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Replacing the rubber band on the balcony door. Do-it-yourself repair of plastic balcony doors. Adjusting doors and windows

At the moment, PVC balcony blocks have practically no competitors; they are durable and reliable, but, unfortunately, not eternal. Sooner or later, even the most expensive and high-quality structures require repairs. Let's look at in what cases you need to call a specialist, and when you can actually do the repair of plastic balcony doors yourself.

In most cases, repairs to plastic balcony doors can be done by yourself.

Before How If you grab a tool and try to repair a plastic balcony door yourself, you must first figure out whether there is any point in repairing it at all and how realistic it is to do it specifically in your case. Let's start with radical breakdowns, fortunately there are not many of them.

  • A double-glazed window is broken - it is clear that you cannot seal the broken glass; you just need to replace it. Theoretically, you can remove the glazing beads, measure the dimensions of the broken double-glazed window and order a similar one. But we do not advise you to do this, such structures are made with certain tolerances and only a professional can take into account these tolerances, so call a specialist;

It is better to call a specialist to measure the broken glass and install a new one.

  • Broken fittings – the weak point of any plastic structure is the abundance of hinged and locking fittings. So, if the hinges are torn out “with meat” or the metal strips responsible for the ventilation mode are broken, it is also worth calling a specialist. Each manufacturer has its own hardware characteristics and it is not a fact that you will be able to buy the same mechanism;

The selection and complete replacement of fittings on plastic doors should be entrusted to a specialist.

  • The profile is cracked - it is useless to cover up a serious crack in the profile with any sealants; only a complete replacement of the section will help, and a new part can only be made in the factory.

If a radical malfunction is detected, it is necessary to completely change the section.

By the way, if you are thinking about completely replacing the balcony block, then in order not to make a mistake again, it is advisable to know all the weak points of plastic structures. Detailed information on choosing the doors themselves, as well as window glass, double-glazed window glass, accessories and other mechanisms, with photos and videos you can find.

What problems can you really fix yourself and how to do it

Fortunately, radical breakdowns are quite rare, suppose you are lucky and the options described above have passed you by, but in any case, before you repair a plastic balcony door, you need to understand which unit is broken and we will start with one of the most common questions - how to repair a plastic balcony door the door when it is dislodged.

Door offset

The main problem is that the door structure can shift in several planes at once. In particular, at the same time there may be a sagging of the sash horizontally, when the sash constantly clings to the bottom of the tray. And poor vertical clamping of plastic doors, when, for example, the door is pressed at the top, but there is a gap at the bottom.

All these faults can be eliminated by adjusting the fittings, but first you need to apply reference marks around the perimeter of the door. This is not difficult to do - take a simple pencil and trace the perimeter of the doors, as in the photo below.

To adjust the door fittings, you need to apply reference marks.

Adjustment of the door leaf along the horizontal and vertical axis is usually performed using special hexagon screws with a cross-section of 4 mm. The technology is simple - slowly screw in or unscrew a certain screw and at the same time (using the marks) monitor which direction the door is moving.

The diagram below and the video in this article show this entire process clearly. And you will find detailed step-by-step instructions for fine-tuning a balcony door with your own hands.

As for the pressure, there are so-called trunnions to adjust it. At the end of the door you will find small eccentrics that can be turned at a certain angle with a key or pliers. There is a summer press, a winter press and an off-season. Keep in mind that the trunnions may look different in different designs.

Sagging glass unit

The double-glazed window itself is quite heavy, especially if it is multi-chamber, so quite often this structure sag. Usually the cause is negligence when assembling the doors. In this case, repairing a plastic balcony door with your own hands will not be difficult.

Repairing a balcony door begins with dismantling the glazing beads. To remove glazing beads, professionals use special spatulas; in home-made conditions, you can take a good knife and carefully pry the glazing bead and pull it out of the grooves.

Important: when dismantling glazing beads, number them immediately, because the sizes of the planks may differ and if you mix them up, you will get serious gaps at the joints.

You can dismantle the plastic bead at home with a good knife.

So far, nothing better than perimeter gaskets have been invented for adjusting double-glazed windows in PVC structures. Such gaskets can be easily purchased on the market and are not expensive. When purchasing, take a couple of sets of gaskets of different thicknesses at once, otherwise you will have to grind them off.

Advice: do not use wooden wedges as spacers under double-glazed windows. Wood is an elastic material, but double-glazed glass is heavy. Sooner or later there will come a time when, under the weight of the double-glazed window, the thickness of the wooden wedges will change and the structure will warp again.

Double-glazed windows in PVC structures are adjusted using plastic spacers.

Such independent repairs end with the installation of glazing beads in their place. To do this you will need a small wooden plank and a mallet (rubber mallet). You need to insert the bead into the groove and carefully hammer it through the wooden spacer with a mallet.

Replacing the handle

The handle on balcony doors is deservedly considered one of the most loaded components and it breaks almost most often. There can be only one repair of balcony doors here - a complete replacement of the handle.

