It’s very disappointing when literally immediately after repairs you are drowned by your upstairs neighbors. How to remove the ceiling so that it becomes perfectly white again?
main reason the appearance of yellow spots after flooding is due to floor slabs that have not completely dried out. Even if the plaster dries completely, yellowish stains may still remain. In addition, the reinforcement in the floor slabs may begin to rust, which makes the stains even more pronounced.
Of course, the best way out of this situation is to present a bill to your neighbor for the damaged repairs. However, it often happens that you have to eliminate the consequences of a flood yourself. How to remove rust spots and how to remove yellowness?
Removing yellow stains after flooding
The first thing to do if you are flooded is to turn off the electricity at the panel. You don’t know how far the water is from the wiring. After this, they begin to remove the yellowness.
The first method you can use is mechanical removal divorces. This option does not require the use of chemicals and is completely safe. You will have to use a spatula to clean off the paint, putty, and remove the wet plaster. All damaged surfaces should be thoroughly cleaned.
After cleaning, you need to wait a little until the ceiling is completely dry. After this, a primer is applied and the ceiling is covered with finishing putty. All defects on the putty are sanded with sandpaper. All that remains is to paint the dried ceiling again.
If you plan to whitewash the ceiling, it is best to apply two layers of whitewash after the flood. You can just whiten it in two layers yellow spot, but only if it is small in size.
Can . You can use bleach or any other product that contains chlorine. Many even use toiletry product Duckling.
In order to remove yellow stains with bleach you need to:
- Clean the surface from damaged finishing materials with a spatula.
- Pour the whiteness into a container and prepare the sponges.
- Use a sponge soaked in bleach to carefully wipe away the yellowness, moving from the edges of the stain to its center.
- When the sponge turns red, it needs to be washed or replaced.
- When the ceiling dries after treatment, you can begin Finishing work.
Preparations for removing yellow spots
Instead of bleach, you can use some other products. Which also effectively remove yellowness.
For example, by diluting 250 g of copper sulfate in a liter of water, you can even remove rusty streams. They always wear gloves and use sponges to wipe away traces of the flood. Many owners use warm copper sulfate in such cases. To do this, you need to dilute 500 g of vitriol in 5 liters of water and heat the solution to 70 degrees.
If copper sulfate does not work, then add 250 g of grated laundry soap to the solution, as well as 40 g of drying oil. The resulting solution wipes away the stains.
More dangerous, but also the most effective method- This is the treatment of stains with hydrochloric acid. A 3% hydrochloric acid solution should be heated to 40 degrees, and then the stains should be washed with it.
You can also use a homemade mixture to remove traces of a flood:
- Mix 2 parts chalk and part citric acid.
- Add some pharmaceutical glycerin and a little water to the resulting mixture.
- The mixture is applied thickly to the stains on the ceiling and left for 40 minutes.
- All that remains is to wash the ceiling warm water and repeat the procedure again if necessary.
Fighting rust
To get rid of rusty stains after a flood on the ceiling and walls, copper sulfate will again be useful. The product is poisonous, so you must work in personal protective equipment and with open windows.
Bright red stains can be removed. You will need:
- Copper sulfate 10%.
- Brown laundry soap 72%.
- Bone glue.
- Drying oil.
- Sponges or brush.
You should grate the bar of soap. And then mix the shavings with 250 g of vitriol. 200 g of glue and 50 g of drying oil are added there.
Before work, you need to thoroughly clean the stains to the possible depth. Then the prepared mixture is applied to the stains with a brush or sponge.
You can do something simpler if rusty streaks appear on the ceiling. To do this, the affected area is treated with vitriol, then primed, puttied, and painted over. It is best to use oil paint, which forms a dense film. Rust will not appear through this film again. If the ceiling was painted before the flood water-based paint, then you can use it for repairs.
