Do-it-yourself car soundproofing. Instructions for soundproofing a car with your own hands

Modern automakers, trying to reduce the cost of standard and economy equipment, produce only minimal vibration and noise treatment, which is completely insufficient. Noise in the car significantly reduces the comfort of the trip, quickly tires both the driver and passengers. To remedy the situation, you can make a car noise insulation with your own hands, what materials are required for this, this article will tell.

Advantages and disadvantages of sound insulation

In addition to a significant reduction in the level of noise pollution in the passenger compartment, vehicle noise insulation provides the following additional benefits:

Improves the sound quality of the speaker system;
The thermal insulation properties of the car increase: it cools down more slowly in the cold and heats up more slowly in summer;
Additional anti-corrosion treatment is performed.

The glued soundproof covering of the luggage compartment of the car

It should be noted and negative sides noise insulation:

Vehicle weight can increase up to 50 kg;
If installed incorrectly or carelessly installed, additional creaking "crickets" may appear;
Over time, the door may sag;
Fuel consumption increases.

Important!

Where does the noise come from in the car?

Areas of extraneous noise penetration into the vehicle interior

Doors

Since the doors are practically not processed in production with materials for soundproofing cars, a significant amount of the total share of sounds penetrates through them. Therefore, noise insulation of doors is the minimum required level of additional finishing work. At the same time, it is advisable to install vibration dampers around the speakers, which will significantly improve the quality of their sound. For isolation it is recommended to use: bitoplast, hermetic, isotone, accent.

Wheel arches

Contrary to popular belief, the arches, as such, do not emit sounds, but are a source of vibrations, which are transmitted to other body elements that are sources of noise. What material to choose for soundproofing car arches, given their load? You can use vibration damping materials Vibroplast and Visomat.

Floor

The proximity to vibrating assemblies and the large area make this structural part a significant source of noise. It can be reliably insulated only with the help of multi-layer materials that damp both noise and vibration. When noise insulation of a car with your own hands is performed, what materials are required to process vibration sources - these are Shumoff or Bimast and Vibroplast as the first layer (base). It is recommended to use bitumen-based materials that provide additional anti-corrosion protection: Shumoff and materials based on it Mix and Mix F.

Ceiling

It is a source of sounds mainly on high speed, the oncoming air flow creates a hum even during rain. For isolation, vibration dampers and noise absorbers are used: Bitmast, Vibroton, etc.

Hood

Bonnet soundproofing with Bitmast Bomb

It is the source of much of the noise in the vehicle interior. When insulating it, it is recommended to use self-adhesive materials for complex purposes (they isolate both from noise and vibration). The main condition is high thermal insulation performance, the presence of a heat-reflecting foil layer.

Trunk

Is also important elementtreatment of which will significantly improve the sound of the speakers and reduce noise pollution in the cabin, especially in the passenger seats. What materials are required for soundproofing a car with your own hands, those that have good strength and resistance of the top layer to mechanical damage are suitable for the trunk: Shumoff M4 and Mix6, Visomit MP, bitmast suoer.

Review and characteristics of popular materials for car noise insulation

Noise insulation materials for cars can be roughly divided into several categories:

Soundproof;
Vibration isolation with noise dampening effect;
Noise insulation with thermal insulation effect;
Soundproofing with anti-corrosion effect;
Combined - combining several useful functions.

Noise insulation materials

Shumoff Garmeton is a material resembling foam rubber, but its sound insulation properties are 10 times stronger. Does not burn and does not absorb moisture well. Distinctive feature is a slow restoration of the original volume, within 45 minutes, which gives additional time during installation and ensures that the material completely fills the entire allotted space.

Garmeton A15 - in addition to the listed properties, this material has a relief surface, which allows additional dispersion of sounds.

Door covered with Garmeton A15

Shumoff Mix and MIX F are bituminous materials. They are analogous to factory materials used for soundproofing the floor, hood and trunk in premium cars. For fixing on the surface, the material must be heated to a temperature of 150 ° C. An ordinary building hair dryer is quite suitable for this. MIX F has a self-adhesive base covered with wax paper, which greatly simplifies the installation process.

