How to fix a leak on the ceiling. How to remove yellow spots on the ceiling: types and methods of elimination
Hello, reader of the site about DIY repairs BabyRemont.ru.
It’s hard to argue with the fact that yellow spots and stains on the ceiling or walls will please few people. They are destroyers beautiful interior living space. It is especially unpleasant, to put it mildly, if you have recently made repairs yourself. Therefore, a painful question arises: how to remove water or rust spots on the ceiling and walls with your own hands.
Let me make a reservation right away that it is necessary to begin removal work by determining the causes and conditions for the appearance of contamination. There may be several of them.
- Leaking unsafe roof. Carry out a thorough inspection of it, and if there are leaks, repair the roof.
- Damp and damp room. Excessive dampness and moisture in the room is fertile ground for the appearance of rust stains and stains, as well as fungus and mold on the ceiling and walls. Get rid of damp moisture in the room.
- Presence of microcracks in the ceiling and walls. Promotes the spread of dampness and excess condensation in the room. Carry out a thorough inspection and repair microcracks.
- Leaking water supply and sewerage pipes. Carry out a thorough inspection and eliminate the causes of leaks.
- Water leakage from neighbors as a result of broken pipes, flooding, sewerage problems, and so on.
- Metal spatula (width 100 mm);
- Sponge or piece of foam rubber;
- Plastic basin;
- Brush (width 30mm);
- Paint roller and tray;
- Paint can.
- Remove wallpaper or wash off whitewash from a contaminated surface, and clean the putty down to the plaster or drywall.
- If the surface is painted, soak the stain with a damp sponge and remove the paint and putty with a spatula.
- Pour white into a plastic bowl and soak a sponge or piece of foam rubber in it.
- Treat the entire cleaned surface by squeezing out the sponge and pressing it firmly against the stain for a while. If the stain is larger than a sponge, then perform the treatment in several passes, soaking area by area. In this way, wet the entire stain. Continue the procedure until the yellow spot lightens.
- Wait for the treated surface to dry completely. If after drying the stain is not completely lightened, repeat the operation again. Instead of whiteness, you can use other solutions and pastes described below.
- Prime the treated area acrylic primer deep penetration using a roller and brush and let it dry for 24 hours.
- Paint the primed surface with oil paint in several layers and let it dry.
- Prime the entire surface with acrylic primer and let it dry for 24 hours.
- Cover the surface with a layer of acrylic putty and dry for at least a day.
- Clean the putty with fine sandpaper (180-200), especially carefully going through the transition points from new to old surface and prime the surface again.
- After complete drying, paint the repaired area with the same paint that was used to paint the ceiling or walls.
- Repaint the entire ceiling or wall again with your base paint.
- If you decide to apply another decorative coating or wallpaper, then you do not need to do the two previous steps.
Instead of whitening, you can use the following DIY solutions.
For treatment with a solution of grass (vitriol primer):
- stir 250 g in 1 liter of water copper sulfate,
- dissolve 250 g of bone glue in another 1 liter of water,
- grate 250 g laundry soap on a grater
- add soap and pour 40 g of drying oil into the bone glue solution,
- mix the two resulting solutions,
- treat the contamination with a solution diluted with water in a ratio of 1:10.
For treatment with copper sulfate solution:
- dissolve 400-500 g of copper sulfate in 5 liters of water,
- heat the mixture to 70 degrees,
- soak the stains with this solution three to four times at intervals of 2 hours, and after drying the surface should acquire a greenish tint.
For treatment with solution of hydrochloric acid:
- heat the 3% hydrochloric acid solution to 40 degrees,
- wash stains and stains until they disappear,
- wash the surface warm water.
To treat with chalk and lemon paste:
- mix 2 parts chalk and 1 part citric acid,
- add a little glycerin and water to the resulting mixture,
- apply the mixture to the yellow spot on the ceiling or wall,
- stand for about 30 - 40 minutes,
- rinse with warm water,
- repeat the procedure until the stain disappears as much as possible.
When carrying out measures to remove yellow water and rust stains and stains, always remember:
- The most important and first thing is to eliminate the causes and conditions for the appearance of pollution. If you don't do this, your efforts will be short-term and in vain.
- Mandatory use protective equipment for the eyes, respiratory tract, head and skin of the body.
As for the ceiling, you can go the other way, radically changing the tactics:
- clean the contaminated surface with a spatula,
- prime it with a deep penetration primer,
- stick it on ceiling tiles or install a stretch ceiling.
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How to remove yellow spots on the ceiling: types and methods of elimination
Stains on the ceiling appear quite often in our apartment or house. This unpleasant moment worries many people. Especially if after a recent renovation on your snow-white ceilings they appear from nowhere. Unfortunately, not everyone knows how to deal with this phenomenon, and this article is designed to help you get rid of stains on the ceiling.
First, we should tell you about where the spots come from, because there can be several types of them. This will help you better understand how to clean yellow spots from the ceiling and how to prevent their occurrence in the future.
Removing stains from the ceiling
Types of stains
Oil stains
In most cases, they appear from the use of oil paints. Until recently, it was considered very beautiful to paint the ceiling with such paints; they created a durable and easy-to-clean surface. The problem of our time is the fact that oil paints permeate the surface very deeply, and even after completely washing off the ceiling, the oil appears on the surface over time. It is quite difficult to remove such a stain on the ceiling.
Moisture stains
- I think it would be redundant here long description their appearance, because many people have encountered them. Some people's roofs leaked, others were flooded by their upstairs neighbors, which leads to a large yellow spot remaining on the ceiling after it dries. This type of stain is much easier to deal with than greasy stains from oil paints.