Plastic and stretch ceilings
PVC ceilings are susceptible to mold. Voids are an ideal place for fungi to spread. A temporary measure, if it is necessary to remove yellowness and mold from a stretch ceiling, is household bleach with chlorine, such as Belizna. Such products help to quickly clean surfaces, and their evaporation inhibits the development of fungi. But completely with the help of bleach suspended ceiling traces of mold and yellowness cannot be eliminated. There is only one way out - repairing the ceiling. Otherwise, polymer ceilings are very unpretentious, and they can be simply washed even with a dishwasher or washing powder.
Drywall
If a plasterboard ceiling is flooded, you must first use coarse sandpaper to clean the surface as deeply as possible. Surrounding objects need to be covered, as a lot of dust will fly.
Then, using a spatula, apply a medium-viscosity starting putty. After it dries, the finishing mixture is applied. When the ceiling is completely dry, it must be sanded. This time the sanding is done with the finest sandpaper.
When the surface becomes perfectly smooth, it needs to be primed. But doubts may arise when it comes to painting. Perfect solution– this is painting the entire ceiling so that there are no streaks left. But many owners repaint only the area damaged during flooding. At the junctions of the ceiling and walls, brushes should be used so that there are no islands left that are not covered with paint.
Stains after painting
Sometimes, after repairs, it may turn out that yellowish stains still remain. Most often, the decision is made to paint the surface again. But this won't actually solve the problem. How to neutralize errors in work and what are their causes?
If the paint was too thick, it could go on unevenly. Must choose liquid paint, which will lay down in a thin and even layer. If the work was carried out too slowly, the paint could harden before the second layer was applied. This way all the joints between strokes become very noticeable.
If the roller was too fleecy, then the paint layer could lie unevenly. You only need to select quality tools for work. Poor quality primer can also be to blame for poor painting.
If the work was carried out in poor lighting, it may turn out that it was performed poorly. The work site must be well lit. You cannot apply paint in only one direction.
To correct errors, you can sand all imperfections with fine sandpaper. Sand until the surface is smooth.
You can apply the finishing mixture again and then lightly sand again. It is necessary to prime twice before painting. After priming, you should paint the ceiling twice to prevent yellowing and rust from appearing.
Prevention
When carrying out major repairs, it is also necessary to make sure that the ceiling is well insulated and check how far the pipes extend. It is imperative to monitor the condition of pipes and sewers and replace them in a timely manner. The simplest solution is plastic ceiling or tension, which is easy to clean.
You should not allow the ventilation to become clogged, and you should also organize your life in such a way that there are no various incidents.
It can be a very annoying situation when, after a recently completed renovation, your neighbor drowns you and on the ceiling, even after it has completely dried, yellow spots suddenly appear, increasing in size.
The reason for this unpleasant event is the interfloor slabs that were not completely dry.
Even if the plaster on your ceiling has dried, stains may still appear after a while. If the house is old or even new, but the pipes engineering systems If the ceilings are touched by rust or the reinforcement in the monolith rusts, sooner or later it may also appear on the ceiling, especially if the corrosion process is accelerated by flooding.
Most The best way eliminate the consequences of this event - file a claim with the neighbor above and ask him to eliminate the consequences of the utility accident. However, it happens that you don’t want to spoil relations with your neighbors, and the trouble isn’t that great. In this case, you can try to eliminate the consequences of the flood yourself.
Let's figure out how to remove yellow spots, rust and smudges on the ceiling after flooding and leaks from careless neighbors.
So, what should you do if there are yellow spots left on the ceiling after a flood? When working on any damp ceiling, the first step is to turn off the electricity at the meter. You don't yet know where the water leaked or how close it got to the wiring.
Method 1 – mechanical
This is the most common method and does not require any chemicals. Clean with a spatula old paint, putty, plaster, until this is possible or until we remove the damaged surfaces. We wipe the exposed area with a damp cloth and wait a little until the ceiling dries. After this, apply a deep penetration primer with a roller.
We take the finishing putty and apply it to the ceiling with a spatula. We level the surface and wait for it to set. By using sandpaper We polish surface defects, preparing the ceiling for finishing. Then we prime it again with the same primer.
