Maybe the room needs some air, trying opening the window for some time each day. It may be due to the heater.
Some vinegar on a cloth and wipe it off.
If the wall is too cold there might be the issue that room humidity condenses between wall and wallpaper which will lead to more, hidden, mold.
If it is cold then check the door. Is it leaking/letting in cool air? Switch out the insulating band in the frame if that’s the case.
Some doors have a hinge at the top to allow opening the door partially (kippen). Those hinges love to let air through, which will then fall down and cool down the wall.
I use “Molto Schimmel Stopp” for it. I got it at the DIY market.
Go to local supermarket (or amazon, whatever), look for Schimmel spray. I use Sagrotan but I guess most of them will do the job. Looks like a light case of mold so just spray on it and the mold will disappear. Don’t forget to air the room afterwards.
It’s a good idea to spray the area after a day or two even if the mold is gone.
“DiD yOu VeNtIlAtE tHe RoOm PrOpErLy?” -every landlord
Mold spray or wiping it off won’t get rid of it permanently. Use white chalk paint. Due to the change in the pH the mold will die underneath and no new mold will grow on it. It is important to use the paint as instructed, so paint at least twice and let it dry slowly.
How I know? I am in a student dorm with a moldy bathroom without window. Took matters in my own hands and am mold free for ages.
We were told to turn the heaters at 3 from our landlord.
Sacrefice the house to the worm.
Edit: looks like a worm in the wall and i am terrafied
There are sprays you can buy. Just spray on it and rub it off. And then brush it with an anti mold.
50/50 mix of bleach and water in a hand held sprayer. Leave for a few minutes and then wipe down.
If mold appears in some corners of the room, it is more likely a building problem, e.g. a broken leaking water pipe that is wetting the wall, or a bad insulation at that area (e.g. we had this in your house some years ago when water in the shower sept through a gap between the wall and the shower tray, I resealed it properly with silicone and the wall dried out again).
But if it appears on the side of a window frame, it almost always is caused by wrong ventilation. If you keep the window tilted all day, cold air from outside will cool that part of the wall down, and humidity will condense there, and the water seeps into the wall. If it is wet, mold can and will grow happily.
Sure, your first step to remove it is to wipe it off with some acidic stuff, e.g. vinegar or chorine bleach. Preferrably not only wipe off, but let it work there and kill the mold a few millimeters into the wall. You might need to remove the wallpaper so the plaster can soak up the acid like a sponge (might not be necessary here, it is only a small spot still).
But you need to remove the reason for the wet wall, either by calling the landlord to repair the appartment if the first case applies, or in this case by operating the window properly:
On warm days, it is pretty irrelevant what you do, but on cold days (let’s say below 15°C, the lower the more important), the windows should stay closed completely most of the time, and when you want to ventilate, you rip it wide open completely and let the air in and out for like 5 minutes (or even just 1 minute might be enough), then shut it again completely. It also helps to open the doors as well and open all windows on all sides of the house/apartment, to make a draw.
That way, the surfaces inside the room stay warm, and you don’t lose much heat, it will be warm again pretty fast, but you have completely new fresh air. A tilted window for hours on end will only make it lose heat and is just ineffective for air circulation.
White vinegar kills mold….
Air out the flat like twice a day. Open all the windows and doors for like 10 minutes to get out all the humidity and old air.
13 comments
Maybe the room needs some air, trying opening the window for some time each day. It may be due to the heater.
Some vinegar on a cloth and wipe it off.
If the wall is too cold there might be the issue that room humidity condenses between wall and wallpaper which will lead to more, hidden, mold.
If it is cold then check the door. Is it leaking/letting in cool air? Switch out the insulating band in the frame if that’s the case.
Some doors have a hinge at the top to allow opening the door partially (kippen). Those hinges love to let air through, which will then fall down and cool down the wall.
I use “Molto Schimmel Stopp” for it. I got it at the DIY market.
Go to local supermarket (or amazon, whatever), look for Schimmel spray. I use Sagrotan but I guess most of them will do the job. Looks like a light case of mold so just spray on it and the mold will disappear. Don’t forget to air the room afterwards.
It’s a good idea to spray the area after a day or two even if the mold is gone.
“DiD yOu VeNtIlAtE tHe RoOm PrOpErLy?” -every landlord
Mold spray or wiping it off won’t get rid of it permanently. Use white chalk paint. Due to the change in the pH the mold will die underneath and no new mold will grow on it. It is important to use the paint as instructed, so paint at least twice and let it dry slowly.
How I know? I am in a student dorm with a moldy bathroom without window. Took matters in my own hands and am mold free for ages.
We were told to turn the heaters at 3 from our landlord.
Sacrefice the house to the worm.
Edit: looks like a worm in the wall and i am terrafied
There are sprays you can buy. Just spray on it and rub it off. And then brush it with an anti mold.
50/50 mix of bleach and water in a hand held sprayer. Leave for a few minutes and then wipe down.
If mold appears in some corners of the room, it is more likely a building problem, e.g. a broken leaking water pipe that is wetting the wall, or a bad insulation at that area (e.g. we had this in your house some years ago when water in the shower sept through a gap between the wall and the shower tray, I resealed it properly with silicone and the wall dried out again).
But if it appears on the side of a window frame, it almost always is caused by wrong ventilation. If you keep the window tilted all day, cold air from outside will cool that part of the wall down, and humidity will condense there, and the water seeps into the wall. If it is wet, mold can and will grow happily.
Sure, your first step to remove it is to wipe it off with some acidic stuff, e.g. vinegar or chorine bleach. Preferrably not only wipe off, but let it work there and kill the mold a few millimeters into the wall. You might need to remove the wallpaper so the plaster can soak up the acid like a sponge (might not be necessary here, it is only a small spot still).
But you need to remove the reason for the wet wall, either by calling the landlord to repair the appartment if the first case applies, or in this case by operating the window properly:
On warm days, it is pretty irrelevant what you do, but on cold days (let’s say below 15°C, the lower the more important), the windows should stay closed completely most of the time, and when you want to ventilate, you rip it wide open completely and let the air in and out for like 5 minutes (or even just 1 minute might be enough), then shut it again completely. It also helps to open the doors as well and open all windows on all sides of the house/apartment, to make a draw.
That way, the surfaces inside the room stay warm, and you don’t lose much heat, it will be warm again pretty fast, but you have completely new fresh air. A tilted window for hours on end will only make it lose heat and is just ineffective for air circulation.
White vinegar kills mold….
Air out the flat like twice a day. Open all the windows and doors for like 10 minutes to get out all the humidity and old air.