The technology is something like this:

  • First you need to remove the decorative trim. Such linings can be completely removable, or they can be slightly raised and rotated 90º, it all depends on the model;
  • Next, unscrew the mounting screws at the top and bottom;

  • If the tetrahedral core is intact and can be pulled out freely, then it is better to leave the old one, since it is cut according to the thickness of the profile. Otherwise, you will have to measure and cut the core with a grinder or a hacksaw;
  • Now insert a new handle in place of the broken one, screw in the screws and cover them with a decorative cover.

If possible, it is better not to change the tetrahedral core.

Replacing seals

On average, a balcony seal needs replacement once every 3 to 4 years. Expensive, high-quality gaskets can last up to 5 – 7 years. Even a complete amateur can change the seal with his own hands. The main thing here is to buy a set of rubber bands of the desired configuration, because there are several types of them in the balcony design.

The simplest thing is to find the edges of the old seals and cut off a few centimeters from each. Then you take your samples and buy similar ones on the market. But be careful, there are many types of such goods and it is very easy to confuse them. Rubber bands are not expensive, but another trip to the market will take up your time.

There are several types of seals for plastic doors.

When the rubber bands are purchased, you need to take out the old ones and insert new ones in their place. In some designs, it can be difficult to get to the seal in the area of ​​the hinges, here you can choose either to “push” the rubber into the groove using improvised means, or remove the doors from the hinges and freely install the seal.

Advice: don’t try to put rubber bands on glue, because in a few years they will have to be changed again and then it will be very difficult to clean the grooves. The maximum that can be done is to drop a little sealant into the groove in some places at intervals of 20–30 cm.

Step-by-step instructions for replacing seals.

A few words about minor problems

Although fixing minor problems does not take much time, for a young, inexperienced owner this can become a serious headache. In particular, old balcony blocks can squeak heavily due to corrosion of metal fittings or simply due to lack of lubrication.

With corrosion, the problem is eliminated with the help of WD-40, it comes in aerosol cans, you need to inject the lubricant into all problem areas and after 30 minutes. there will be no rust. Next, wipe off the dirt and lubricate the mechanism with grease or simple machine oil (spindle).

Repairing plastic balcony doors with deep scratches can also be done by yourself. For these purposes, there is a product called “Cosmofen”, popularly known as liquid plastic.

You need to wash and degrease the scratched area, then apply Cosmofen and, after waiting until it hardens, clean the area with fine sandpaper. To add shine, you can polish the cleaned area with a polishing wheel attached to a drill or grinder. But you need to polish carefully, the plastic may burn.

Cosmofen is an excellent remedy for combating scratches on plastic structures.

Conclusion

Of course, it is not always possible for a home craftsman to repair plastic balcony doors, but we can assure you that the cases that we have described have been tested in practice and are guaranteed to work.

Most minor problems can be fixed by yourself.

There is no need to list the advantages of metal-plastic doors and windows - they are well known. Among the disadvantages, the most often cited is the inability to repair plastic balcony doors on your own. This is partly true - significant damage can be eliminated only by replacement, but more often we are talking about broken glass or a loose hinge. You can handle this kind of work yourself, armed with knowledge and a simple tool.

To begin with, determine the scope of work

The most common “disease” of any door is rubbing, caused by weakening or displacement of the hinges. In this case, replacement of fittings is required extremely rarely; usually it is enough to carry out adjustment work. Before undertaking the repair of plastic balcony doors, it is recommended to watch a video that clearly demonstrates the upcoming process.

To work you will need:

  • hex key for the slot of the adjusting bolt (usually 4 mm);
  • Phillips and straight screwdrivers;
  • steel hammer;
  • pliers;
  • sharp knife;
  • narrow spatula;
  • rubber or wooden hammer (for working with glazing).

Repairing a balcony door begins with inspecting the hinges for loose fasteners and checking the diagonals of the door. A noticeable change in the rectangularity of the canvas is rare and can be eliminated by adjusting the spacer inserts that push the glass unit apart. Removing glazing beads for this procedure is discussed below.

If everything is in order with the door and replacement of the seal is not required, proceed immediately to adjusting the hinges.

Adjusting door hardware

Having decided on the direction of displacement and closing the door, slide it up and remove the plastic decorative covers blocking access.

Modern hinges allow you to adjust the door in several directions:

  1. By rotating the vertical screw of the lower hinge clockwise, the door is raised, and counterclockwise, it is lowered. Access - with the door closed through the upper end of the hinge. The power reserve is usually sufficient to eliminate rubbing of the threshold under the hinge and across the entire width. Rubbing of the far corner of the door is eliminated by adjusting the top hinge.
  2. When the door is open, a second, horizontal adjustment screw is accessible, located at the base of the hinge frame. Its rotation changes the distance from the end of the door to the frame to eliminate rubbing of the end part.
  3. Access to the horizontal screw of the top hinge, located on its door part, is possible only with the door open. By rotating the head clockwise, the upper end of the door is moved away from the frame, and the lower corner of the leaf is raised to eliminate rubbing.
  4. The tightness of the fit of the leaf to the door frame is adjusted by eccentrics on the end surfaces of the door. The shorter the distance from the eccentric head to the frame, the tighter the clamp.

If it is necessary to thoroughly disassemble a plastic balcony door, as is the case when replacing the seal, work begins by removing the decorative trims. Then, using pliers, remove the pin connecting the frame and sash parts of the upper hinge. The design of the lower loop allows you to tilt the canvas away from the horizontal and move the upper corner outside the box. Now, to remove it from the lower axle, simply lift the doors. Reinstallation is performed in reverse order. Considering the weight of the product, it is better to do the work together.

Something as simple as replacing or repairing a balcony door handle requires a minimum of time. Access to the handle fastener is blocked by a plastic cover, which you just need to pull towards yourself and turn 90˚.

If tightening the fasteners does not help and the cause of the play is in the handle itself, purchase a new one with similar fitting dimensions. Replacing latches and microlifts depends on the specific design and is carried out in accordance with the manufacturer's recommendations.

If there are drafts in the house

Over time, the rubber of the seal wrinkles, loses elasticity and no longer provides proper tightness. In this case, replacing the old rubber cord with a new one will help to repair the plastic balcony door. The profile height and shape of the lock must match the old one or be as close as possible to its dimensions. German products have good reviews. The cord should be taken with a small margin.

A plastic door can be properly repaired only after dismantling it and removing the interfering upper hinge. It is easier to start removing the old cord from the places of greatest bending - in the corners. The grooves are cleaned of dust and traces of glue at the joint. The new seal for the balcony door is tucked in from the joint - in the middle of the upper groove, and freely along the entire perimeter of the door, without tension or gluing. After cutting in place and aligning the ends, the ends of the cord are glued to the groove and to each other. The seal on the door frame is replaced in the same way.

Do-it-yourself glass repair

Replacing a damaged glass unit with a new one takes 10-15 minutes, but replacing one of the glass units will take significantly more time and effort. You should know that “branded” double-glazed windows with energy-saving glass, gas injection and other useful options cannot be restored. The quality of double-glazed windows made at home corresponds to mass-produced inexpensive products. But if one was installed, you can safely carry out the repairs yourself.

It is not recommended to remove glass fragments in the frame - the probability of bending the spacer (distance frame) or cutting yourself is quite high. Only parts that threaten to fall out are removed. Using a knife, wide screwdriver or spatula, remove the glazing beads holding the bag. The blade is driven between the bead and the frame, uniformly widening the gap along the entire length until the lock disengages. It is recommended to start with the side elements. Having freed the glass from the beads, remove the spacer inserts that are pushing it apart, remembering their location. The damaged glass unit is removed from the frame and placed with the broken glass up on the table.

In the photo - removing glazing beads using a knife

The outer, hardened layer of sealant (polymer or silicone) on the end surfaces of the bag is cut through with a thin sharp knife to the spacer frame. The fragments are quite easily separated from the inner adhesive layer (butyl sealant). Large areas are separated by inserting a knife between the glass and the spacer. Part of the butyl layer and outer sealant are removed from the plane of the spacer frame freed from glass. The cut is made along the bevel of the outer corner of the spacer, covering approximately a third of the width of its plane.

Remove splinters and dust from the bottom glass and, if necessary, wipe clean with newspaper and detergents. The inner surface of the glass being laid is also cleaned and degreased. The edges of the folded glass unit are lightly crimped by hand to adhere the glass to the sticky layer of primary sealant on the spacer. The groove around the perimeter is filled with silicone sealant, trying to use all the previously cut space. It takes 6-8 hours for the silicone to harden at room temperature.

Of course, most of these manipulations are not required if you buy a ready-made package. As in the case of individual glass, it is better to take measurements for ordering using the existing glass unit. If this is not possible, measure the internal space of the frame and subtract 3-5 mm on each side for frame deformation and thermal expansion. It is better to purchase double-glazed windows from the manufacturer of the installed door or a company that has a good reputation. The new package is installed in the door frame and is expanded with remote plastic inserts.

Installation of glazing beads is carried out in the reverse order - first the short ones, then the long ones.

Steel tools should not be used to press in fragile plastics. A rubber hammer or a wooden block without sharp edges is best suited for such purposes. The blows should be applied quite strongly, sliding the tool along the plane of the glass and evenly passing over the entire surface of the bead until it is completely seated in place.

Replacement of glass or replacement of sandwich panels is carried out in the same way. The reason for installing plastic may be the presence of a small child in the family, for whom ordinary glass within reach poses a threat, or economic considerations. For the lower part of a PVC balcony door, this is completely justified both aesthetically and practically. The thermal conductivity of the simplest panel filled with polystyrene foam is significantly lower than that of glass, and there is nothing to say about the weight.

While the door is under warranty, there is a great opportunity to solve problems with the help of specialists from the company that installed the door. By not being shy to ask questions, you can learn a lot from them. Regular lubrication, adjustment of fittings and replacement of the seal will make repairs to the balcony door simply unnecessary and will allow it to far outlast the warranty period.

In order to ensure trouble-free operation, you need to monitor the technical condition of the PVC balcony door. Repairing plastic balcony doors is best done regularly. Often, minor problems arise that require a minimum of time to resolve. Double-glazed windows do not need to be repaired as often, since their sashes do not sag under their own weight.

Swing system made of PVC profile.


Sliding mechanism for balcony plastic structure.

Repair kit


On the eve of work, it is better to purchase all the necessary materials in advance, so as not to waste time searching during the process.

You will need the following materials:

  • New fittings to replace broken parts;
  • Plastic gaskets;
  • Liquid plastic and sealant (to eliminate scratches or cracks in plastic);
  • If there are cracks in the glass unit itself, it is better to replace it. It is advisable to entrust the determination of exact dimensions to specialists.
  • New insulation will be needed if the system was installed a long time ago (regardless of the presence of visible damage). In this case, the material can be replaced in advance to avoid problems.

Features of PVC structures

Currently, most structures for window and balcony openings are made from PVC profiles. The company that installs the double-glazed windows also carries out technical control during the warranty period and eliminates faults free of charge. However, after the warranty expires, the likelihood of breakdowns only increases, so it is important to understand how the balcony sash is repaired.

Repair of the swing system lock on the loggia.

Hinged sash with additional secure locks.

Sliding system lock repair.

Sliding opening system.

The door sags

To eliminate sagging, use hexagons to repair fittings.

Work order:

1. Remove the plugs from the hinges;

2. The top screw allows you to adjust the structure vertically using a hexagon. To do this, turn the tool clockwise. This way the fabric will be attracted to the loop;

3. The end screw moves the structure horizontally;

4. If necessary, adjust another loop.

What to do if the glass unit has moved and the door does not close?

  • We dismantle the glazing beads that secure the glass unit. We carry out the work with special shovels;
  • We separate the glass unit from the canvas in the hinge area using a spatula. We fill the gap with a plastic gasket;
  • We check the quality of work - the mechanism should close normally.
  • Installation of glazing beads in their original place.

It's blowing from the balcony door

Thanks to the PVC seal, the PVC structure is airtight; air and dust from the balcony do not spontaneously enter the room.

During use, cracks may appear on the material, sometimes it loses its shape or breaks. If a similar stage of wear has occurred, it is better to replace the sealing tape.

Correct sequence:

  • You should buy new material that will fully correspond to the previous one (in appearance and size);
  • We dismantle the old tape;
  • The groove should be thoroughly cleaned of glue residues and accumulated dust;
  • We install a new seal; the tape can be pressed with your finger, but not pulled (the groove must be dry). The sealant is laid starting from the bottom. This principle is easy to explain: if part of the tape comes off during operation, it will not sag;
  • The final step is to cut off the ends of the seal and fix the laid edges of the material with glue. The door should not be closed while the glue is drying.

To increase the service life of the seal, the material must be coated every six months with a special agent that will prevent it from drying out. You can purchase the protective composition from PVC window manufacturers.

When replacing a glass unit, the sealing tape should also be replaced.

The door handle is loose

This procedure is considered the simplest when compared with other problems. Depending on the degree of damage, this element can be tightened in the right places, adjusted or replaced.

If the handle becomes loose, you need to turn the base bar 90 degrees. This will make it possible to regulate the screws that attract the element to the PVC profile. In order to better fix the part, use a screwdriver.

Self-adjustment of self-tapping screws using a screwdriver.

The need for replacement may become apparent unexpectedly when inspecting the mechanism.

Let's look at the procedure:

  • Turn the handle or part that is preserved parallel to the floor;
  • Remove the plug located at the base (rotate 90 degrees);
  • Unscrew the screws using a Phillips screwdriver;
  • We remove the handle together with the rod from the structure;
  • We install a new mechanism in the socket. If the rod is too long, you need to saw it off using a special machine;
  • We fix the screws. In the process, you need to control the force to avoid damage to the handle itself or the PVC profile;
  • We mount the latch back, masking the screws;
  • We check the installed part, namely the door clamp and the free movement of the handle.

Removing the handle with a Phillips screwdriver.

Usually, the handle is installed from the inside of the room, but this is not always convenient.

If you spend a lot of time on the loggia, you can make a special latch and an element on the outside that helps tighten the door.

There are cracks in the plastic

Restoring the surface of plastic means eliminating cracks and scratches.

Plastic recovery methods:

1. Minor damage can be removed with a special composition “Cosmofen”. After exposure to the product, the surface is covered with “liquid plastic”.

2. When repairing significant flaws in plastic, use cosmetic glue to fill the gaps. White sealant is also suitable for sealing deep cracks. After the aggregate has dried, the surface is sanded using fine sandpaper.

3. The final stage of restoration is surface treatment with a special construction pencil.

The door closes tightly

Sometimes, when removing sagging, the door is pulled too tightly, after which it is difficult to close it.

In order to adjust the sash, you should evenly loosen the hinges. As you rotate the top and bottom screws, the clamping force will become weaker.

The glass unit is broken

It is better to entrust this work to professionals in order to avoid unpleasant consequences: condensation, frozen glass, problems with operation. If the warranty period is valid, you should contact the company that installed the PVC structure. Installing it yourself may have a negative impact on appearance.