The preliminary preparation of the surface is limited only by rough cleaning from dirt and dust. It withstands negative temperatures well, has a reinforcing layer that allows the material to stick to the surface even if part of the roll has come off. Re-sticking of loose parts by heating is allowed.

Car interior lining with Shumoff Mix F material

Shumoff M2, M3 - have an outer protective layer profiled from thick aluminum foil, which gives additional mechanical protection of the treated surface. Rubber-based adhesive layer resistant to aggressive environments. A highly filled polymer composition is used as a sound-damping material. The relief surface of the metal layer is retained after installation in at least 50% of the cells, which gives the entire structure additional spatial rigidity.

Door processing with sound-insulating material Shumoff M2

Soundproof materials

Vibroplast M1, M2 - consists of sound-absorbing polymer material and aluminum foil. M2 has an additional adhesive layer. Easy to install, keeps its shape well, is applied without heating to a degreased surface. Installation is recommended at a temperature of about 15 ° C. It is inert to aggressive chemical and biological substances, imparts additional corrosion resistance to the treated areas of the body.

Recommended areas of application: body, doors, car roof. It dampens noise and vibration by converting mechanical energy into heat. The vibrational energy of vibrations is converted into heat from the friction of the foil and the viscoelastic base layer.

Bitoplast 5, 10 - has the popular name "antiskrip" is used to damp vibrations in dashboard, torpedo, steering column, etc. Outwardly, it resembles very dense foam rubber, does not absorb moisture, burns only under the influence of an open flame, while emitting a rather pungent smoke with black soot.

Shumoff M4 - used to damp vibrations and reduce noise levels Applications: wheel arches, bulkhead engine compartment.

Combined materials

Shumoff P4 - in addition to sound insulation, it has good thermal insulation capabilities. Consists of two layers, between which there is an air gap. It has high elasticity and water-resistant adhesive base.

Comfort 3 - used as noise, sound, waterproofing. The material resembles foam rubber, does not creak or degrade at low temperatures. With prolonged compression and friction, it does not lose its original shape.

Video review of some materials for noise insulation:

Arrangement of car noise insulation is a set of measures, the purpose of which is to filter out sounds coming from the outside, such as noise from engine operation, rustling of wheels (especially studded ones) on the asphalt, wind whistling, etc.

Depending on the result to be achieved, the body is insulated completely or partially. Standard noise insulation is installed at the factory during the manufacture of the car.

However, its quality does not always meet the requirements of consumers. And this is true not only for russian cars, but also for foreign cars. Therefore, to ensure silence in the cabin, many car owners install additional soundproofing elements.

You can do this on your own or by contacting a car repair shop. Silence in the cabin improves driver comfort and prevents loss of sound quality from the installed speaker system. In addition, the materials used usually have the additional ability to absorb vibration and retain heat.

Some car owners mistakenly view sound insulation as a way to get rid of the noises made by a faulty engine or transmission.

In fact, its functions include filtering only natural noise.

Materials

The materials used for car sound insulation can be conditionally divided into the following categories:

sound insulators (the working layer consists of foamed rubber or polyethylene foam);
vibration dampers (with a rubber-based working layer);
heat insulators.

Many modern materials combine the characteristics of all the listed groups.

Types of materials for car noise insulation

On the one hand, they are covered with a foil coating to protect them from water and mechanical damage, on the other - a self-adhesive base, which allows them to be laid in a "cold" or "hot" (under heating) method.

Sound insulation materials are sold in three versions:

sheets of a certain size and thickness;
kits for arranging a specific car model;
universal kits.

Application schemes

In Russia, domestic products from such manufacturers as STP (Ivanovo), SGM (Yaroslavl), and Shumoff (Kazan) are most popular.

For the insulation of each body element, materials are selected in accordance with their characteristics:

bitoplast (material thickness - 10 mm) - used for processing curved body surfaces; sheet area - 0.75 sq.m., average cost - 320 rubles;
isotone-10 (thickness - 10 mm) - used in engine compartment; sheet area - 0.75 sq.m., average cost - 300 rubles;
BB tone (thickness - 4 or 8 mm) - used to insulate the floor, arches, tunnel, trunk, roof, engine compartment from inside the passenger compartment; leaf area - 0.75 sq.m., average cost - 280-350 rubles.

Also for noise isolation, "Visomat", "Splen", "Accent", "Vibroplast" and other materials can be used. The cost differs depending on the manufacturer and characteristics.

A set of materials for processing the entire car will cost about $ 200.

Tools

To complete the work, you will need to acquire the following set of tools:

ruler;
square;
a set of screwdrivers and wrenches;
scissors and awl;
mount;
square;
hairdryer (ordinary household one will do).

Sequencing

Using this video as an example, they will show you how to install noise insulation in a car with your own hands. Everything is very simple!

As an example, consider the arrangement of soundproofing the body of the VAZ-2114. But you can also use this manual, as a guide for other cars, be it Lada Kalina or Priora, no difference. First of all, it is necessary to remove from the interior anything that could interfere with the installation of the material: upholstery, removable panels, seats, floor covering, door handles, etc.

You can also dismantle the torpedo, but it is not recommended to do this in the absence of the appropriate skills. The question of removing the standard vibration isolation should be decided based on the results of an assessment of its condition.

The entire surface on which new sheets will be pecked should be degreased (for example, with alcohol), removing, if necessary, the remnants of the anti-corrosion coating from the places of gluing.

After that, the vibration isolator is laid. For the processing of the roof, pillars, doors and trunk lid, sheets up to 15 mm thick are usually used. The interior and luggage compartment floor and arches are insulated with up to 25 mm thick material.

The car body freed from unnecessary elements is glued with a vibration isolator in all accessible places.

Diagram of the use of materials for noise insulation

Sheets are stacked end-to-end or overlapped (15-20 mm). After gluing, they must be rolled out with a hard roller (for example, for wallpaper). Some materials intended for "hot" gluing must be preheated with a household hairdryer.

Now you can start gluing the noise isolator. It is usually made from bitumen-based impregnated polyurethane foam. Visually, it resembles black foam rubber and can have different names.

It is glued over the vibration isolator. A feature of the noise insulation of hatchbacks, to which the VAZ-2114 belongs, is that the luggage compartment must be processed as carefully as the interior, since they, in fact, are a single whole.

When installing both layers, it is necessary to ensure that the technological holes are not sealed. After the sheets of the noise isolator are glued, it is necessary to assemble the cabin in the reverse order.

If elevated level interior noise caused by a malfunction individual nodes vehicle (for example, engine or chassis), it is recommended to repair them first. As a result, the need for arranging noise insulation may disappear;
You should not spend money on complete sound insulation in cases where partial enough.
It is advisable to involve an assistant to carry out the work.
It is advisable to glue the heated and softened material as quickly as possible in order to ensure a tighter fit.
In order to save money, it is recommended to use a universal material that has vibration-insulating, sound-insulating and heat-saving qualities;
Before gluing the first layer of insulating material, carefully inspect the metal of the body for corrosion.

Installation of insulation allows you to get rid of squeaks and vibration, as well as extraneous noise in the cabin. The material translates sounds into a low-frequency range that is not perceived by human hearing.

As a result, the comfort of passengers is significantly increased, the sound quality of the acoustic system is improved, and the air temperature in the cabin begins to depend less on the environment.

Car operation is inseparably linked with the generation of noise, which does not have the best effect on the state of the human body.

What is needed for self-anti-noise treatment?

Noise isolation is carried out in stages. Taking care of only one part of the car cannot achieve excellent performance, but it is easy to improve skill. It is better to start work with anti-noise door treatment, moving on to the trunk, hood, roof and floor.

What tools are worth preparing:

a stitching roller is a simple device, but a useful one, which allows you to roll the material used with high quality;
building hair dryer - indispensable for products, the installation of which must be accompanied by heating;
scissors are required for cutting, giving the parts an optimal shape;
degreasers, solvent for processing, cleaning the working surface of metal;
knife, screwdriver (may come in handy).

In order to make high-quality soundproofing of the car with your own hands, the materials must be selected correctly. STP products are attracted by the best characteristics, Shumoff has also proven itself well. You can select other options, having previously studied the properties.

Most common materialsSTP:

Vibroplast (Silver, Gold) - a group of new products that differ in thickness and weight. These are flexible, resilient, vibration-absorbing sheets with a self-adhesive base, coated with aluminum foil. Highlighted resistance to moisture, anti-corrosion performance, ease of installation.
BiMast is another series used for vibration isolation. There are 3 types with different efficiency. Warming up is required for styling. Multilayer construction, including bituminous, rubber composition.
Splen is an excellent sound and heat insulator. May vary in thickness. There is an adhesive base, it takes the desired shape well.
Accent - used for sound absorption, has an open-cell structure.
Madeleine - represents a group of gasket materials, is a sealant. The fabric is used as a base.

Soundproofing car doors

Car doors are most often subjected to soundproofing. Even after a minimal set of works, there is a reduction in noise, penetration extraneous sounds from the outside.

By choosing standard and maximum insulation levels, impressive results can be achieved. The main thing is to think over step by step how to make sound insulation in the car correctly. The process starts with removing the skin.

The minimum amount of work involves:

Bonding vibration-absorbing sheets on the inside of the door in the area where the speakers are located. The Vibroplast series is suitable. The thickness is selected depending on the characteristics of the metal. The larger the volume of the treated surface, the better. Stiffeners are not affected, the need is taken into account good work cables and rods.
The next layer should be soundproofing, Accent is suitable. Used to prevent the penetration of extraneous noise, it is also suitable for dispersing sound from speakers. It is glued to vibration isolation, keeping a distance of 3-4 cm from the drainage holes.
Inner part sheathing requires no less careful study. The joints are processed with hot glue or sealant. The places most prone to noise generation are covered with a vibration absorber. Finally, a cushioning material is applied.

At each step, it is important to consider the weight of the raw materials used. Excessive weighting is fraught with sagging of the part and the need to install new hinges. For rear doors, simpler, thinner products can be used.

Work in the luggage compartment

When removing the skin, it is recommended to inspect the gaps between the removable trim and the body. If the distance is sufficient, soundproofing can be glued. If the performance is insufficient, this should not be done, since the sheathing will not snap into place.

Insulating the wheel arches is the first step. Used BiMast (Bomb) of the greatest thickness. When applying vibration isolation, it is not recommended to leave gaps between the joints.
The floor, the area where the muffler resonator is located, the spare wheel niche, the wings - everything is carefully covered with vibration isolation.
The accent providing sound absorption is applied in the next layer. The elements are trimmed if necessary. If a solid layer interferes with the sheathing device, it is trimmed.
The final layer is soundproof, applied only to the sound-absorbing base, thermal insulation.

Working with the trunk lid

The process takes a minimum of time - vibration isolation is applied between the stiffeners, and after that, a sound-insulating product. Special attention is paid to the design if a subwoofer is to be installed. Do not glue the holes provided for ventilation, which also applies to the trunk itself.

Subtleties of noise insulation of the hood

The soundproofing of the hood is carried out in a similar way. Vibroplast is placed first, then Accent. The product is characterized by thermal insulation properties, resistance to high temperatures, which is important for the engine compartment.

Anti-noise treatment of ceiling space

Thinking about whether it is worth making a car soundproofing, you need to pay attention to the results that an integrated approach gives. In such a situation, roof noise treatment will be useful.

It has a large area, and the material used in production is thin metal. Accordingly, there should be standard insulation. It is left or removed if it does not hold well. During operation, it may be necessary to increase the panel stiffness, depending on the area. The procedure begins with dismantling the trim.