Rust stains
Stain from a rusting water pipe
- For new houses and apartments, such stains are quite rare. They are formed due to corrosion of reinforcement and pipes in the ceilings, when rust passes through the concrete to the surface of the ceiling. Regular painting with water emulsion paint will not help. If you have such stains, do not waste energy and money on multiple layers of paint, because to completely get rid of them, the surface must be properly prepared.
Fungal spots
- The most unpleasant of all. They not only spoil the appearance of your ceiling, but are also very harmful to health and can cause allergies. Fighting them is difficult and is rarely accomplished by simply repairing the surface on which the fungus has formed. But even with it you can fight, because modern market There is a fairly wide range of products available for its removal.
Removing stains
Due to the fact that stains on the ceiling can be of different origins, it is logical to assume that the methods for eliminating them are also different. What to do with stains and how to eliminate these “blots” that spoil the appearance of our ceiling.
Oil stains
Oil stains, as mentioned earlier, are quite difficult to get rid of.
In this regard, they are usually not deleted, but simply “blocked”.
Tip: Grease stains on a stretch ceiling can be washed off using soft fabric lint-free or sponge using dishwashing detergent.
Wipe the stain on the suspended ceiling with a soft cloth
Moisture stains
Very often we encounter such spots yellow color apartment residents. As you might have guessed, this refers to cases where upstairs neighbors forget to turn off the tap in the bathroom. Also, in old apartments, the water supply and sewerage systems leave much to be desired and leaks occur quite often.
Residents of private houses are not without this problem, since rainwater or melting snow pass through old roof. Subsequently, stains form, which, even after repeated puttying and painting, still appear on the surface.
How to remove stains from a ceiling:
Rust stains
The appearance of this type of stain is associated with corrosion of fittings and old pipes inside the ceilings. In most cases, they “come out” to the ceiling simultaneously with flooding, because moisture is needed for rust to appear on metal.
How to remove stains on the ceiling:
- Treatment with copper sulfate. This method has many supporters and is used quite often. At the same time, there are probably more opponents of this method; they claim that after such treatment, the stains return over time.
- "Toilet duckling" Human ingenuity has no limits. To combat stains, some people have tried using a “toilet duck” with a rust remover function. They claim that this method is very effective and leaves no streaks.
Fungal spots
Spots from growing fungus
The growth of mold and mildew on the ceiling is facilitated by two factors - moisture and stagnant air. Therefore, before you start fighting fungus, you need to think about changing the ventilation system in your apartment. In most cases, the fungus appears in winter on cold walls where condensation forms; such places need to be insulated. After all, no matter what you use to eliminate fungal stains, make sure that they do not have the opportunity to appear again. Otherwise, all your work will go down the drain.
How to remove yellow spots from fungus.
- Wash the wall well with a damp cloth.
- Treat with copper sulfate, or better yet, with special antifungal agents. If the fungus has been on the ceiling for a long time, then only complete burning of the mycelium with a blowtorch will help.
- Primer, putty, sanding, painting.
Stains after painting
Stains after painting are formed on the ceiling as a result of violation of the puttying and painting technology, namely:
- heterogeneity of the putty surface, when putty of different layers is visible in the gaps;
- use of “dark” putties;
- long breaks between all stages of puttying and painting;
- incorrect puttying and painting technologies;
In conclusion, I would like to say the most important thing. Regardless of what kind of stains you have and what you use to treat them, the main thing is to eliminate the cause of their appearance, because no remedy will help if the roof is leaking or your neighbor’s pipe is constantly dripping. Stains are not the worst thing, in extreme cases, you can make a suspended or tensioned p” width=”640″ height=”360″ frameborder=”0″ allowfullscreen=”allowfullscreen”>
In conclusion, I would like to say the most important thing. Regardless of what kind of stains you have and what you use to treat them, the main thing is to eliminate the cause of their appearance, because no remedy will help if the roof is leaking or your neighbor’s pipe is constantly dripping. Stains are not the worst thing; in extreme cases, you can make a suspended or suspended ceiling.
potolokspec.ru
How to remove yellow stains on the ceiling
Yellow stains on the walls and ceiling of an apartment are an unpleasant, difficult to remove phenomenon that manifests itself with constant persistence. The owners simply fall into hysteria when, time after time, despite everything Taken measures, yellowness comes out. The reason for the appearance of such spots may be different reasons, but the algorithm for dealing with this scourge is always the same. First of all, the reason for the appearance of yellow spots is identified, then the established cause is eliminated, only after that the traces are removed negative impact, that is, the spots themselves. Trying to get by with a little cosmetic repairs will help a short time, but until the root cause is eliminated, yellowness will again and again disfigure the interior of your apartment.
Yellow spots on the ceiling reasons for their appearance
Finding the cause of yellow spots, despite its apparent simplicity, sometimes becomes the most difficult task to solve. The problem is aggravated by the fact that it can occur sporadically and depend on the most incredible factors.
Water leakage
The most common reason. It may be the result of a banal leak from neighbors above, but it may not be so obvious. Example, leaking cast iron sewer pipe, laid from the toilet to the riser, lying below floor level and completely walled up. A crack in the middle of the pipe caused leaks. The pipe leaked after many years of use, without visible reasons. I had to spend a lot of time and nerves before the root cause was discovered.
A more sophisticated case of moisture leakage occurred in one of the apartments of a panel building. Atmospheric precipitation fell through the joint of the outer panels into the cavity of the floor slab and from there it seeped into the apartment in the most unexpected place.
Water leakage is most common reason appearance of yellow spots.
The examples given show that water flow paths can have the most incredible origins and are therefore difficult to detect.
The appearance of yellow marks may be a consequence of other events that occurred in the apartment. For example, due to a violation of balanced air exchange that occurred after the installation of double-glazed windows or blockage of the ventilation shaft. A slight increase in humidity in the apartment, although seemingly insignificant, can become that small step that was not enough for unpleasant consequences to manifest itself.
