feel the noise of the neighboring apartment in our house, but there is nothing to do.

CORRECT: You can prevent the noise of your neighbor by applying sound insulation between two apartments.

FALSE: Sound insulation can be made with products made of polystyrene foam.

CORRECT: Closed porous polystyrene materials are heat insulation materials. They are not sound-absorbing materials. Open pore materials (such as mineral wool, very low density polyurethane) are used for sound insulation. Closed porous materials, such as polyethylene foam, can be used under screed and parquet to cut the vibration in the impact sound.

WRONG: Triple insulation glasses provide better sound insulation.

TRUE: The noise control performance of the triple insulating glass units is not better than that of the double insulating units. Practical way of sound insulation; to increase the thickness of the glass and the use of specially prepared insulating glass units. In double insulating glass units, the choice of different glass thicknesses or the laminating of one of the glasses contributes to noise control. It is possible to use specially developed acoustic laminated glasses for better noise insulation as a single panel or in the insulating glass unit. The thickness and combination of glass should be selected according to the type and intensity of the noise.

FALSE: No sound insulation can be provided between floors.

CORRECT: Sound insulation to the floor is reduced by reducing the passage of air noise (speech, music, etc.) and impact sound (footstep, item drag sound, etc.) between the floors.

WRONG: If I live in the city center I will never have a quiet house.

CORRECT: With the measures that can be taken, you can have a house that is substantially free of neighboring and environmental noise.

FALSE: I can apply sound insulation on my own or through familiar craftsmen.

CORRECT: Your building must be inspected by experts and sound insulation applications for the solution of your problem should be done by insulation companies that have knowledge about it. You can reach these companies through İZODER.


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Reusable Silicone Ear Plugs - ANBOW Waterproof Noise Reduction Earplugs for Sleeping, Swimming, Snoring, Concerts, 32dB Highest NRR, 3 Pairs with Bonus Travel Pouch

What is Sound Insulation?

In parallel with the developing technology, noise problems may arise with the lightening of the building elements. For this reason, knowing the behavior of the structural elements against the sound rays can prevent the subsequent occurrence of expensive and difficult to compensate situations. The measures taken to reduce the amounts of these sounds transmitted through the building elements are called ilen Sound Insulation..
unwanted and evoked uncomfort feeling sounds are called noise. Sound insulation; These are the applications made with the aim of protecting the environment from the harmful effects of noise by isolating the living environment from unwanted sounds, reducing the noise emitted from noisy areas and creating suitable usage conditions in places such as cinema and recording studio.

What happens if we do not have sound insulation?
Noise causes many health problems. Even if human beings are accustomed to noise over time, their harm will continue to increase. Moreover, hearing loss due to noise is not treated with medication or surgical intervention. Permanent hearing loss (deafness) occurs especially in long-term exposure to high noise. In addition, the productivity of the employees in industrial facilities such as the factory decreases and occupational accidents occur as a result of their distraction.

Where should sound insulation be made?
Sound insulation;
• In areas that need to be protected from the harmful effects of noise (houses, schools, hospitals, dormitories, hotels, work places, etc.)
• In areas where the noise they emit to the environment should be prevented (generator, booster, heater, entertainment places with high sound level, etc.)
• The condition of use should be made in sound-dependent areas (cinema, theater, concert and conference hall, TV and sound recording studio etc.).

How is sound insulation done?
Sound insulation should be considered when planning the structure. In addition, when determining the elements such as walls, floors, ceilings, glass and woodwork, materials with high sound insulation should be used. By using sound insulation material, the passage of lower and upper floor sounds is prevented by passing through neighboring walls.

For insulation of partition elements in the structure
• To increase the density of building elements.
• Double layer wall application.
• To apply double glass and laminated glass in glass areas.
• Use thick, heavy and gapless doors. Take precautions if not available.
• Preventing sound leakage through ventilation ducts, pipes and gaps that pass through walls.
• Floating flooring applications against impact sound (neoprene, polyethylene, rockwool flooring details), flexible fixing suspended ceiling should be applied ...


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Radio Room Sound Insulation

Professional work in radio rooms occurs only through sound insulation. The sound quality is improved if sound insulation is made. Radio is a professional field of activity broadcasting live. For this reason, we make sound insulation and acoustic arrangements in order to prevent problems such as echo and to prevent external sounds during broadcasting.