At the end, we paint the ceiling again with a roller or brush. If there is any doubt that the shades old paint job and the new one are identical, you will have to paint the entire ceiling again. The ceiling is usually painted in 2 layers.
If you use whitewash, you need to apply it in 2 layers after preliminary preparation. You can simply whiten a stain if it is small: the area is washed away, primed, and whitewash is applied in 2 layers.
Method 2, chlorine-containing
So, the flood has stopped, the ceiling has dried out. How to get rid of traces of disaster and how to remove yellow stains on the ceiling after a leak?
You will need:
- bleach or other chlorine-containing product (this could be ACE bleach or even toilet bleach Duck);
- rubber gloves (wear old clothes so that drops of white, accidentally falling on them, do not spoil your home clothes);
- 2-3 foam sponges or small foam roller for painting;
- container for the solution (a paint container will do).
First you need to clean the ceiling from previous layers of finishing materials and plaster. Then pour the white into the container, put on gloves, soak a sponge or roller in the solution and start processing.
Apply the sponge to the stain and hold in this position for 5 seconds. Then blot again and process again. In this way, go over the entire area of the stain.
The moment the sponge turns red, it should be changed. Thus, the ceiling should be treated until the stains are as light as possible. After treatment, you need to wait until the ceiling dries and carry out finishing work.
Advice. If you have it on hand hydrochloric acid, you can carry out treatment with a 3% solution of hydrochloric acid heated to 40 degrees.
Method 3 to fight rust
It is much more difficult to cope with the consequences of a utility accident if the leak affects rusty pipes in interfloor covering, and along with ordinary water, rusty particles leaked onto your ceiling. How to remove rust from a ceiling after a leak?
To effectively process bright red stains you will need:
- 10% copper sulfate;
- ordinary red laundry soap;
- bone glue;
- drying oil;
- latex gloves;
- roller, sponge or brush.
To prepare the mixture, mix 250 g of vitriol, the same amount of soap shavings, bone glue and 40 g of drying oil.
You should also clean off the plaster and paint layer to the maximum possible depth. The mixture is poured into a container, the roller is dipped into the mixture and the entire area is processed.
You can simplify this method a little. That is, treat the affected area copper sulfate, prime, putty and after putty paint over with oil paint. Oil paint forms a fairly dense film on the ceiling; the stain will not appear through it again. Then, if the ceiling was previously painted with water-based emulsion, paint over the entire surface with it.
Important! If the stain appears again and again, until you create a waterproof film in this place, all efforts will be in vain: the yellow stain will appear again and again.
Method 4, to save tension fabrics
We cannot discount the situation when the ceiling is suspended and stains on the main ceiling, in principle, do not matter. But if there was a leak and the water was safely drained from the stretch ceiling, yellowness may appear on tension fabric. In this case, you should call the installer and ask what paint can be used to paint this canvas.
Depending on the type of fabric, processing can be carried out. Fabric canvases can be dyed up to 5, and sometimes even up to 10 times. You should try to clean PVC films with soapy water or regular dishwashing detergent.
In the very difficult case You will need to treat with regular soda ash. A 5% solution will help to clean the canvas, which should be applied to the painted area, wait until it dries, and then rinse with warm water. This procedure can be repeated several times until the stain completely disappears.
Method 5 to save plasterboard ceilings
The same misfortune can befall owners of beautiful, high-quality plasterboard ceilings. Unfortunately, moisture damage to drywall can be especially severe, because the moisture will spread inside the gypsum board. In this case, the sheet of drywall will not only turn yellow, but also swell and become deformed.
Important! If you suspect that the leak was severe, you will have to pierce the sheet with a knife or a long screwdriver and drain all the water. then proceed to reconstruct the ceiling.
Using the tapping method, you should determine the size of the affected area and try to replace part of the sheet. Most often you have to change the entire sheet completely(which, of course, is dreary and unpleasant, but still possible), and then carry out complete finishing work.