Vibration absorbers are placed first. If reinforcement of the structure is required to prevent resonance, a profile made of perforated steel is used. It is important to bypass the stiffening ribs so that later the finish fits into place.
Accent or Splan provide sound absorption. The first product also features good thermal insulation.
Madeleine or Bitoplast is laid in the last layer before sheathing. The second option is preferable, since it is distinguished by a sticky base, moisture resistance, and durability.

How to perform floor soundproofing?

To work with the floor, the area of \u200b\u200bthe engine compartment, it is necessary to dismantle the trim, chairs, carpet. Correct performance of work allows you to achieve the best performance, minimizing noise from traffic on the road surface, impact of stones on the bottom. The base metal of the car is pre-cleaned and degreased.

The first step involves pasting metal surfaces that were covered with a factory carpet. This is the area under the dashboard, the feet of the driver, passengers. Attention is paid to the area of \u200b\u200bthe engine compartment, arches. Better to use BiMast Bomb (the thickest vibration isolation). To avoid voids, the details are trimmed. The laying process requires warming up.
The area of \u200b\u200bthe engine compartment and arches requires additional use of sound insulation Barrier, Splen. Since vibration isolation alone does not cope with the load.
Accent is the next layer used to completely cover the work plane.
Laying the soundproofing membrane is the final stage.

When performing this procedure, it is important to ensure that the maximum metal surface area is covered.

Additional insulation for wheel arches

Sound insulation of the floor, ceiling, doors, bonnet and trunk is included in a comprehensive approach. Thinking over how to properly insulate a car, it is worth paying attention to the wheel arches. Their noise insulation will provide increased protection, comfort.

The process of working with wheel arches involves:

Dismantling the wheel arch liners, thorough cleaning of the parts and the inside of the arch.
Laying of the Vibroplast product using the Gold series.
Additional anti-gravel treatment is recommended.

Lockers soundproofing:

It is necessary to stick Vibroplast (Silver is suitable) on the back of the element.
Bitoplast will be required to eliminate squeaks and vibrations.

With the correct implementation of such procedures, the noise levels in the cabin are reduced. You will not hear the impact of stones while driving. The level of comfort will increase, which is important for the driver and passengers.

A noise-intensive car trip is exhausting for the driver and also impairs driving quality and driving safety. While driving, the driver has to deal not only with the road factor, he is distracted by external noise from the car itself and from external sources. A car in its essence is a direct reproducer of sound waves, the range of which is very wide.

Sources of noise

According to its physical properties, noise is divided into airborne and structural noise. Accordingly, air spreads through the air, while structural dissipates in solid metals.

Car example structure-borne noise occurs in the following situations: when the running engine sends vibration (through the fasteners), body parts, depending on the vibration intensity, emit a more or less loud sound. In addition, structure-borne noise can appear in the car during vibration in the suspension. power unit, in the exhaust system, chassis and transmission.

Often, on uneven roads, the suspension elements create vibration that causes the entire body to shake, which can generate intense noise. The exhaust system (resonator, muffler, pipes) can irritate the underside of the car, which can add some noise to the overall sound background. The contact of the wheel with the road surface also creates some sound streams that contribute to the quality of the noise level.

Airborne noise, in turn, bursts into the car interior, through the holes and gaps of the body elements, such as the radiator grille, technological gaps, doorways. The thickness of the body panels and glass directly affects the sound insulation of the car. The strength of aerodynamic noise directly depends on the quality of the design of the exhaust system, transmission, engine, door and glass seals, as well as the structure of the tires (tread pattern and wheel diameter).

Noise control techniques

Motorists divide noise control methods into two types.

Constructive.
Passive.

Constructive problem solving method, implies high-quality adjustment of transmission units and power units. If you make a high-quality selection of elastic elements and gaskets for the suspension, chassis, power unit, exhaust system and transmission; stiffen the body by soldering cracks and holes; make door openings, windshield, windows with progressive materials.

Only after a reliable and constructive adjustment of the elements of the car, you should proceed to the passive method of soundproofing a car with your own hands... Every auto mechanic will tell you to deal with loose body mountings and interior elements first. Next, replace the secant spacers exhaust system, and then just carry out direct noise insulation or, as automobile experts like to say, "decorate" the car.