If one glass is damaged, the glass unit must be replaced completely. This will preserve the hydro- and thermal insulation of the structure.

What reasons lead to breakdowns

  • Installer error during installation and incorrect adjustment of fittings;
  • Shrinkage of the new building and deformation of the structure;
  • Incorrect operation of PVC structures;
  • Excessive exposure to the sun (if the sun's rays constantly fall on the balcony);
  • Sudden changes in air temperature.

If such problems arise during operation, repairs are necessary. Moreover, such malfunctions can be eliminated independently, without the involvement of experienced specialists. In order for the work to be successful, you should objectively analyze the volume of work and the availability of free time. If you estimate that there is not enough free time, then turn to professionals.

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Replace door seal

The seal is one of the main components of plastic doors; it runs along the entire perimeter of the doorway. To guarantee protection from the influence of the external environment, two contours of rubber seals are used. One circuit is on the frame, the other on the door. In premium plastic structures, some manufacturers make three sealing circuits.

The main activity of the company "Cozy House" is replacement of the seal of plastic balcony doors in St. Petersburg (St. Petersburg) and the Leningrad Region (LO).

Our specialists replace rubber seals on plastic balcony doors from many well-known manufacturers: VEKA (century), REHAU (Rehau), Thyssen (Thyssen), MONTBLANK (MontBlank), GEALAN (Gealan), KBE (KBE), Plafen (Plafen), Deceuninck (desenink) and others. The cost of replacing rubber window seals is quite affordable.

When is it necessary to replace the seal of a plastic balcony door? (When do you need to change the seal on balcony doors?)

Any rubber product, even with proper care, loses its original performance characteristics over time. The same thing happens with door seals. Over time, the door seal seems to “flatten”, and cracks and tears appear on it. This means that it ceases to perform its function. The door becomes cold and drafts appear. To restore heat, noise and insulation Replacing the seal of plastic balcony doors(replacing rubber bands on the doors) becomes simply necessary.

Replacing the sealing rubber of plastic doors is necessary when:

Blowing from a plastic balcony door

Plastic balcony door whistles

The plastic balcony seal has worn out, lost elasticity, cracks have appeared, and torn

How to independently determine whether the seal of a plastic balcony door needs to be changed

You can determine whether the balcony door seal needs replacement yourself. Open the window sash and clean the seal from dirt using a damp cloth. Carefully inspect the seal on the door and frame. The outer contour usually has more damage. If the seal has become hard, irregularities (tears) have appeared, the color has faded (become uneven) - this plastic door seal must be replaced. Because the outer contour is more susceptible to wear, some owners, in order to save money, prefer to replace only it, but, in this case, the door pressure is weakened and no one can guarantee that the blowing from the door will stop.

How to choose a seal for a plastic balcony door?

Rubber seals from different manufacturers of plastic doors can vary greatly in material, shape, thickness, and elasticity. Therefore, it is better to entrust the diagnosis of the condition of the seal, its selection and replacement to an experienced, qualified technician.

You won’t be able to buy rubber seals for plastic balcony doors at a regular construction market. Companies that professionally repair plastic windows and doors buy it in bulk, in rolls of 400-500 meters. Each profile manufacturer has its own seal, because The size of the groove for the seal is different for each manufacturer.

Be careful when choosing a seal for your plastic balcony doors, since in this market, as elsewhere, there are original rubber seals from well-known European manufacturers and analogues (Russian, Turkish, Chinese). Analogs are made similar in shape, but the dimensions do not always match. The composition and quality of such seals leave much to be desired. The selected seal must comply with GOST 30778-2001.

GOST 30778-2001 for seals

GOST 30778-2001 defines the scope of application and introduces the classification and designation of seals. Determines technical requirements for the shape and composition of seals. Establishes acceptance rules and methods of control of finished products. Gives instructions on the operation, transportation and storage of seals.

Here are the excerpts that are most interesting to us:

3 Classification and designations

3.1 Designations of polymer materials used for the manufacture of seals

TPE - thermoplastic elastomer;

EPDM - ethylene propylene diene rubber (terpolymer of ethylene, propylene and diene with the remaining unsaturated part of the diene in the side chain);

ERM - ethylene-propylene rubber (ethylene-propylene copolymer);

VMQ - silicone rubbers containing methyl and vinyl substituted groups;

CR - chloroprene rubber.

3.4 Seals are divided depending on the types of window, door units and other structures for sealing the elements of which they are used:

D - for wooden window and door blocks;

P - for polyvinyl chloride window and door blocks;

A - for window and door blocks made of aluminum alloys;

C - for special (other) designs.

8 Operating instructions

8.2 The surfaces of window and door units in contact with the seals must be clean and free of scratches, sharp edges, nicks, scratches and other mechanical damage.

8.3 Installation of seals must be carried out without distortions, twisting and mechanical damage, without jerking or impact.