In radio rooms, the quantity should be determined first. Once determined, the environment is explored by our technical team and work is carried out to solve the acoustic problem in the environment. After the necessary work is done, how much material should be used and how much amount of the price will be answered. After the materials are determined, acoustic sound insulation installation of the environment starts.

You can use spongepan, barrier spongepan and acoustic sponge with barrier for sound insulation in radio rooms. You can use special vibration-absorbing rubber sheet and cork rubber for floor.

You can use decorative acoustic sponges, fireproof acoustic sponges, colored techno touch sponges, baffles, floating ceiling, fabric covered panel, diffuser, basotect sponge, acoustic carpet for acoustic arrangements.

Sales of sound insulation materials are also available in our Izmir-Bornova branch. We sell both application and material. You can call us for more information: 0232 373 25 35


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Construction Noise Danger Bells Ring!

Nerve disorder, fear, uneasiness, fatigue and slowing down in mental effects… These are not signs of a disease, just a few of the effects of noise on human health, and in Europe there are 10,000 deaths per year for these reasons. increasing construction noise will adversely affect the health of the population with the urban transformation in Turkey.

In order to draw attention to the negative impact of noise on human health and raise awareness on this issue, Wednesday, which coincides with the last week of April, has been announced as the “International Noise Awareness” day since 1996 with the initiative of the Hearing and Communication Center (CHC). The aim is to make the public aware of the negative impact of loud sound on human health and comfort, with the exception of being “deaf işitme and indifferent to hearing loss. Many events will be organized on the “International Noise Awareness” day, which will be held on April 26th this year, and the importance of the issue will be highlighted.

With the urban transformation, metropolitan cities, especially Istanbul, became construction sites. To the right of the houses to be built on the left of the house will be affected by the noise too much, as the biggest difficulty in urban transformation. Next to our house, on the next street, at the bottom of our workplace, even the road between the house-work is always construction. With the spring months, construction works will accelerate and this will bring intense noise.

One of the most important problems related to noise is the construction noise, given the fact that urban transformation will last for many years. Before the sound reaches us in case of noise, it is basically more effective and economical to prevent it at its source. This can be implemented with encouraging, compelling rules and regulations.

Effects of loud sound on human health

İZODER held for the first time last year by experts on the issues of noise impacts on human health in Soundproofing Summit in Turkey told depth. Emphasizing that noise is a problem affecting everyone without exception, Psychologist İrem Erdem Atak said, en The most obvious effects of noise are discomfort, distress and tension. Nervous disturbance due to noise, fear, anxiety, fatigue and slowing of mental effects are recognized as important symptoms. Suddenly rising noise levels can also create fear in people. Moreover, the noise can impair sleep quality. Difficulty falling asleep, waking up during sleep, getting up too early and feeling insomnia in general are important effects. In addition, noise is a condition that affects everyday performance. In general, communication difficulties may occur. Noise can also impair performance in reading and learning. Activities and learning that require attention, force memory, especially language and listening-speaking are adversely affected. Noise that plays a role in disrupting word memory; it creates difficulties in the functioning of intellectual activities. On the other hand, it negatively affects problem solving skills. Noise can also reduce work efficiency. Studies on the effects of work efficiency and productivity have shown that the complex environment should be quiet and the simple environment should be somewhat noisy. In situations where there is more noise than it should be in the working life, it is difficult to do the work on time and to do the job correctly; occupational accidents are happening çek.

There is legal regulation

According to Article 23 of Environmental Law No. 2872, Regulation on Assessment of Environmental Noise, rules for noise level and noise prevention from construction sites to the environment have been determined. An item stating the hour interval with this weight, on the other hand, complaints about the conditions worked and disturbed outside the specified hours can be made to the Provincial Directorates of Environment and Urbanization and the Municipalities. Alo 181 Environment and Urbanism line, which transmits environmental complaints such as air, water, soil, waste pollution as well as noise complaints, can be made.

Those who do not comply with the noise level and noise rules spread to the environment from construction sites are fined in certain amounts as per the Environmental Law. The amount of this penalty, which was determined as 12 thousand TL in the law, was 24 thousand 546 TL for the year 2016. On the Ministry's website, the following information is provided about the course of complaints: esinde In the evaluation of any complaints submitted to the competent unit; 1. A preliminary elimination process is carried out to determine whether the complaint is to be handled under the Regulation on Assessment and Management of Environmental Noise. (Ex: Neighbor noise is outside the scope of the regulation is not carried out by the competent unit within this framework.) whether there is a violation. ”

Dams, roads, bridges, tunnels, such as the public interest in the construction activities can be done at night. However, this is decided by the Provincial Local Environmental Board and if necessary, this board can change the working hours considering the complaints.