About yellow spots
The easiest way to solve the problem is if a ceiling lined with plastic leaks. PVC panels and they were left with a yellow coating. To eliminate these troubles, simply wipe the PVC panels with a damp cloth.
There are many different methods, tested and not so tested, against yellow spots. In some cases it may help primer on water based for painting over stains, which is sold in construction hypermarkets.
Someone simply paints over the surface with water-based emulsion latex paint Beckers Nondrop. Anyone will do paint material, which creates a durable dense film on the surface of the ceiling.
How to remove condensation on the ceiling
Condensation can form on the ceiling in a bathhouse, in a garage, on a loggia, and even in a living space if there is an unheated non-residential space above it. This is not a particularly good phenomenon and causes gradual corrosion and structural failure, which must be dealt with.
Condensation usually appears in poorly ventilated areas and, first of all, the ventilation system should be checked or installed. Ceiling insulation will help eliminate condensation. Insulation can be done with mineral wool insulation or extruded polystyrene foam.
If condensation appears on the ceiling of a cellar or garage and there is access from above, then you can sprinkle the floor with expanded clay, sawdust, or spread the same mineral wool material to insulate the floor.
The same method applies to the case if condensation appears on the ceiling of a room in a private house, and on top unheated attic. In this case, it is enough to insulate the attic floor.
Should know
When stains appear on the ceiling, the most important thing is to find the cause of their occurrence. Because if you think that your neighbor is flooding you, but in fact the leak is caused by a burst of pipes in the interfloor ceiling, no cleaning and finishing work will help you until representatives of the housing office repair the pipes.
In a private house, yellow spots on the ceiling may form due to a leak in the roof. Then you should also find out the place through which water penetrates inside and carry out waterproofing work.
Likewise, if, tired of fighting the yellow stain that constantly appears as a result of leaking rusty pipes, you decide to make a stretch ceiling, this will not lead to anything good. Sooner or later, a fungus will appear at the site of the leak, which has the ability to quickly grow and spread.
Probably no one will be pleased if you know that behind your stretch ceiling there is a blooming space. You will still have to find out the reasons for its appearance and eliminate the leak.
Video
Watch a useful video on how to remove yellow stains after flooding on a ceiling covered with water-based paint:
Living in an apartment always involves the risk of it being flooded by neighbors above. Of course, not all owners have to deal with such problems, but if the apartment is already flooded, then they have to figure out how to eliminate the consequences of this unpleasant factor. The most noticeable part of the problem is the appearance of streaks or damage on the ceiling. This article will discuss how to remove stains on the ceiling after an apartment is flooded.
Concrete floor with whitewash
Regular concrete slab ceilings very often act as the main ceiling in an apartment. Finishing material V in this case is whitewash. Repairing the ceiling after a flood under such conditions will be quite problematic, but still possible.
To remove yellow spots on the ceiling after flooding, you can use one of the following methods:
- Mechanical repair of the ceiling;
- Chemical repair;
- Combined method.
The last option is quite relevant - flooding often leads not only to the appearance of stains, but also to other damage, so to restore ceiling decoration a complex of operations may be required. Of course, before you remove smudges from the ceiling, you need to consider available methods, used in such cases.
Mechanical repair of the ceiling after flooding
Restoring the ceiling after flooding is carried out as follows:
- Before you remove stains on the ceiling after a flood, you need to assess the extent of the damage. If, as a result of flooding, the putty or plaster has crumbled, then this layer of coating must be removed. The resulting bubbles are broken with a hammer, and all flaking elements are removed using a spatula. Stains that have reached entire areas of the coating will also have to be completely scraped off or cut down. The cleaned ceiling must be left to dry completely.
- In ceilings that have undergone leakage, there may be metal elements. Of course, exposed fittings located next to the rust must be restored and must be separated from the ceiling finish. It is recommended to carefully tap the concrete with the sharp edge of a hammer to find delaminations.