8.4 To facilitate installation and reduce friction, seals can be treated with a thin layer of silicone grease.

8.5 The seals are installed in the seat without stretching.

Seals for plastic balcony doors with the highest performance characteristics: REHAU 952 and KBE 228

EPDM seals from well-known manufacturers have proven themselves best in operation: REHAU, KBE, VEKA. Rehau and KBE seals are marked along their entire length, which indicates their authenticity. The KBE seal is thicker, but this does not mean at all that it will “hold” better. Based on the best intentions, you can install a KBE seal, but the door may not close!!! Excessive thickness of the seal will interfere. Therefore, based on the size of the groove, the master decides on the spot which seal needs to be installed instead of the worn one.

Brochure about sealants for plastic windows and doors from REHAU.

How to replace the seal of a plastic balcony door yourself

Is it possible to replace the plastic door seal yourself? Why not. It is not the Gods who burn the pots... As a result of the work, try not to break the hinges and fittings. Everything is simple only in videos on YouTube. And when it comes down to it, a lot of nuances arise that no one will ever talk about anywhere. Our advice is to trust your balcony doors only to experienced craftsmen who every day encounter and successfully solve certain difficulties that arise when replacing the seal in plastic doors!

A seal in a plastic door is needed to prevent moisture from getting inside the profiles and fittings, and to prevent corrosion, for noise and heat insulation, and to avoid dust.

Some craftsmen are trying to solve the problem of “insulating a balcony door” on their own. They go to the store and buy self-adhesive insulation. They attach it to the entire door and think that the drafts have been eliminated!!! However, they do not think at all that this increases the load on the hinges and all fittings, which can lead to serious damage. You absolutely cannot do this!!!

It is worth entrusting this work to professionals so that replacing rubber seals on plastic doors was done with high quality and without any “surprises”.

Replacing the seal on balcony doors (replacing rubber bands on a plastic door)

Replacing the seal of a plastic balcony door happens on the spot. In this process, the old seal is removed, the grooves on the door and frame are cleaned, into which a new seal is then installed. When replacing the seal by pulling, the new rubber should fit freely into the groove without effort or tension.

There are two ways to change the seal on a plastic balcony door:

With door leaf removal

Without removing the door leaf

Based on his experience and the specific situation, the technician decides on the spot whether it is necessary to remove the door from its hinges to replace the seal. An experienced plastic door repair technician can efficiently replace the seal without removing the balcony door.

You can extend the service life of the rubber seal for plastic doors with regular maintenance. It is recommended to clean the rubber seal of plastic balcony doors once every six months from dirt, wash them with soapy water and lubricate them with silicone grease.

How to order a replacement seal for plastic balcony doors?

Call if you need urgent replacement of the rubber seal of plastic balcony doors in St. Petersburg (St. Petersburg) and the Leningrad Region inexpensively. Our specialists will carry out all the necessary work today. An experienced balcony door repair technician will go to the address you specified immediately after calling our manager.

With many years of experience in replacing the balcony door seal, our craftsmen will also quickly detect and eliminate all visible and hidden malfunctions in the operation of the plastic door, and it will again function fully “like new.” Drafts, jams and everything else that bothered you will “go away”.

The Cozy House company provides inexpensively the entire range of repair works for plastic balcony doors in St. Petersburg and the Leningrad region. We very quickly carry out work on replacing the window seal, cleaning and lubricating the seal, replacing fittings and much more. In addition, we provide a long-term guarantee for the work performed, which means that we do not doubt the skill of our employees.

Draw your attention to! We DO NOT have “general profile” specialists (from ceiling to floor) or migrant workers!!! Only professional window repair specialists!!!

If the slightest malfunction occurs in the operation of the plastic balcony door, it is recommended to call a repairman. Strictly prohibited use excessive physical force to open (close) the balcony door!

After repair and restoration work, it is recommended to carry out servicing of plastic doors twice a year (cleaning off dirt and lubricating fittings and seals).

It is recommended to clean the rubber seal of plastic doors to the balcony once every six months from dirt, wash it with soapy water and lubricate it with silicone grease.

Caring for a plastic balcony door

Even a simple ordinary soap solution will easily wash the plastic profile of your entire door, or you can use degreasing detergents. But only wash the plastic profile with a soft sponge, do not rub it with a hard surface. It is strictly forbidden to use abrasive and aggressive chemical compounds (which contain chlorine, acids, alcohol and other additives that actively destroy dirt). Even if at first glance nothing happened, after some time the color of the plastic may turn from white to grayish-yellow.

The glass unit in a PVC door is ordinary glass and needs to be washed like ordinary glass. Carefully, trying not to get detergents on the profile. It is important not to overdo it - so that the cleaning alcohol solution does not get on the rubber seal.

Caring for metal fittings consists of annual lubrication, at least with sewing machine oil or simple machine oil or some other oil that does not contain additives.

It is recommended to clean the rubber seal of plastic doors once every six months from dirt, wash them with soapy water and lubricate them with silicone grease. This element of a plastic balcony door plays the most important role in protecting against drafts, noise and street dust.

It is also important to regularly clean the drainage holes at the bottom of the door frame. If you regularly give a plastic balcony door a little attention, it will last a long time and reliably!