The appearance of yellowness, of course, is not pleasing to the eye, but this is not the most bad consequence moisture seepage. For more information about what can happen, read the article “What is the danger of mold on the walls in an apartment.”
Mark from nearby metal
The appearance of a flaw may indicate that they are close metal parts: fittings, pipes, embedded parts. And that the metal began to rust intensively. This is again the influence of water or high humidity.
Reaction between the compositions of the products used
This reason is rare, but if the apartment is old and has been renovated several times, it is not excluded. It is impossible to calculate the consequences of possible reactions between newly applied and old solutions.
Release of combustion products from electrical wiring insulation
The problem is the mismatch between the cross-section of the installed electrical wiring and the increased load. Electrical insulation begins to burn (melt) at elevated temperatures and release toxic combustion products.
How to remove yellow spots
Only after the source of yellow spots has been identified and eliminated can we begin to remove the consequences.
Use a spatula to remove loose putty and plaster. Let's apply the “Whiteness” product, using a sponge, we will blot it, not wet it, but hold the movement with some force, pressing each time. As the color of the sponge changes, we change it. We are processing all areas. Let it dry and methodically repeat the operation again until the yellowness ceases to appear.
Chemicals used
Sodium hypochlorite. Powerful oxidizing agent. Used for cleaning, bleaching, disinfection.
Copper sulfate.
Copper sulfate. Very hygroscopic. Disinfectant, antiseptic. It is used to remove efflorescence, as a means of combating mold.
During times of total shortage, recipes for various grouts and herbs to remove yellowness were passed on from mouth to mouth. Now self-painting has been replaced by hydrophobic cement-based putties, for example: Bazsilk - 30, ShM - F. In the latter case, do not be confused by the presence of the letter “F”, façade. Putty is also used for interior work.
A radical way to combat yellow spots in an apartment
If all else fails, we'll clean it up. problem area, and then paint it with white oil paint. Let the paint dry completely, and it takes a long time to dry, then paint again and dry again. So, 2 - 4 times. The process is slow and requires endurance, but it is the most effective. Speeding up the work, applying a new layer on the previous one that has not dried out, will lead to the fact that the entire “layer cake” will subsequently fall off.
masterkvartira.ru
How to remove stains from leaks on the ceiling?
Quite often, residents of apartment buildings suffer from flooding from the upper floors or as a result of leaks from leaky roofs. Yellow stains that appear on the plaster spoil the design of the apartment, which does not please its owners at all. How to eliminate stains from leaks on the ceiling?
The peculiarity of eliminating the consequences of leaks is that it is necessary to redecorating the entire surface of the ceiling. Repairing individual areas is unacceptable - the ceiling will look even worse.
How to eliminate traces of leaks on the ceiling?
1. First of all, you need to remove old plaster. Using a regular roller, you need to moisten the whitewash layer, and after a while scrape it off wire brush. Small particles are simply washed off with water.
2. When the ceiling dries well, it must be treated with a primer. This is necessary so that the surface is prepared for finishing. If cracks are found, they must be sealed with acrylic-based plastic putty.
3. After the primer has dried, the surface of the ceiling must be made smooth by sanding. Fine sandpaper is used to polish the surface.
4. We cover the ceiling with a primer for the second time, eliminating traces of streaks using matte paint, and let the ceiling dry again.
5. After this, the primed and smooth surface of the ceiling is prepared for finishing. Better instead of simple lime plaster use for this job acrylic paint, with which the ceiling is covered in two layers.
Before starting repairs, it is necessary to protect the floors, wooden doors and plumbing fixtures plastic film. This will save the interior from possible drops of primer and paint, as well as from the ubiquitous plaster dust.
In new buildings, builders create a layer of waterproofing for the floor in areas where there are many water pipes. Houses built a long time ago do not have such protection. In order to avoid troubles with neighbors, during the next renovation, install reliable insulation of the floor in the bathroom and kitchen. To do this, it is better to turn to professionals, since without special skills it is almost impossible to perform this difficult operation.
If your apartment is on the top floor, and the roof above your apartment sometimes leaks, then to resolve this issue you will need to contact the Housing Office. Be prepared for the fact that you will have to spend a lot of time and effort to solve this problem.
Flooding from above most often does not go away without leaving a trace, and, at a minimum, color stains or damage remain on the ceiling of the apartment below, depending on the finishing material. Let's look at how to remove yellow spots on the ceiling after a flood - these are minimal consequences when the leak did not entail a more serious amount of repair work.
Removing stains on a whitewashed stone ceiling after a leak
This type of construction and finishing material is widespread, and successful cleaning of the ceiling from stains after a leak in this case is a rather labor-intensive operation.
Yellow spots on a whitewashed ceiling after flooding can be eliminated in several ways, but always only after the causes of the leak have been eliminated. As a rule, a combination of several operations is used, since the stains may be accompanied by other damage caused by flooding.
Repair of ceiling finishing using a mechanical method
If a leak on the floor above has caused a layer of putty or plaster to peel off, then these layers must be removed. Use a hammer to pierce the bubble of the shell, and then use a spatula to clean the base of the exfoliated finish. If colored stains have spread to an undamaged finish, then they are removed in an acceptable way - surface stains on the putty are scraped off, deep impregnation is cut down to the plaster layer. After cleaning the base, allow the surface to dry.
If there are areas on the ceiling with exposed steel reinforcement or traces of rust from its proximity, then it is necessary to isolate the steel from the materials of the upcoming finishing. First of all, concrete with traces of rust is tapped with the sharp end of a hammer to identify fragments of nearby reinforcement that have lost their grip with the concrete of the slab.
Visible areas of steel are then cleaned with a stiff steel brush or coarse sandpaper, followed by two coats of paint (ideally with a rust converter), being careful not to paint over the concrete around them. In this way, the reinforcement is protected from contact with residual moisture in the slab and corrosion, which would otherwise appear through the putty layer within a day or two after its application, since the leveling mixture includes various technological additives that oxidize iron.
Important! It is impossible to cut out the reinforcement exposed in the slab - it is a constituent element reinforcing mesh and even in this form continues to perform some of its functions.
After the protective layer of paint on the reinforcement has dried, the defective areas of the surface are primed with an aqueous solution of latex in a ratio of 1:3 or another ready-made composition suitable for this purpose.
If at the beginning of the operation, after removing the peeling finish, no exposed reinforcement is found, then the repaired surface fragment is only primed after drying. This is done in order to stick the dust to the base and increase the adhesion of the leveling mixture, which will be applied to it after the primer has dried.
Moisture-resistant cement-based leveling mixtures, including tile adhesive, are well suited for filling potholes in the ceiling. The composition prepared according to the instructions on the packaging is applied in layers - each subsequent layer is laid after the previous one has cured, but before it dries, it should be taken into account that the last installation should not be flush, since the finishing will still be done on top of it with gypsum-based putty.
Final alignment, depending on the qualifications of the performer, is produced in one or two layers on top of the hardened cement composition. Grinding of the repaired area is carried out after final drying. gypsum putty and the layers underneath - this will be evidenced by the uniform pure white color of the surface.
Before painting the area, it must be primed. It should be borne in mind that a freshly painted surface will differ from the rest of the area in greater color intensity, even if the ceiling is white - there is dust on the old emulsion, the directions of movement of the brush, roller or spray gun will be different, etc. Therefore, if the goal is to remove yellow spots on the ceiling without a trace, then you will have to paint the entire surface of the base, and, depending on the quality of the emulsion, in 2-3 layers.
Repair of ceiling finishing using chemicals
When flooding in an apartment on the floor above was quickly eliminated, or the waterproofing of the floor there was done with sufficient quality, the consequences of water leakage through interfloor covering may appear only in the form of brown stains on the ceiling - there may be no damage to the plaster and putty.
When choosing a method, as in this case, you should proceed from the fact that it will not be possible to get rid of yellow spots without a trace just by washing - they will have to be removed using a set of measures.
The yellow spots remaining on the ceiling after flooding have many components, universal remedy for which there is no neutralization. It is absurd to do a chemical analysis of these colored stains to successfully remove them, so stains on the ceiling after a flood can be temporarily made as inconspicuous as possible, and then removed completely. Remove such stains if there is no time to remove them more efficiently mechanically, you need to do it step by step.
Cleaning the ceiling from this dirt begins with removing the damaged emulsion layer with a spatula - this is easy to do while the ceiling is damp, and the paint is removed in solid strips. If you leave the paint and all subsequent operations are carried out on top of it, it will still peel off, and the texture of the repaired area will be ugly.
Then, after the ceiling has completely dried, the surface is degreased with a nitro solvent, for example, brand “646” or “647”, which will remove possible contamination from the base with oils that got there with water leakage.
Degreasing in the future will allow you to clean stains from the ceiling not only superficially, but also in the thickness of the leveling layers. The operation is carried out with a soft rag made of natural fabric, sufficiently soaked in the substance - the colored stains are wiped over the entire area.
After degreasing is done, we get rid of the coloring pigment of the stains. This can be done using any detergent. household chemicals containing chlorine – bleaches “Belizna”, “AS”, “Domestos”, chlorine-containing compounds “Dichlor” and “Chlorin”. The presence of chlorine in the composition of the drug is indicated by applying the Cl marking to the packaging.
These or identical products will reduce the brightness of yellow spots on the ceiling, discoloring them to some depth. To do this, protect the floor under the stain with a sheet of cellophane, put on safety glasses and pour the solution into the bath. After soaking a piece of foam rubber in a chlorine-containing product, the sponge is briefly applied to the dirty area to saturate it with bleach. Prolonged impregnation may lead to peeling of the putty layer, which will then have to be removed, so the condition of the impregnated area should be monitored.
Periodically, the tampon is wrung out and washed in a bowl. When a significant loss of color with a cessation of progress is visually noticeable on the contaminated surface, the procedure is stopped and the ceiling is given another hour of time for the absorbed bleach chlorine to complete its reaction with the pigments.
Important! When working with bleaches and solvents, to avoid chemical burns, you must use personal protection(glasses, mask), and the room should be ventilated.
After an hour, washing the ceilings continues, but using ordinary detergents - washing powder, laundry soap, etc. The purpose of this stage of the procedure is to remove contaminants of other origins, as well as bleach chlorine, from the surface by wiping with a clean rag and applied detergent.
The work is completed by cleaning the base with a piece of foam rubber soaked in clean water, before removing any detergent residue from the surface.
The final result will be visible after the ceiling has dried - in 1-2 days. You should not expect a 100% result and continue to wash the ceiling after drying, since it is impossible to remove yellow stains without a trace in this way. But the contamination after such treatment will become much less noticeable, especially after a masking layer of emulsion of a selected color is applied to the washed area, and more thorough cosmetic repairs can be postponed until better times.
In addition, when painting ceilings treated in this way, surprises in the form of endlessly appearing dirty red stains are excluded - after one coating of the surface with a primer, the number of layers of emulsion required for finishing will be minimal.
Repair after flooding of plasterboard ceilings
There is a moisture-resistant variety plasterboard sheets– GKLV, which is used for leveling bases in rooms with high humidity. But even this material is not designed for prolonged direct contact with water, since gypsum is hygroscopic.
There is no specific answer to the question of how to clean a plasterboard ceiling when it is flooded from above. If gypsum boards were treated before installation hydrophobic composition, the duration of contact with water was short, and the gypsum board finishing did not have time to deform, how to wash the ceiling depends on the finishing material on top of the drywall.
What to do with a ceiling made of painted plasterboard
The emulsion will have to be carefully removed with a spatula while it is still damp, being careful not to damage the reinforcing shell of the gypsum board. Then the finish is given time to dry, after which it is primed with an aqueous solution of latex and, again after it has dried, a layer of finishing gypsum putty is applied. Finishing sanded, primed again and coated with an emulsion of a selected color. If you paint only the area being repaired, then it will stand out against the general background in any case.
How to get rid of stains on ceiling wallpaper
If wallpaper was glued on top of the ceiling, including plasterboard, then, as a rule, it peels off from the damp base and also becomes covered with dirty yellow spots. It will not be possible to wash such wallpaper to its original condition, but if the gypsum plasterboard base was preserved or repaired, you can glue it back in place, and then completely paint the ceiling. Spot repairs to wallpaper (replacing a strip or section) will be visible visually, even if the material is from the same batch.
Stains on gypsum boards without finishing
The situation with stains on the drywall itself is not relevant - gypsum board is almost never used without decorative finishing, therefore, after flooding, it is not the appearance of stains that is important, but the preservation of the sheets’ strength characteristics and geometry. If a section of gypsum board has become unusable, you can replace both the entire sheet and its fragment if it is small in area.
Replacement of a fragment begins with a cutting defective area and attaching bars or pieces of a CD profile to the base for mounting a new fragment on them - the same in configuration and thickness.
The gypsum board insert is cut out in such a way that after installation in place there are gaps of 3-5 mm around the perimeter. After attaching the insert to the base, the joints are aligned flush with the ceiling - the edge is wedged in the opening with wedges, aligning the height along the perimeter. Then the joints are filled with a special mixture for gypsum board joints.
A day later, after the composition has cured, the wedges are removed, and the nests remaining after them are also filled with putty. Then glue the joints with sickle tape and apply finishing layer gypsum putty.
Restoring PVC tile ceiling cladding after a leak
PVC tiles are a waterproof material, and flooding does not change its characteristics, but yellow stains after a leak from above remain on it. It will not be possible to wash the tiles to their original state - contamination penetrates into the structure of the material due to its low density. But the way to get rid of the consequences of flooding is not technically difficult to implement.
Using a piece of foam rubber soaked in water and detergent, wash away dirt from the finish as much as possible (the use of chlorine-containing compounds is also acceptable). Then the tiles are primed with a latex-based composition to form a film over the remaining dirt and, after the primer has dried, they are painted with emulsion paint in any color you like.
Restoration of suspended ceilings after flooding from above
Water leaks do not go unnoticed for suspended ceilings either - yellow spots can appear even after a long time after minor flooding, which went unnoticed under the fabric. The method of eliminating them depends on the material of the stretch ceiling and the nature of the contamination.
If the ceiling is elastic synthetics, film, and the cause of yellow or other colored spots is moisture, then the easiest way is to use one of special means for cleaning suspended ceilings (solution, spray, gel).
The method of use is outlined on the packaging of the composition, and the effectiveness of the operation depends on the quality of the product and the conscientiousness of the cleaning.
In the absence of such a means, improvised materials are used.
For example, a tampon is made from cotton wool and gauze, which after wetting in a ten percent solution ammonia wipe the stains, going beyond their boundaries by 10-15 cm. If after such cleaning the area differs from the main background in color, then it is necessary to wash the entire ceiling using ordinary detergents to remove dust and dirt from them.
Leak stains on a film stretch ceiling can also be removed using soda ash - a five percent aqueous solution is applied to the stains and, after drying, washed off with warm water clean water.
Due to the smooth structure of the surface, removing stains from an elastic stretch ceiling is easier than from a textile or fabric one. You can use most household detergents (soaps, gels, powders, pastes), with the exception of aggressive acids, alkalis and solvents.
If the stretch ceiling material is textile, then the same means are used, but the process will require more time and effort. However, cleaning even a fabric stretch ceiling will be ensured if the cause of contamination is water - we wipe and wash the textiles to the desired result, using only swabs with a soft fluffy surface and delicate detergents.
In the case of more serious pollution To avoid damage to the material, it is better to turn to professionals.
Conclusion
It is impossible to guarantee avoidance of problems associated with removing yellow stains from leaks, but you can minimize the consequences of flooding by internal waterproofing ceilings. If the problem does arise, it can be solved, moreover, on our own and with a guarantee of success.
The main gist of the article:
- Yellow spots on the ceiling after flooding are only a cosmetic factor.
- Contamination of the ceiling after a leak can be completely eliminated on your own.
- Right choice Divorce elimination technologies are the key to success.
- Rational action will save time and effort.
- If the reason for the contamination of the stretch ceiling is serious or unknown, it is better to contact a professional.
Most exquisite interior the room loses its appearance when yellow spots appear on the light background of the ceiling. Usually their appearance is associated with water leakage through the ceiling as a result of some kind of accident. IN apartment buildings sometimes neighbors drown, and in private roof covering Over time, it loses its tightness. Since most people are interested not in the causes, but in eliminating the consequences, it is worth considering in detail how to get rid of yellow spots on the ceiling of a room.
Where to begin?
Advice one: don’t rush to conclusions, be patient and follow this algorithm:
- Make sure that the cause of the stain is eliminated and water leaks through the ceiling do not continue.
- Study the nature of yellow spots and choose a solution. Don't rush to paint them over right away.
- Perform deletion and, if necessary - Finishing work.
If the place where the yellow spot appears continues to become damp, then the flow of moisture has clearly not stopped. This does not have to be flooding; water dripping onto the ceiling is enough to cause a visual defect to appear. Such leaks are often observed in the corners of the bathroom and toilet, where water coming from neighbors has already “made its way” through. The same thing happens with a leaky roof of a building; moisture can seep inside in small portions in inconspicuous places.
