How to replace the seal on the windows with your own hands

PVC double -glazed windows and windows are today in almost every dwelling, and if they are established taking into account all the norms, then a person has been ensured for a long time reliable protection against cold, excess noise and wind. However, in some cases, even the highest quality plastic windows lose their properties, and drafts, dust, moisture, etc. begin to penetrate into space. In the event of such a situation, it will be necessary to replace the seal, which can be done independently.

The concept and purpose of the seal

Before replacing the seal, you should figure out what it is and where it is located in the system of the double -glazed window. So, the sealing tourniquet is a rubber layer with a relief or spongy structure that is fixed between special recesses in the windows. This tourniquet passes along the perimeter of the entire window opening and has the characteristics of stability to poor weather conditions.

Due to this, the seal is not subject to cracking in the cold or deformation under the influence of high temperature. But the main advantage is that it does not pass the heat, moisture or cold into the living space, thereby regulating climatic control in the room.

Types of sealing in modern windows

• A rubber or rubber seal is the most widespread type of layer. It is characterized by a low level of sensitivity to temperature changes, high resistance to mechanical damage and resistance to ultraviolet rays.
• The polymer seal is a popular type of material that is made of modified PVC, i.e. From the raw materials similar to the plastic profile of the window. It is securely fixed and provides high tightness of the window structure. But also has a number of shortcomings: it is subject to the influence of temperature differences in the external environment, ultraviolet radiation and can lose elasticity.
• Polyethylene sealing with foam filling - is characterized by the monotony of shapes and low recovery characteristics.

When is it necessary to change the seal?

Rubber seal is a fairly important component of the window system, which is responsible for the tightness of the plastic double -glazed window. It depends on its functionality how well the window will cope with the ensuration, maintaining the temperature regime and protect the room from the hit of unpleasant odors from the street.

However, there are some signals that will help the owner determine when it is necessary to replace the seal on plastic windows. Such indicators include the following phenomena:

1. The emergence of drafts.
2. The penetration of cold or extraneous noise into the room.
3. The appearance of condensate on the windows.
4. The occurrence of ice on the windowsill or inside the window.
5. Manifestations of the depressurization of the double -glazed window.
6. The occurrence of dryness and cracking of rubber.
7. The appearance of fungus and molds on a rubber product.

The occurrence of such signs will clearly indicate that the rubber seal does not cope with the functions allotted to it. In other words, it is necessary to lay a new high -quality sealing cord.

The choice of sealing layer

If the profile of a plastic window structure is made by a known brand brand, then it is not difficult to choose and buy a seal of an adviser or type. But regarding the profile system of third -party brands, when choosing a rubber harness, some features must be taken into account.

Almost all specialized systems from little -known manufacturers are clones of brands Veka, Rehau or KBE, and, accordingly, their layer will be interchangeable. So, the ANALOGS of the KBE manufacturer are profile systems of stamps such as: Vitrage, Novotex or Proplex. While Rehau sealing is an excellent substitute for the windows of the Montblanc or Brusbox brand.

It is also important not to succumb to error that the window sealing tourniquet can be purchased exclusively by a whole bay of several hundred meters. Modern web stores and large building materials sell this product, both wholesale and retail. This allows you to buy the required linear meters of the seal without difficulty, it is only necessary to accurately measure the parameters of the window structure and take the material a little with a margin.

Important! It is undesirable to acquire a sealing layer in thickness exceeding the one that was originally set. The popular opinion that a thick seal may have higher tightness, noise insulation and an increased service life is erroneous. On the contrary, such a seal is more subject to deformation, which significantly reduces its service life. In addition, an excessively dense layer is an additional load on the locking window fittings and loops, which will not affect the durability of the window in the future.

You should also not make a mistake by purchasing a cheap and useless silicone universal seal for plastic windows. Its use is justified only in case of sealing wooden windows made according to the old model. For PVC windows, it is necessary to use a specialized material corresponding to GOST 30778-2001.

How to extend the service life of the seal?

It is always better to repent the problem than to solve it with a difficult and cost way. Therefore, it is much easier to avoid the rapid wear of the seal for the windows through light preventive measures. Among such precautions and care measures, the following should be distinguished:

1. At least 2 times a year, it is necessary to thoroughly wash and wipe the windows not only from the inside, but also on the outside of the room, since the fall of garbage and dirt significantly harm the operation of the seal.
2. Periodically applied to the purified sealing layer of a special solution in the form of a silicone -containing drug or ordinary glycerol, which can be purchased at a pharmacy.
3. When washing window structures, it is advisable to avoid the use of fatty detergents in order to avoid their entry into the seal and corruption of the tourniquet.
4. It is necessary to carry out repair work or other dusty procedures in the room with a closed window so that dirt and dust do not settle on the seal. Otherwise, it will be problematic to clean the contaminated tourniquet.

The methodology for leaving the window seal can be seen here

DIY sealing cord replacement

If the sealing layer has become unusable, and requires urgent replacement in connection with the loss of quality and functional characteristics, the following auxiliary materials should be prepared:

1. Silicone glue.
2. Pistol for glue.
3. New seal.
4. Scissors.

Further there is a replacement of the seal . In order to avoid any difficulties or possible errors when installing a new layer of sealing tourniquet, you should adhere to such instructions:

1. With the help of scissors, lift the edge of the old sealing tourniquet and remove it from the window opening. Usually it is easily removed from the grooves of the window frame.
2. The released place in the profile should be thoroughly cleaned of pollution and dust by means of soft clean fabric. This must be done not for aesthetic comfort, but in order for the new tourniquet to be more tightly laid in the peeled grooves.
3. Apply glue to the corners of the window frame to fix the new cord.
4. Ground a sealing tourniquet to gently bring into the grooves. It should be along the entire area of \u200b\u200bthe window perimeter.
5. The seal in the corners of the window frame should be laying without tension or pressing, adhere to uniformity.
6. Cut the excess rubber tail with scissors.
7. Close a single joint of the seal by glue in the corner of the window frame.

Important! When laying a new sealing cord, a whole section should be taken into the window perimeter. In no case do not break or cut it, do not lay it in parts.

When gluing a rubber sealing layer, it should be placed in the frame of the frame evenly, freely and covering the surface of the grooves.

You can see the instructions for replacing the seal on this video fragment: