/diy/ - Do It Yourself

>>2008312
You have to find and stop the source of the water

To kill mold, dilute some tea tree oil, spray, wipe, prime with shellac based primer and repaint

>>2008312
It could be condensation in a cold corner, or byd hydroizolation from the outside. In both cases you are essentially fugged, unless it's your house and you are willing to invest a shitload of money into it. All you can do it to kill the mold with bleach and repaint, maybe try some paint with fungicides in it.

>>2008312
Dehumidifiers
But kill it with bleach or vinegar first.
Seal any points of water coming in.

>>2008312
probably shit insulation around window frame if there is any
if there is no insulation around it its effect of cold spot where wall is thinnest
you can either raise the temperature or lower it to move dew point in or out or provide better airflow to remove condensation
I'd recommend more airflow with warmer air
if you got radiator in front of that window make sure its on, there is no curtain or crap on top blocking it

>>2008312
Do Europoors really?

Thanks for the advice. The walls are also pretty cold. The windows have condensation. The mold in small parts is in the corners of the wall in which the window is located. Also beneath it. There is a radiator right beneath the window. It's on. Almost always. There are no curtains. The walls are like pic related as in they are brick. The color of the wall in the most wet areas is cracking and bubbles of sorts are forming. From water probably.
Would better insulation fix this? I have no idea. Should it just be applied in the place surrounding the window? What about the "normal" part of the wall?

>>2008367
First block where I had this problem. I guess it's because we don't have outer insulation.
The wall behind the radiator is about half width from the rest of it. Directly below window.

>>2008371
> I guess it's because we don't have outer insulation.
Well there's your problem.

>>2008372
>>2008371
Also post temperature inside, humidity inside and outside temp.

>>2008371
It’s a rental, it’s not your responsibility to fix. If you can’t hold your landlord responsible then you live in a horrible place.

>>2008312
You have mold because of condensation. Why do you have condensation? Right, because window opening is not insulated at all.
So, you should install insulation board and plaster it. Or PVC trim or whatever you call it, it will hide the mold and will prevent air from condensating on that cold corner and causing mold.

Make sure you have radiators near windows, crank them up.

It's a commieblock. I used the wrong term. Live here.
Temp inside is 21C, outside 0C. No idea with the humidity. But I can tell you that from the span of a few hours that I wiped the window dry on it's bottom part there are already droplets forming. It's going to rain. Probably not that helpful but that's what I've got.

>>2008312
hehe mold mear plastic windows means bad ventilation and air flow

need to scrub plaster deep, kill mold with ur favorite chemical mold remover, let it dry then refill and paint

and ofc fix condensation issues

I have mold and feel like I am slowly getting sick.

Work harder, get a nicer place. Good luck bro.

>>2008428
Okay, temp 21c with humidity 40% gives you dewpoint of 7c. So when you walls are 7c water will condense on them. If your humidity is above 40 % you can lower it some and that will reduce the problem - with 30% humidity dewpoint is only 2.7c. Its not exactly healthy, but probably healthier than mold. In winter lowering humidity is really easy, you just increase ventilation.

>>2008799
>>2008367
>>2008372
F***, I paid a lot of money for my place, now I'm getting sick in this mold trap.
I'm contemplating putting up a makeshift bed in my kitchen or asking if I can live in my parents vacation house.

I am a poor European.
Today I have to sleep in the kitchen because the bedroom and living-room has mold and I am already sick.

>>2008312
>>2008994
Sounds like he should ghetto rig a heat exchanger from corex and hook it up to a window. You'd be surprised by how few properties on the continent have proper hvac systems installed.

>>2009011
Please keep posting how you aren't taking advice seriously and are suffering because of it.

>>2009078
Please continue to be baited by burgers posing as euros and pretending to know anything about it.

As people have said. Looks like condensation on your window reveal. Warm, humid air meeting a cold surface results in this. As a low budget fix, turn your central heating on and get your apartment nice and warm. Open that window slightly just to let the humid air out. Scrub thay mold off with some water and bleach, once dry undercoat it and apply topcoat. From then on make sure you open your windows frequently to vent off the humid air.

>>2008312
Spray with bleach solution and wipe off. Repaint if stained. Reapply bleach solution periodically before mold actually forms(every month, every two weeks etc.)