Working on Sound Insulation Regulation

Undersecretary of the Ministry of Environment and Urbanization Dr. Mustafa Öztürk said, ık We have started a series of studies on how to reduce noise pollution in buildings. We need to prepare plans and guidance documents on this subject and raise public awareness about the negative effects of noise on the citizen. We need to develop systems where we create the right projecting, right materials, right labor and right financing models. Regarding noise pollution, we will try to build livable, quality buildings by putting people in the center with the Ministry and related stakeholders. We will soon publish the final version of the draft regulation at the end of the negotiations. The regulation should also be applicable. Insulation is an important factor that provides economic benefit to improve the quality of life of the society and the individual. We are conducting projects supported by the EU to minimize the noise pollution caused by transportation. ”

IZODER Vice Chairman Ertugrul Sen said that they found the draft Yönetmelik Regulation on the Protection of Buildings from Noise and Sound Insulation ğı prepared by the Ministry of Environment and Urbanization very important. According to the new regulation, all buildings under construction and existing are introduced with noise criteria to protect the physical and mental health of people. ”

Traffic noise in Europe

The main source of noise in Turkey, while construction and traffic, noise occurs in Europe iseçevresel with the most traffic noise.

Sound specialist Birgit Rasmussen, a senior research fellow at the Danish Building Research Institute at SBi, Aalborg University in Copenhagen, says that noise causes serious health problems, from discontent, discomfort and sleep splits to blood pressure, cholesterol and heart disease. Birgit Rasmussen stated that some of them had an indirect effect. While traffic noise has a direct impact on human health, the effects of neighboring noise are more difficult to detect. ”

Rasmussen summarizes the effects of noise in Europe with the following striking results:

There are 125 million people exposed to L> 55 dB sound pressure levels.
20 million adults are uncomfortable.
8 million people suffer from sleep disorders.
And in Europe there are 10,000 deaths per year for this reason.
There are more than 900 thousand hypertension cases and 43 thousand people are applying for hospitalization.
When these data are considered, traffic noise emerges as a public health problem. Accordingly, in Europe, the Environmental Noise Regulation (END 2002/49) introduces strategic noise maps and action plans that are repeated every five years with a focus on public information and consultation. Research on neighboring noise from three countries (Germany, the UK and the Netherlands) shows that neighboring noise significantly deteriorates the quality of life of nearly 50 million people.

As a result of another general survey conducted in 28 countries in Europe, noise is a problem that negatively affects the comfort of life by 19 percent. Birgit Rasmussen said, isten The presence of sounds, the inability to hear unwanted sounds and the activities that can be carried out without disturbing other people can be created by providing the appropriate environment. It focuses on air, impact-induced sound insulation, noise from traffic or external sources, noise from building equipment and devices, and ringing time (reverberation or reflection time). ”


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WHAT IS SOUND INSULATION?

SOUND INSULATION
We generally call noise that we don't want to hear or disturb us.
Sound Insulation is an application made with the aim of isolating the place in which we are in unwanted sounds, avoiding the disturbance caused by noise, reducing the sound emitted from the noise source and creating suitable sound conditions in cinema, sound recording studios, entertainment venues and similar places.

NOISE PROTECTION
Noise, one of the most important sources of stress, has psychological and physical detrimental effects on people.
The main problems that can be encountered when the noise is avoided are as follows:
Frayed temper,
Difficulty in perception,
decrease in productivity,
insomnia,
disorders of the circulatory system,
hearing loss in the ears.

WHAT HAPPENS IF WE DO NOT DO SOUND INSULATION?
There will be some detrimental effects on continuous exposure to noise in daily life.
Particularly, permanent hearing loss due to noise cannot be treated by medical intervention.
In addition, working under excessive noise in factories and similar work places may cause loss of work efficiency.

WHERE MUST SOUND INSULATION?
- In areas that need to be protected from the harmful effects of noise (houses, schools, hospitals, dormitories, hotels, work places, etc.)
- In areas where the noise they emit to the environment should be prevented (generator, booster, heater, entertainment places with high sound level, etc.)
- The condition of use should be made in sound-dependent areas (cinema, theater, concert and conference hall, TV and sound recording studio etc.).


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What is Sound Insulation?

What is Sound Insulation? | Sound Insulation How?
The physical event that occurs when a source that creates a vibration is dispersed in the air is called sound. Soundproofing prevents noise from the use of low-noise or high-noise materials. It is important for everyone to use wherever necessary to make life easier for people. It is absolutely necessary to use sound insulation in social areas. Nowadays, noise insulation materials that prevent noise are produced with advanced technology.

Sound insulation is the type of insulation made to minimize the negative effects of sound. The purpose of sound insulation is to control the propagation of sound in the environment. When sound is propagated in an environment, it behaves like any other physical event when there is an obstacle. So part of the sound is reflected back by multiplying. One part is swallowed by the obstacle located in front. A part of the obstacle in front of the other side passes. Therefore, each material has a sound absorption potential. The materials with the highest sound absorption potential are used for sound insulation.

Where is sound insulation done?
Sound insulation is preferred in work environments such as hospitals, schools and residences where the noise is intense, such as the factory.

Entertainment places, central heating, booster, generator, boat engines and so on. For example; movie theaters, concert halls, theater halls, conference halls, sound recording studios and so on.

Sound Insulation How?
Sound insulation applications are among the applications made to effect the spread of sound complexes. It is recommended to use sound proof materials or materials that provide less sound transmission when soundproofing. In extremely noisy environments, the use of insulating materials prevents noise, which means effective sound insulation. You can provide sound interruption in many areas with sound insulation materials that prevent direct sound transmission without spreading the sound waves.
Sound insulation applications, including the measures taken to minimize harmful effects on human beings, are basically known. A more peaceful environment can be achieved with sound insulation applications that provide an effective solution in sound transmission. In areas where urbanization is unplanned, noise has a negative impact on human health and comfort. Traffic sounds, heavy noise in the residential area around the airport, seller sounds, speeches from neighbors can be perceived by people as different doses of noise.
In some areas, low sound level is one of the requirements of the job. Radio broadcasting and music studios need to be low in volume, to create a quiet and peaceful environment for patients in a hospital, the outside of the school building is a problem that needs to be solved.


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What is Sound Insulation?

In parallel with the developing technology, noise problems may arise with the lightening of the structural elements. For this reason, knowing the behavior of the structural elements against the sound rays can prevent them from staying in expensive and difficult to compensate situations. The measures taken to reduce the amount of these sounds transmitted through the structural elements are called “Sound Insulation..
Unwanted and evoked uncomfort feeling sounds are called noise. Sound insulation; are used to protect the environment from the harmful effects of noise by isolating the living environment from unwanted sounds, to reduce the noise emitted from noisy areas and to create suitable usage conditions in places such as cinema and recording studio.

What happens if we do not have sound insulation?
Noise causes many health problems. Even if people have been proving noise over time, their harm will continue to increase. Moreover, hearing loss due to noise is not treated with medication or surgical intervention. Permanent hearing loss (health) occurs, especially in long-term exposure to high noise. In addition, the productivity of the employees in industrial plants such as the factory decreases and occupational accidents occur as a result of their distraction.

Where should sound insulation be made?
Sound insulation;
• In areas that need to be protected from the harmful effects of noise (houses, schools, hospitals, dormitories, hotels, work places, etc.)
• In areas where the noise they emit to the environment should be prevented (generator, booster, heater, entertainment places with high sound level, etc.)
• It should be used in sound-dependent areas (cinema, theater, concert and conference hall, TV and sound recording studio, etc.).

How is sound insulation done?
Sound insulation must be considered when planning the structure. In addition, materials with high sound insulation should be used when determining the elements such as walls, floors, ceilings, glass and chopping. The use of sound insulation material prevents the passage of lower and upper floor sounds and the noise passing through neighboring walls.

For insulating partition elements in the structure
• To increase the density of the structural elements.
• Double wall application.
• To apply double glass and laminated glass in glass areas.
• Use thick, heavy and gapless doors. Take precautions if not available.
• Sound leakage through ventilation ducts, pipes and the spaces around

What are the benefits of sound insulation for the country?
Noise constitutes an important problem as a dimension of environmental pollution in our age and causes many health problems whose cause cannot be determined at first. Sound insulation works and noise control, healthy and peaceful individuals, a clean environment, attention and work efficiency by increasing the prevention of occupational accidents is of great importance for both our country and our people.


40AXX
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