The use of a passive noise isolation method involves several stages:

Application of vibration and sound absorbing materials for body sealing.
Use of soundproofing materials for soundproofing doors and windows.
Use of protective noise reduction housings.

Using such a method is considered the last degree of creation of a silent car, even when all constructional methods and correction possibilities have been exhausted. It should be mentioned that the effectiveness of the use of noise insulation materials largely depends on the noise level of the car before the start of the adjustments. The quieter the car was before the procedures, the better results you will achieve.

If you have used all the structural capabilities of your car, but the noise remains, then the time has come to insulate the car. If you purchase good materials, enlist accuracy and patience, then you can easily carry out the procedure yourself in your garage. If you strictly follow the instructions and do everything consistently, there is nothing complicated about it.

Most car enthusiasts are familiar with the process of sound propagation and noise insulation during the installation of a high-quality audio system... Indeed, without good noise isolation, high-quality speaker installation is impossible. The process of soundproofing and eliminating extraneous sounds, as a rule, begins with soundproofing the doors. If your budget is slightly limited, do your own budget soundproofing of the car, that is, adjusting the car in parts, in this order:

Tools and materials

Before starting the adjustment process, please purchase necessary tools and materials. From the tools at hand you will need:

Roller (for a snug fit of the material).
Building hair dryer (cosmetic hair dryer is not suitable for drying hair).
A solvent (for example, white spirit is required to degrease materials and surfaces).
Shears for cutting material.

In a construction or automotive special store, you should purchase noise, vibration, thermal insulation mixtures and materials.

Vibroplast Silver... It is a material for noise insulation, a self-adhesive material that consists of an embossed foil (aluminum) and a polymer adhesive layer protected by a polymer anti-adhesive tape. The sheet of material has a marking (squares 5 × 5 cm), which helps to easily cut the material.

Vibroplast does not absorb water, and is also not subject to decomposition by external irritants. Possesses hermetic and anti-corrosion properties. The tape does not require heating and can be easily applied to surfaces with different reliefs. The mechanical loss factor is 0.26-0.30 conv. units with a weight of 3.5 kg / m2. Thickness 2.5 mm. Vibroplast Silver is used to suppress noise from the body, roof, doors, cabin floor, hood, fenders, trunk lid and engine bulkhead.

Bimast Bomb... A vibration-absorbing material with a multilayer structure, which consists of a bituminous film, front aluminum foil, mastic composition, and is protected by a film with anti-adhesive functions. During the installation of materials, it is required to warm up to a temperature of 40-50 ° C.

The structure does not decompose, does not absorb moisture, and also has a very high level of efficiency. Bimast Bomb is recognized by many experts as the best vibration-absorbing material. Bimast Bomb has proven itself especially well during noise cancellation when installing an audio system. The mechanical loss factor is 0.60 conv. units Material thickness: 4.0 mm. Weighs: 5.5 kg / m2. Great for vibration isolation of tunnel, motor shield, cardan shaft, wheel arches and muffler area.

Spleen 3004... Splen 3004 has good thermal insulation properties. The material is self-adhesive and can be easily applied to uneven and vertical surfaces, does not decompose in the future and does not absorb moisture. Has a pronounced anti-mold effect. Splen is applied to the vibration-absorbing second layer. It weighs 0.43 kg / m3 and is 4.5 mm thick. In car dealerships there are also splen 3008 (8.5 mm) and splen 3002 (2.5 mm).

All types of splints are used for desshumka wheel arches, engine shield, tunnel and doors, front and rear arches with sidewalls. The bonding surfaces should be wiped and degreased for a stronger and more reliable bond. The work must be carried out at a temperature of 20−35 ° C to ensure reliable adhesion of the working surfaces. Remove the protective film of the adhesive tape and apply without tension.

Examples of insulation of vehicle elements

Now widespread on the Internet a large number of videos on how cars are glued with noise insulation, which will help you properly soundproof your car. Sound insulation has its own characteristics for each section of the car, whether it be doors or a ceiling.