Do-it-yourself soundproofing: step-by-step instructions

Good entrance and interior doors are not only aesthetics and homeliness. This lack of drafts and silence. But often only good and expensive designs can boast of such characteristics. On lower priced models, options such as soundproofing may not be available. But you can always upgrade the design with your own hands.

soundproofing door

Soundproofing the door is a simple process that will help create real comfort in a house or apartment. Let's look at how to do this.


In an ideal situation, when buying, you should immediately choose a good soundproof model. But if you didn’t succeed in buying a good door, then you have to do it yourself. To protect the canvas from noise, mainly various soft, bulk or hard materials are used. Often they also serve as a heater. Soft soundproof materials settle over time. This will not affect noise protection in the best way.

It can also affect the appearance of the canvas (if it is upholstery). Bulk sound-absorbing substances are not always suitable. If the soundproofing of the door is done by yourself, then there are several materials available for this. Well suited for noise protection polystyrene. He does not miss sounds and cold. It can be supplied in the form of granules or a liquid mixture. A synthetic winterizer is also isolated. It is quite soft, has high wear resistance. Its main advantage is its low price. But to get a good result, it is necessary to stick the synthetic winterizer with a sufficiently thick layer. Another inexpensive option is foam. It is suitable for work on upholstery of the door leaf, and as an internal filler. Also, with foam, joints can be sealed.

soundproofing of the front door

Isolon is a more modernized analogue of foam rubber. It has a high density and improved characteristics, but its price is an order of magnitude higher. Mineral wool is widely used for soundproofing. It is quite soft and is widely used in the compaction of voids, crevices and joints. Over time, this material may shrink. Mineral wool also accumulates moisture well, however it is reliably protected from decay and reproduction of various insects. Foam is also suitable for soundproofing. Sheets are often used, but the product is also produced in the form of granules. This is a good and affordable soundproofing material, but it differs in average performance.

Preparation for work

Modern entrance doors can be of two types - with and without interior upholstery. If the product costs less than 15 thousand rubles, then the casing is easily dismantled. Door leaves without any finishing inside are much more reliable. But they miss any sounds. Soundproofing of the front door should begin with the dismantling of the lining from the inside. On most designs, it is mounted on self-tapping screws. On old doors, it can be installed on decorative nails, so it is very easy to remove.

soundproofing the interior door

You can also find door leafs decorated with leather or leatherette. If necessary, this decorative upholstery can be changed or left unchanged. It does not affect the level of sound insulation.

Dismantling the casing

Before disassembling the door structure, unscrew the handle and remove the trim. It is also advisable to dismantle the lock cylinder. This is necessary if it is installed secretly, but you can not do this. If the door is equipped with a push handle or other automatic closing systems, it is best to lock them. Soundproofing the door usually begins with the removal of the old decorative coating. On most metal structures, under the layer of upholstery, you can see the transverse elements from the profile pipe, attached by spot welding, and crooked nailed crossbars made of wood. If these components are already rotten, and the metal has rusted, then they can be safely removed, and the steel can be carefully cleaned with sandpaper or treated with a zinc converter. Some models are covered with a hardboard sheet inside. We also take it out.

Laying soundproofing material

In most door models, mineral wool or felt is used as sound-absorbing material . All this is attached directly to the hardboard. Along with available materials, you can use special tools. These are gaskets that are used in car noise insulation.

soundproofing metal door
As a first layer, so that the material does not undergo further decay, the Schumanet roll insulation is glued onto the canvas. One of its sides has a special polymer-bitumen coating. Then lay mineral wool or polystyrene foam. Then you can pick up any material up to 5 cm thick. This should be the third layer. At the end, an additional layer of Schumanet is attached. Naturally, this method is not true, but it is in this way that maximum protection against noise from the entrance or from the street can be achieved.

How and how to fix materials to the canvas

Since the soundproofing of the metal door is carried out using special materials, the installation approach will be special. Installation should be carried out only after high-quality cleaning of the surface of the canvas. To degrease it, it is recommended to use alcohol, kerosene or acetone. Sound absorbing materials are best installed using adhesives specifically designed for this purpose. Do not save on them. Sound-absorbing plates and sheets should fit as evenly as possible to the surface of the metal sheet.

soundproof doors
This is important, because only in this way can the door withstand temperature changes during the off-season and drafts. When choosing glue, pay attention to ensure that it has a life of more than 10 years. So you will not re-stick everything again in a couple of years. Each subsequent layer is recommended to be laid only after the previous one has completely dried. “Shumanet” has its own adhesive film, but there is no need to have special hopes - the composition on this film is not very reliable. Therefore, it will not be superfluous to smear it with the main substance. To "Schumanet" better fit to the metal surface, it is recommended to pre-heat it with a hairdryer for 20 minutes.

Seam processing

This is an important point. Without quality joints, the soundproofing of the door will not be complete. At the joints, in places where the sheets are interconnected, it is recommended to seal and damp these areas. A special sealant is ideal for this. With it, you can quickly process a metal front door.

Lock handling

This point should be given special attention. If the castle has an open structure, it is worth laying these areas with soundproof materials. The gaps are easily filled with foam.

soundproof doors
Do not put too much composition. It has the property of increasing. As a result, it can jam the lock. Instead of foam, mineral wool or silicone sealants are well suited.

Completion of work

Now the soundproofing of the entrance metal door is almost over. In addition, it is recommended to lay the insulation under dermatin. The hardboard can be installed on self-tapping screws even if it was fastened with nails. Now it remains only to purchase door seals and install them on the box and door leaf. Also close all slots of the door block.


Soundproofing the interior door will help to create maximum comfort and coziness in the apartment or house. But this process is performed a little differently than in the case of input structures. Here you need to try to seal the joints. Cloths of such structures are rarely subject to serious modifications. To protect yourself from noise, you need to purchase and set a threshold. It must be combined with the door leaf when closed. It is recommended to glue the sealant around the perimeter of the door frame.

soundproofing of the entrance metal door
It should be selected based on the size of the gaps along the edges of the canvas. If the seal is not enough, then there is another option - lining with special panels. It is best to immediately purchase interior doors with sound insulation, for example, from MDF. Over time, sound-absorbing materials can deteriorate and wear out. They are recommended to be updated periodically. The position of the blade is especially important. During operation of the door, distortions can occur, due to which gaps appear. This violates noise protection.


Of course, you can immediately get good doors with good sound insulation, but it is expensive and not always possible. But if you make a little effort, you can get the same level of noise protection for cheaper door blocks.


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