Accessories for plastic balcony doors

Some additional accessories make using the balcony door more comfortable. For example, installing a mosquito net on the door will protect the house from mosquitoes and will allow you to open the plastic door wide open during the hot season. Installing a comb-type balcony door opening limiter will limit the opening of the door to a specified distance. Installing a balcony door latch with a petal handle (smoker's kit) will allow you to go out onto the balcony and close the door tightly behind you. The petal handle on the balcony door can be either plastic or iron. Install the balcony latch yourself? Try it! If you prefer to have a specialist do it, we will be happy to help you!

By calling the manager of our company, you can order replacement of the seal of plastic balcony doors in St. Petersburg (St. Petersburg) and Leningrad Region. A door repair specialist will arrive at the specified address at a time convenient for you. Will quickly and efficiently complete all necessary work. The experience of our technicians allows us to guarantee that, with proper operation, the corrected problems will not reappear for a long time.

When accepting an order, the dispatcher will tell you the approximate cost of the work. The full scope of work and its exact cost are determined by the foreman on site.

The price of work to replace the seal on a balcony door starts from 100 rubles. per p.m.

Prices for replacing seals on plastic balcony doors and other types of work


Window/door adjustment
Adjusting the sash of a plastic window 400 rub. sash
Adjusting the plastic balcony door 600 rub. door
Adjusting the window sash on the loggia (facade glazing) 400 rub. sash
Adjusting the sash of a wooden window with double glazing 400 rub. sash
Adjusting the plastic entrance door 1000 rub. door
Adjusting the plastic entrance door closer 700 rub. PC
Alignment of window sash geometry (repacking) 700 rub. sash
Aligning the geometry of the balcony door (repacking) 900 rub. door
Window/door repair
Repair of a plastic window sash (reassembly of fittings) 1000 rub. sash
Repair of a plastic balcony door (reassembly of fittings) 1200 rub. door
Repair of façade glazing window sash (refurbishment of fittings) 1200 rub. sash
Repair of a wooden window sash with double glazed windows (rebuilding fittings) 1000 rub. sash
Repair of a plastic entrance door (bulkhead fittings) 1500 rub. door
Replacing window/door seals
Replacing the seal of plastic windows/doors from 100 rub. p.m.
Replacing the seal of a wooden window with double glazing from 200 rub. p.m.
Replacing the façade glazing window seal from 200 rub. p.m.
Replacing the seal of plastic entrance doors 150 rub. p.m.
Replacement of window/door fittings
Replacing the handle of a plastic window/balcony door 300 rub. pen+work
Replacing the top hinge of a plastic window from 1000 rub. hinge + work (pivot window sash)
Replacing the bottom hinge of a plastic window from 1000 rub. loop+work
Replacing plastic window scissors from 2000 rub. scissors+work (tilt-and-turn sash)
Replacing the main lock (drive, gearbox) of a window from 2500 rub. drive+work
Replacing the top hinge of a plastic balcony door from 1300 rub. hinge+operation (pivot balcony door)
Replacing the bottom hinge of a plastic balcony door from 1300 rub. loop+work
Replacing the scissors of a plastic balcony door from 2300 rub. scissors + work (tilt-and-turn balcony door)
Replacing the main lock (drive, gearbox) of a plastic balcony door from 3000 rub. drive+work
Installation of clamps from 450 rub. PC
Installation of lock strike plates from 300 rub. PC
Replacing the hinge of a plastic entrance door from 2300 rub. PC
Sealing window/door seams
Sealing the internal seam of windows/doors from 200 rub. p.m.
Sealing the external seam of windows/doors from 250 rub. p.m.
Window/door service
Converting winter/summer mode 100 rub. leaf/door
PVC window sash service 600 rub. sash
Maintenance of plastic balcony doors 800 rub. door
Maintenance of wooden window sash with double glazing 600 rub. sash
Service maintenance of façade glazing window sash 600 rub. sash
Maintenance of a wooden door with double glazed windows 800 rub. door
Servicing of a plastic entrance door 1200 rub. door
Cleaning and lubrication of fittings 200 rub. leaf/door
Window/door opening limiters
Installing a comb on a window/door 300 rub. comb+work
Installing a comb on a façade window 600 rub. comb+work
Installing a handle with a key on a window/door from 700 rub. pen+work
Installing a child lock on a window from 900 rub. lock+work
Installing an opening limiter with a cable 1300 rub. lock+work
Installing a latch on a balcony door "smoker's kit" 900 rub. latch+work
Installation of the petal handle from 100 rub. pen+work
Installing a double-sided handle on a balcony door 2000 rub. pen+work
Finishing of plastic windows/doors
Reinstallation of drainage system with foaming from 500 rub. PC
Installation of drainage systems from 1000 rub. Job
Installation of window sills from 1000 rub. Job
Installation of slopes from 300 rub. m.p.
Replacement of glass unit
Replacing a single-chamber double-glazed window 2000 rub. sq.m.
Replacing double-glazed windows 2500 rub. sq.m.

Doors to a balcony or loggia, unlike interior doors, experience more intense loads when opening; in many cases they operate under significant changes in outside temperature and high humidity. Over time, not only their fittings wear out, can break and become loose, but also rubber seals lose their properties - all this requires timely adjustment, repair or replacement of individual parts and assemblies. It is not difficult to carry out adjustments and simple repairs of plastic balcony doors with your own hands - for this you will need household tools and some knowledge of the design of fittings and their installation.