- Metal elements discovered during the inspection must be cleaned with a steel brush or sandpaper to remove rust from the ceiling. Subsequently, the metal is covered with two layers of paint, and it is advisable to select compounds that can neutralize rust. Protecting the ceiling reinforcement will prevent further staining on the ceiling, which can occur due to moisture remaining in the concrete.
- When the paint has hardened, the damaged areas of the ceiling must be treated with a primer. Suitable for this different compositions– for example, an aqueous latex solution in a ratio of 1:3. In the absence of visible metal parts the repair technology does not change - the ceiling is still primed, since in the future it will be covered with a finishing finish, for the application of which the structure must have good adhesion.
- To fix potholes and dips ceiling structure, you can use moisture-resistant cement-based leveling compounds. A good option for this composition would be tile adhesive. In any case, the composition is prepared for work in accordance with the instructions attached to it and applied in layers to the ceiling. After applying each layer, you need to give it time to set, but you shouldn’t wait until it hardens completely.
- After preparing the ceiling, all that remains is to carry out final work, covering the ceiling with a fine finish. Typically used for this gypsum putty. It is applied in several (usually two) layers, leveled and left in this form until it dries. In the future, you will need to sand the coating so that it is as smooth as possible.
- Before painting over the stains on the ceiling, it will need to be treated with a primer again. Of course, to completely eliminate stains and provide uniform coverage, the ceiling will have to be covered with several layers of paint, the number of which directly depends on the saturation of the composition.
As one can conclude, the repair technology is quite complex, and such restoration will require a lot of effort and financial costs. But these shortcomings are compensated high quality such repairs.
How to remove stains on the ceiling using a chemical method
In the presence of high-quality waterproofing floor in the apartment from above and if the flooding was eliminated as soon as possible, then it will be easier to solve the problem of damage to the ceiling. The thing is that under these conditions the risk of damage to the finish is not so high. That is why it is likely that the only damage will be red spots on the ceiling and characteristic stains.
You need to understand that washing stains from the ceiling is not one operation, but a whole set of measures. The problem is that the characteristic yellow spots that appear on the ceiling after flooding are not uniform damage, so choosing a universal solution to this problem will not work. When deciding how to fix a leak in the ceiling, it is worth considering that mechanical method repair is more effective, but with the help of chemistry you can achieve the right result.
Ceiling stain removal technology chemically consists of the following steps:
- Before cleaning leaks on the ceiling, you need to remove a layer of paint from the surface of the ceiling. Since the ceiling is already wet, this operation will require minimal effort. There is no point in hoping that wet paint is not damaged - its structure is guaranteed to be destroyed when exposed to water, and further coverage it will simply peel off, so it would be much safer to completely renew it.
- The dried ceiling must be degreased to remove from the surface various oils that have entered the ceiling along with water. For this operation you can use any suitable composition– for example, a nitro solvent. Degreasing will make it possible to remove contamination on all layers of the structure, and not just on its surface. A clean piece of cloth is quite suitable as a tool for applying solvent.
- Next, the prepared ceiling needs to be rid of coloring pigments, due to which stains appear on the ceiling. Any will do household chemicals, intended for cleaning. The main condition is that the substance must contain chlorine. Since chemicals discolor any colors, before work you need to make sure that the floor is not damaged due to the product dripping down. The ceiling is cleaned using a sponge. You should not keep a sponge soaked in bleach on one area for too long - as a result, the putty may begin to crumble, and the ceiling will have to be refinished.
- At some point in the process, the stain will stop losing color. As soon as this happens, you will need to stop the operation and leave the ceiling in a soaked state for about an hour - thanks to this, the chlorine will stop interacting with the stain. This important point, which must be taken into account before whitening yellow spots on the ceiling.
- After an hour, the ceiling can be washed further, but this time you need to use ordinary detergents - for example, laundry soap or washing powder. This operation allows you to solve two problems at once - firstly, to remove all usual contaminants from the ceiling, and secondly, to wash out the chlorine remaining on the ceiling.
- Final stage work – washing the ceiling clean water. As a tool, you can use a sponge or a piece of foam rubber. At this stage, it is necessary to completely remove all traces of detergents from the ceiling surface.