It’s not so bad when the stain is dry and has yellowish edges. Perhaps he can be defeated easily folk remedies. It is more difficult if rust appears on the ceiling, you will have to work hard so that yellow stains do not appear after some time. There are also grease stains, but they have nothing to do with leaks.
FOR REFERENCE: THE RUST COME FROM THE REINFORCED FRAME OF THE FLOOR PLATE IN CONTACT WITH MOISTURE AND AIR
Methods for eliminating the defect
Dry stains with yellow edges can be removed by using a caustic bleach called Bleach. Wearing rubber gloves and soaking a piece of foam rubber with “White”, you need to carefully blot the unsightly stains on the ceiling. Then let the surface dry and, if the result is positive, repeat the operation 2-3 times, sometimes this helps a lot and the stains disappear.
Surface cleaning
In the case of rust or mildew, bleach will not help. The issue will have to be resolved radically, including repainting the entire surface. Applying paint in one place is advisable for recently completed repairs, otherwise the difference between the new and old coating will become noticeable. The procedure is as follows:
- cover furniture and household appliances with plastic wrap;
- Use a spatula to clear the area where the stain appeared, removing the layer of paint and putty down to the slab;
- treat rusty stains on the stove with a solution of copper sulfate or citric acid and wait until the iron oxide dissolves (the stains will change color);
- Rinse off the acid with water and dry the treated area well.
TIP: WHEN PERFORMING WORK IN THE AREA OF A CHANDELIER OR OTHER PLACES WHERE ELECTRICAL WIRING IS LOCATED, TURN OFF THE ELECTRICITY IN THE HOUSE
Ceiling putty
After drying, it is necessary to apply antifungal primer Ceresit CT99 or similar with a brush, followed by deep penetration primer (Ceresit CT17). Between applications, you must maintain the time interval indicated on the packaging. And the last step is to carry out finishing work by applying a layer of putty and new paint. Before painting, the hardened putty is leveled with sandpaper.
By painting the area of the ceiling where there was a yellow spot, you risk getting a new defect and here's why. There may be a conflict between new and old paint, as a result of which the coating may swell and peel at the border of contact. Hence the recommendation: clean off the old paintwork over the entire area and repaint the ceiling with a roller. Another option is to cover the surface with wallpaper or polymer tiles.
Other types of ceilings
The previous section describes the removal of stains caused by flooding or leakage through a standard concrete floor, covered with putty and paint. But now in apartments the ceilings are decorated with other materials:
- suspended plasterboard systems;
- stretch ceiling;
- plastic panels.
Ordinary drywall does not tolerate contact with moisture at all and must be replaced after it gets wet. The moisture-resistant version of the material is also not designed for water to pour onto it. The worst thing is that leakage of accumulated water occurs at the joint, which is why 2 adjacent sheets have to be replaced. But don’t rush, it’s better to first cut out the material that has become unusable. Check if it is possible to insert a small piece of drywall in its place, screwing it to the jumpers between the profiles of the suspension system.
IMPORTANT: IT IS ALSO NECESSARY TO DRY AND TREAT THE CONCRETE BASE UNDER THE COVERING, OTHERWISE A FUNGUS WILL APPEAR IN THE PLACE OF THE STAINS
Removing rust stains from plastic can also be difficult, but replacing 1 or more panels is not difficult. The main thing is to match them to the color of the old ones, for which the panels must be thoroughly washed. There will be no stains from leaks on stretch ceilings, but after the bubble is eliminated, the material may become deformed and not return to its original state. Here you can’t do without the help of specialists, they will correct tension covering or replace it entirely.
The ceiling may seem like an inconspicuous surface only at first glance. In fact, the perception of the entire interior of the room is associated with its appearance. Therefore, the coating must be kept clean. But there are situations that are beyond our control, and a yellow spot may appear on the ceiling in the apartment after flooding by neighbors or rust may form. For such cases, there are many ways that you can use to restore the ceiling to its original appearance.
Causes of stains on the ceiling
Unsightly drips on ceiling surface may arise suddenly, spoiling the impression of the overall decoration and repair. But, before you take action, you need to try to find out the reasons for the appearance of yellow spots on the ceiling. The most common are:
- damaged roof structure is a problem for those people who live on the upper floors of high-rise buildings. The result is the presence of unsightly smudges on the ceiling;
- dilapidated pipeline and communication systems;
- neighbors from the top floor who had the temerity to forget to turn off the taps and flooded you;
- excessive humidity, dampness in the room;
- lack of normal ventilation.
Under the influence of these circumstances, yellow stains and ugly spots appear on the ceiling, and sometimes fungus and mold appear. All this creates a favorable environment for the spread of dampness throughout the apartment and the accumulation of condensation in large quantities.
Therefore, it often arises actual question How to remove a yellow stain from the ceiling if it appears.
Types of stains and methods of removal
After you manage to solve the problem with the factor that caused the stain and eliminate it, you can move on to eliminating the stain itself.
The method of dealing with it depends on the type of stain and the cause of its appearance.
Usually, after a leak, rusty and wet blots do not affect the entire ceiling surface, but only certain areas on it.
The algorithm of actions in such a situation will be as follows:
- first you need to remove rust from the ceiling, to do this we clean the dirty area;
- using a spatula, remove the layer of paint and plaster to the base;
- leave the ceiling for a while to dry completely;
- we clean the surface with sandpaper, carefully smoothing out all the irregularities;
- remove dust with a dry paint brush;
- apply a deep penetration primer with a roller to improve the adhesive properties of the ceiling with the finishing mixture;
- again leave the area to dry;
- putty, dry, clean the surface with sandpaper.
Now all you have to do is paint or whitewash the restored area, depending on the finishing method.
A grease dissolving product removes this type of stain well. Prepare the following solution:
- water – 100 ml;
- ammonia – 1 teaspoon;
- gel, dishwashing detergent or other liquid - 1 teaspoon.