Rice. 1 Fittings for plastic balcony doors

Before you repair a plastic door on a balcony with your own hands, you need to know the faults that cannot be fixed on your own and require the help of specialists. These include:

  • major damage to the surface of the canvas from heavy hard objects or impacts;
  • destruction of the frame at the joints or violation of the integrity of the welds;
  • deformation of the canvas due to exposure to high temperatures (open fire, intense solar radiation);
  • tearing of hinges from the canvas and box, internal damage and breakage of fittings (the handle does not close);

In case of such faults, specialists usually replace the broken door leaf or fittings.

Rice. 2 Typical breakdowns of plastic balcony doors

Adjusting balcony doors

Balcony doors, especially with multi-chamber double-glazed windows, may sag over time due to loose hinges or not close tightly, so experts recommend adjusting them once a year. Many types of hinges are equipped with fittings with adjusting screws for a hex head, so you will need a 4 mm hex to carry out the work. Balcony doors, like windows, are adjusted in the following positions:

Rice. 3 Adjustment of PVC balcony doors vertically and horizontally


To check the pressing force in doors and windows, a sheet of paper or a banknote is inserted between the closed sash and the frame - they should come out with some force. The check is carried out along the entire length of the doors; if necessary, the loose door to the balcony is additionally adjusted.

Repair of handles and locks

Before opening the balcony door from the inside, the handle is turned, which experiences significant loads, so loosening or breaking the handle is a fairly common problem with all doors. Sometimes, over time, the tetrahedral pin wears out and it turns idle in the hole, but the plastic door does not close.

Rice. 5 Replacing the handle or lock of a plastic door with your own hands

Replacing or adjusting it consists of simple operations:

  1. The decorative plastic cover is pulled towards itself and rotated 90 degrees.
  2. Using a Phillips screwdriver, tighten the fastening screws or remove the broken handle.
  3. Screw on the new handle. When replacing, you should remember the location of the removed handle and insert a new one in the same position; the old fasteners can be reused.

Similar operations are carried out when replacing a door handle with a lock (if the locking mechanism breaks down, repairing the lock is not cost-effective). If the mortise lock of a plastic door breaks, first lubricate its parts and core, and in case of failure, replace the broken mechanism with a new one.

Replacing the seal

Over time, any door seal loses its physical properties - it becomes hard and brittle, not ensuring a tight fit of the door leaf to the frame. The main task is to select similar rubber for your profile; if you replace it yourself, you can purchase it from a company that installs similar profiles of balcony doors. When replacing the seal, the following rules must be observed:

  • make a complete replacement, that is, on the frame and sash;
  • replacing the sealing tape in the sash must be done in the removed position - otherwise its installation will be difficult in the hinge area;
  • the joint of the rubber sealing tape must be glued; this is always done in the middle of the upper part of the sash and frame.

For sealing, it is better to use tape with a chamber profile; it covers wider gaps than cheap petal types. It should be taken into account that replacement will require the purchase of two types of sealing tape, differing in cross-sectional shape - frame and flap.

The work is carried out in the following sequence:

Rice. 6 Repair of a plastic balcony door with replacement of the sealing tape

  1. Remove the decorative plastic covers from the door hinges, remove the top holder in the form of a pin, and remove the door leaf.
  2. The scissor-shaped fastening on which the door hinge is held is moved to the side and the old tape is dismantled (the connection point is always at the top).
  3. Insert a new tape (to avoid mistakes, you must remember the placement of the old seal or be guided by a wider section along the edge of the sheet) without strong tension in the corners.
  4. After installing the tape, the scissors with the loop are returned to their place, the joint at the top is glued with any rubber or super glue.
  5. Similarly, remove the old tape from the frame and install a new one in its place with the thick side at the edge; it is also glued in the upper part.

Replacement of glass unit

In order to know exactly the dimensions of the new bag when replacing it yourself, you can remove the damaged one or measure its dimensions with a tape measure with the corners removed. If a double-glazed window is broken, then repairing a plastic door on a balcony with your own hands is quite simple. For this:

  1. Using a flat screwdriver or a narrow spatula, remove the side and top beads, inserting the tool into the gap between the corner and the plastic panel of the canvas.
  2. They take out the old bag, clean the perimeter of the installation from broken glass and dirt, insert new glazing and return the glazing beads to their place.

When working, it should be taken into account that double-glazed windows are made from ordinary sheet glass without further processing, so it is easy to cut your hands on their edges - work should be carried out with gloves.

Rice. 7 Double-glazed window repair

Sometimes the balcony door, both inside and outside, can be scratched or have small dents (this happens if it slams shut and we open it with improvised objects). In this case, a special Cosmofen RM putty will help eliminate defects and repair the plastic coating.

It is quite easy to adjust and repair a balcony door on your own by replacing the handle, seal and glass unit - no special construction tools are required for this. If the internal door fittings are broken or the leaf has significant mechanical damage, it is better to use the help of a specialist to carry out repairs.