Of course, the result of cleaning the ceiling will not be noticeable immediately. It will take a couple of days for the structure to dry completely. Moreover, the probability complete removal yellow spots using chemical method minimal in at least one stage. However, if you mask the damaged area with paint of the right color, you can postpone more radical methods until the next time. full repair. That is why, before painting over a leak on the ceiling, you need to select suitable paint– even a temporary solution should be of sufficient quality.
Plasterboard ceilings and stains after the flood
To equip ceiling structures, moisture-resistant plasterboard sheets are often used, designed for use in conditions high humidity. However, if we are talking about flooding, then even protected sheets will not be able to remain intact - gypsum tends to absorb water, so the structure will have to be repaired. There is no clear answer to the question of how to remove stains from a plasterboard ceiling after a flood.
If the volume of water was not very large, and the ceiling structure did not interact with it for long, then the repair technology will directly depend on finishing plasterboard ceiling:
- Dye. The wet layer of paint must be removed before it dries. You need to work carefully - the sharp edge of the spatula may well damage the sheet of drywall if you do not use it carefully. The dried finish is primed with a water-latex solution, and gypsum putty is applied on top of it (after the next hardening). Next, the coating needs to be sanded, treated with a primer and covered with new paint. It is worth remembering that even with the right paint, the damaged area will still be noticeable.
- Ceiling wallpaper . When the ceiling is flooded, the wallpaper glued to it usually peels off and becomes covered with red spots. It will not be possible to restore their original appearance using any methods, ranging from simply trying to remove stains to replacing the damaged area. The simplest solution is to return the dried wallpaper to the repaired plasterboard ceiling and paint it.
Sometimes plasterboard ceilings used without finishing. Of course, such situations are extremely rare, but you need to be aware of them. In case of flooding, the primary task is to restore the original technical characteristics drywall, and not its visual data.
When figuring out how to remove rust from a ceiling after a leak, you need to immediately pay attention to the most obvious way to solve the problem - complete replacement damaged sheet. However, you can also replace a separate piece of drywall, for which you will first have to cut out the damaged area and fix it on the ceiling wooden blocks(or metal profiles), to which you can attach a patch.
The patch is cut so that after installation there is a gap of about 5 mm around the entire perimeter. Having secured this fragment with wedges, you need to align it with the level of the rest of the ceiling structure. To fill the joints around the perimeter of the patch, use special mixture. After the mixture has completely hardened, the wedges are removed, and all remaining irregularities are filled with putty.
Repair of PVC tiles
PVC tiles themselves have good resistance to water, so flooding of the ceiling will not affect the performance characteristics. This statement does not apply to the visual side of the issue - stains appear on tiles in the same way as on other materials. It will not be possible to wash the tiles, since contaminants are absorbed into them due to the low density of the material.
However, you can get rid of the problem even in this case - all you need to do is perform the following series of operations:
- First you need to thoroughly wash the tiles using foam rubber and detergents (compositions with chlorine can also be used);
- Then the tile is primed with a latex compound, due to which a protective film layer is formed on the material;
- When the primer has dried, the tiles can be coated with water-based paint of a suitable color.
The technology is quite simple and almost completely copies the algorithm for conventional painting. ceiling tiles. To understand the details, it is worth studying the article on this topic.
Repair of suspended ceilings
It also happens that the suspended ceiling is flooded by neighbors, and something needs to be done about it. Stretch ceilings, although considered one of the most leak-resistant, are still susceptible to water. Even if the volume of water was not very large, and all the consequences of flooding have long been eliminated, yellow spots on the stretch ceiling may still appear. The fact is that water marks do not appear immediately, but gradually appear on the canvas.
The most common conditions look like this: a special elastic film is used as a canvas, and the cause of the appearance of red spots is water entering from above the apartment. The simplest option for eliminating damage would be a suitable means for cleaning a stretch ceiling. Such products are produced in the most different formats– gels, sprays, various solutions, etc. The cleaning agent must be used strictly in accordance with the instructions.
If there is no opportunity to use such means, then you will need to think about how to bleach the ceiling using improvised means. For example, you can make a tampon from gauze and cotton wool. Such a tampon is wetted in a 10% solution ammonia, after which they need to wipe the stain, going into clean areas. To complete the work, you will need to wash the entire ceiling with ordinary detergents - then the ceiling surface will look uniform.
Another good option is soda ash. It is diluted with water to a 5% solution, after which the resulting composition is applied to the contaminated areas of the ceiling. The dried solution is washed off from the ceiling surface with warm, clean water. However, if we are talking about using film ceilings for cleaning, then most will do. suitable means– you can’t use aggressive compounds. It's all about smooth surface stretch ceiling, which is quite easy to clean.
If you used to decorate the ceiling fabric cloth, then the stain removal process may take longer. The list of acceptable products is the same as in the case of film materials - but they can only be applied and washed off with soft bristled tampons. Detergents must be designed for delicate work. To get rid of very strong stains, it would be better to replace the canvas or contact a specialist.
Conclusion
Ceiling flooding is a serious problem that can cause characteristic yellow stains to appear on the surface of the ceiling. There are several ways to solve this problem, so before removing the stain on the ceiling, you need to take into account the features of the ceiling and finishing. If the ceiling itself remains undamaged as a result of the leak, then the problem will be purely cosmetic in nature, so you can get rid of it as soon as possible radical methods, and using temporary methods that only allow you to mask the damaged areas.
I greet the distinguished meeting and ask for advice. Just recently made good repair in the apartment, in particular, I leveled and painted the ceilings with rather expensive paint. And now, due to a burst of pipes in the upper neighbors during the heating startup, all my work and expenses were in vain. On the surface in one of the rooms there are large yellow stains. Tell me how to remove yellow spots with minimal cost?
I don’t want to quarrel with my neighbors and I won’t – these are very elderly people. They don’t have the money to pay for compensation, and they won’t do the work themselves. You'll have to do everything yourself again.
Alexander
How to remove yellowness and stains after flooding
Hello, Alexander. You were unlucky in particular, we sympathize with you. And it will take a lot of tinkering to return the ceiling to its previous appearance.
The main thing is that this situation does not happen again, so it is advisable to get management company audits and overhaul all old pipes in the house.
Ways to eliminate yellow spots
The nature of the spots may vary. If it's just dirt from washed-out cement, then it will be the easiest thing to get rid of. It’s worse if water seeped through old rusty pipes, metal fittings and fittings, causing them to corrode and washing all of the above to the surface.
It is important. There are several ways to get rid of yellow stains on the ceiling, but before you apply them, you need to wait until the ceiling has completely dried and clean it down to the base of the old coating.
Method one - putty
Whatever your ceiling is finished with, the coating from the damaged area will have to be mercilessly removed using a spatula or power tool. It is advisable to free the ceiling even from plaster. After which it must be rinsed with clean water and allowed to dry.
Remove the consequences after flooding and whiten the surface
Further instructions are as follows:
- Treat the exposed area with a deep penetration primer;
- After it dries, level the surface with putty. Its type and number of layers depend on the thickness of the finish in undamaged areas, since you need to bring the entire ceiling to one level. In any case, the last one is applied thin layer finishing putty;
- Sand out minor imperfections plaster mesh or sandpaper;
- Apply primer again;
- Paint the repaired area the same color as the rest of the ceiling.
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 stains from the ceiling and how to prevent their reappearance in the future.
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 They saturate 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 that a long description of their appearance would be unnecessary here, since 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
- 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-based 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 appearance your ceiling, but are also very harmful to health and can cause allergies. Fighting them is difficult and rarely works out. simple repair 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”.
Advice: Oily stains on a suspended ceiling are washed off using soft fabric lint-free or sponge using detergent for dishes.
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 the 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. This method is said to be very effective and does not leave streaks.
Fungal spots