You must proceed as follows:
- clean the dirty area down to the plaster or drywall;
- apply the prepared product to the oily area, wait a few minutes;
- rinse well with a wet sponge and dry the surface;
- Apply a layer of primer to the area and paint with oil paint;
- leave for a day to dry;
- seal the repair area with acrylic putty, dry, sandpaper, prime again;
- Next, paint the surface with paint that matches the shade of the entire ceiling.
Stains after painting
If, after completing the repairs, you see that the ceiling is painted unevenly, you should not rush to whiten the surface and apply the coloring composition in new layers. This will not improve the situation, but will only worsen the situation.
There may be several reasons why stains form on the ceiling after painting:
- you applied the paint too slowly, so the treated areas had time to dry while working;
- low-quality materials were used and fluff from a roller or brush is visible on the surface;
- the ceiling was unevenly primed;
- the paint was applied in only one direction.
To correct finishing flaws, you must:
- sand the ceiling with fine-grained sandpaper until completely level;
- apply a layer of putty, let it dry and sand again a little;
- Cover the surface with two layers of primer.
Next, you can begin repainting the ceiling. To ensure that your efforts are not in vain, it is necessary to ensure good lighting in the room where the work is being carried out and an optimal level of humidity. You need to move the roller in different directions, then there will be no unsightly stripes.
Moisture stains
If the yellowness on your ceilings is the result of a leak, stain removal is carried out as follows:
- Use a spatula to free the contaminated area from the finishing material;
- wipe the stain with “Whiteness” bleach using a sponge;
- wait until it dries completely. If the stain was not removed the first time, repeat the procedure;
- prime the affected area with a solution of copper sulfate, level with hydrophobic putty;
- After 24 hours, treat the surface with a primer, and after drying, paint the area where the work was done.
If somehow drops of champagne get on your ceiling, do not rush to take radical action and clean the painted coating. Try proven ones traditional methods. These include:
- a mixture of ammonia and table salt;
- industrial stain removers;
- delicate bleaches for clothes.
Using all these tools is very simple. It is necessary to blot the unsightly stain with a sponge soaked in the solution and wait a few minutes until it dries. Usually, after the first use of this technique, not a trace remains of the splash drops. If your attempts are unsuccessful, you will have to fork out for a cleaning spray, which is used to remove stubborn dirt, or carry out cosmetic repairs to the damaged area. To do this, you need to clean the stain, plaster the area where it is located and paint over it or whitewash it. When this approach does not bring the desired result, you will need to repair the entire ceiling.
How to remove yellow stains from the ceiling
Unfortunately, such a nuisance can happen not only with traditional painted or whitewashed ceilings, but also with other more expensive finishing methods. Therefore, removing yellow spots from such surfaces must be done very carefully so as not to harm the decorative coating.
There are many ways you can use to remove stains from a suspended plasterboard ceiling. These can be household stain removers, improvised means in the form of bleach or ammonia, re-painting, etc. If the use of all these methods does not bring the desired result, you will need to repair the area affected by the stain:
- clean it with coarse sandpaper;
- coat the treated area with medium viscosity;
- then apply a layer of finishing putty;
- After the finish has dried, sand the area with fine-grained sandpaper and prime.
Now you can paint the entire ceiling or limit yourself to the area where the stain was located.
First of all, you need to deal with . If you have fabric ceilings, then after drying, you can paint them suitable paint. However, in this case it will be necessary to apply at least five layers of paint.
You can use dishwashing liquid or a solution of water and laundry soap.
When the above methods do not help, experts advise removing the stain using a solution of soda ash. It must be applied to the stained area, left to dry, and rinsed with water. Repeat the procedure several times until the contamination is completely eliminated.
Plastic ceilings
They are made from polymer materials, so it is allowed to use the same methods for them as for PVC film. Particular attention must be paid to the joints between adjacent panels. This is where bacteria most often accumulate and mold develops. Any stains that appear in these areas can be bleached with “Whiteness” and rinsed well with warm water.
Rules for caring for foam ceiling tiles
These products are easy to care for. An ordinary sponge and soapy water are enough. However, it is important to remember that only laminated surfaces can be washed with this method, and simple foam panels must be wiped with a dry sponge or vacuumed. It is prohibited to use various types of solvents in care, for example, compositions containing gasoline or acetone.
These two unpleasant phenomena not only look unsightly on the ceiling surface, but can also pose a serious threat to health. First of all, you will need to find out the cause of the bacteria, eliminate it, and also establish ventilation in the room.
To remove mold or mildew, you will have to completely clean the affected area from the finish and disinfect it with special antifungal drugs. Then whitewash with an antifungal primer and restore the original finish.
To prevent the appearance of stains on the ceiling in the future, the following preventive measures are necessary:
- Even during the repair, ensure high-quality waterproofing of the ceiling, level and degrease the base surface;
- regularly check the condition of the water supply and sewerage systems;
- Monitor the performance of the ventilation, eliminate malfunctions and blockages in a timely manner.
Well, of course, no one can be protected from such a nuisance as a flood from the top floor. But, if incidents have already happened to you, and the neighbors living above you have repeatedly flooded your home, do not spend money on repairs on your own. Contact higher authorities and demand that renovation work the culprits paid.
Of course, you will choose the appropriate option for removing the yellow stain on the ceiling yourself, taking into account the method of finishing and Construction Materials that were used during the renovation. Most importantly, do not forget that the first step in solving this issue is to find the source of your problem.
Yellow stains from water leaks - how to eliminate video
Plumbing that suddenly fails causes a lot of trouble not only to owners of apartments in emergency situations, but also to their neighbors. The appearance of smudges on the ceiling as a result of exposure to moisture significantly spoils the appearance of the room, turning a smooth, snow-white ceiling into an unaesthetic surface with red stains. What to do in this case and how to avoid this in the future? How to remove yellow stains on the ceiling after flooding? To do this, you should initially find out the cause of such a defect and eliminate it at the root.
Causes of yellow spots on the ceiling
Residents face this problem to a greater extent multi-storey buildings, and the cause of the appearance may be various factors. Therefore, before you begin the process of removing unpleasant red stains, you need to find out why they formed on the ceiling:
- An outdated roof covering that allows water from rain or other precipitation to pass through.
- Closely located sewer and water pipes.
- The neighbors above had a sewer break, resulting in a “flood.”
As surprising as it may sound, removing yellow spots on the ceiling after a flood is much easier than solving the first 2 problems. The work will be less capital and costly.
What to do?
Getting rid of yellow stains on the ceiling that appeared as a result of one of the listed factors is not an easy task. To resolve this issue, you should thoroughly prepare and be patient. If you don't want to waste your time, then simple solution will hire a specialist. For a fee, your ceiling will be white again. smooth surface. But if you are a purposeful person and difficulties do not frighten you, there are ways in which you can restore a sparkling clean ceiling surface yourself.
The choice of method for cleaning the ceiling surface depends directly on the material from which it is made. Based on this, it will not be possible to simply putty and tint the contaminated area; subsequently, the stain will appear again after a while.
In our article we will tell you in detail how to remove yellow stains from the ceiling after flooding from the most common types of surface finishes, namely:
- on a plastered ceiling;
- on a plasterboard surface;
- on a tiled ceiling;
- on tension material.
Equipment required for work
Before you begin restoration of the ceiling, make sure that all the necessary tools are at hand. How to remove yellow stains on the ceiling after a leak? — To carry out the work you will need the following equipment:
- Spatulas of different widths.
- Sandpaper of different densities.
- Roller and brushes.
- Putty.
- Primer.
- Dye.
- Paint container.
- Respirator and construction glasses for dust protection.
- Industrial dryer.
How to get rid of yellow flood marks on a plaster ceiling?
Most often, as a result of flooding, wet rusty marks do not appear over the entire surface, but only some areas are damaged. These could be joints between ceilings, electrical wiring outlets, heating radiators.
Plaster ceilings are mainly made of two types:
- You need to start repairing the ceiling by removing the rusty area on the surface.
Important! Contaminated finishes must be cleaned dry.
- Using a prepared spatula, carefully remove the dried paint.
- It is necessary to clean down to the very base of the concrete floor.
- Leave the prepared surface to dry. If in home life There is construction hair dryer, dry the ceiling with it.
Important! If the wall has turned yellow where the electrical wires exit, turn off the electricity before working.
- Once the prepared ceiling has completely dried, use sandpaper to clean the ceiling area. To perform the work, use sandpaper of different grain sizes, carefully smooth out all the unevenness and roughness.
- Use a dry brush to remove any accumulated dust.
Important! To protect Airways and mucous membranes from dust, wear a respirator and construction glasses.
- For better adhesion of the new coating to concrete, prime the surface with a deep-acting liquid. It is advisable to repeat the process several times.
Important! It is advisable to apply the primer without going beyond the cleaned area.
- Leave the treated area to dry.
- Prepare the mixture based on the method of finishing the ceiling.
Important! Before covering the entire floor area, be sure to make a test layer. To do this, cover a 5x5 cm area with the mixture. If after drying the putty has dried smoothly, there are no bubbles or cracks, feel free to cover the rest of the wall.
- Finally, when the coating is completely dry, secure it to a special holder. sandpaper and carefully sand the ceiling until smooth.
- Use a roller and paint of a matching color to paint the restored area.
How to remove yellow stains on drywall surfaces?
Water is very destructive to drywall. It can be said that the effects of a damp environment on floors made of this material are more serious than on other materials. Water destroys its structure in a very short time, and yellow spots form quite quickly. Therefore, the faster you remove yellow stains from the ceiling after a flood, the less of the trim you will have to replace.
Sequence of work:
- First of all, it is necessary to open up the place where the leak has formed and remove moisture from the inside.
Important! During the process of dismantling the plasterboard ceiling, place a small container into which the water will be drained.
- We cut off the area of the surface that is saturated with water with a construction knife. In order to determine how damaged the drywall is, it is necessary to widen the hole to such a size that you can use a flashlight or mirror to view the entire perimeter and assess the extent of the damage.
Important! As an alternative, you can tap the perimeter of the ceiling. A dull sound indicates damage to the sheet.
- In most cases, drywall deteriorates at the joints, so it is easiest to replace the entire sheet of drywall.
- We replace the damaged sheet with a new one, strictly follow the process of priming, putty and painting, as described in the previous version.
How to remove yellow marks on stretch ceilings?
It is very difficult to say how much the suspended ceiling will suffer after flooding. This mainly depends on the material from which the canvas is made. Eg:
- After a leak, the fabric covering of a stretch ceiling may completely deteriorate and will have to be completely replaced with a new one.
- There are some compositions of fabrics for suspended ceilings that simply dry and, without third-party intervention, return to their original position, and no marks or yellow stains form on them. In extreme cases, the surface will have to be painted with a special dye.
- Well, if you have a plastic sheet, it is usually adapted to even the largest floods - after fixing the problem PVC coating returns to its original shape and color.
Restoring a vinyl ceiling
Vinyl material is the only type of ceiling covering that will not be affected by flooding. Due to its composition and elasticity, water creates a large sag in the ceiling. The best decision in such a situation is to invite a specialist master. But if you don’t have time to wait, you can do the whole process yourself.
Sequence of work:
- On products from vinyl material There are special inserts that have a connecting seam. As a rule, to make it unnoticeable, it is placed in the corners.
- Once you have located the seam, pull out the joint strip.
Important! To carry out rescue work ceiling it is necessary to warm the room to 40 degrees.