>>2008312
>kill it with PES or Chlorex
>let it dry
>add quat Ammonium salts to prevent next time
>keep room dry
>get air dryer

>bleach

No. Not bleach. Yes, it'll kill the mold on the surface, but it has an ionic surface tension (notice that smooth feeling after touching it?) that prevents it from getting at the roots. You can use the bleach for surface clean, but to kill the roots, you will have to use something else AFTER the bleach dries (or just skip the bleach). Vinegar is good. Someone mentioned tea tree oil. If the mold is widespread, rent an ozone canon. The presence of UVC light can prevent regrowth out of the surface, but in the end, keeping the roots dead means not giving them anything to drink. Lots of good advice here on drying the area off, just the mold kill is going to take more than an anime meme.

Also, while killing the mold, have a fan venting air out the window. When mold is disturbed, it panic releases spores. Send them outside.

>>2009137
This to remove

>>2008423
This to keep it away. The problem is your windowpanes being colder than the rest of the room, thus getting condensation.
>>2009149
Doesn't matter, if it's moist it grows, if it's dry it doesn't. It's a matter of conditions whether mould grows.

>>2008312
>The walls are pretty wet
you are supposed to ventilate (open windows, preferably with deactivating radiator) every now and then
if water condensates in your room or on the window, humidity is too high and you have to open the window
>Please help this noob
the mold is just on the surface, you can wipe it away with a fungicide or just vinegar
paint your room with chalk colors to permanently prevent mold from growing on it

>>2009078
Most of the mold was hidden behind curtains so I did not know until it was tool late. I have cleaned some of it off and placed a dehumidifier in the bedroom. Now I'm lying on the kitchen floor in agony.

>>2009193
>placed a dehumidifier in the bedroom
or you could just vent your room
is a dehumidifier really necessary?
>I have cleaned some of it off
pics?
>Now I'm lying on the kitchen floor in agony
do you live alone?

>>2009158
>The problem is your windowpanes being colder than the rest of the room, thus getting condensation.
Not window panes, but opening itself. It is commie block, so this all is just a lump of concrete sitting outside. Shit can get pretty cold.

In ye old days, it was a leaky windows (two single pane windows), and they were drafty, and this draft kept this place dry. Then they came up with super tight windows, they don't allow any draft and shit is still cold, so you get condensation and mold. Which is why this opening must be insulated

>>2009158
>This to remove
Got the same problems with my shower gaps. Mixing hydrochloric acid, vinegar and hydrogen peroxide (exact amounts) and than its dead within 5seconds and bleached at the same time. Important to add some carbonate right before cleaning the gaps. Acids arent good for some shit

>>2009193
>Most of the mold was hidden behind curtains so I did not know until it was tool late.
Can you show photos of this pizdec?
>. I have cleaned some of it off and placed a dehumidifier in the bedroom.
I think you're better ventilating, because breathing mold is 10/10
>>2009011
>be eastern european
>can't handle mold
Fucking western spy I swear.

Soooo...
1) Clean mold with bleach and detergent
2) Buy mold killing primer/paint and paint over all areas in mean time (so it doesn't grow back instantly)
3) Think about having insulated trim/whatever it is called installed, so you don't have porous concrete or gypsum plaster for mold to grow and you don't that of a temperature drop.

>>2008385
mold is not something that can be brought to the attention of the landlord here, sadly - its that common

>>2009218
whats the solution if you dont want neither, draft, nor mold?

>>2009245
Insulate. Even 2 cm of styrofoam would do the trick. Maybe even 1. Idk how thin they make EPS or XPS

>>2008312
Yes. Insulation is the right way to solve your problem.

>>2009197
I vented the room 2 times, placed a dehumidifier and a big indoor anti bacterial hepa air filter. Anything that helps, the room is contaminated and I am sick and weak.
Yes I live alone.

>>2009253
insulate - sure
but from the inside?
I can't do much on the outside without permit

>>2009332
That`s bad. Because you need exactly **outside** insulation

>>2009353
It is a common problem, but I have never see anybody add styrofoam around the window on a finished house.

>>2009332
>but from the inside?
Yes.
But also, ventilate flat. Install heat recovery ventilation system?
>>2009353
Ideally - yes.
I wonder how do people deal with condensation around in stud houses in, let's say canada. Old houses that are just 2x4 or 2x6 without external insulation. Or wood isn't as bad?

>>2009419
So... about insulation.
Assume there is no concrete, and you only have 10 mm of XPS.
In this calculation it is 20C 55% humidity indoors, and -15C outside, 80% humidity.
As you can see, you have condensation zone inside XPS foam. This is good, because XPS doesn't allow moisture to come through, it is literally a vapor barrier. Outdoor surface is warm and toasty 15C which is above dew point.
By adding insulation, you're moving dew point towards the outside, which is what you want. If there is no insulation, surface temp might be below dew point, and thus condensate.

>>2009429
This is 0.6 cm thick foam...
Anyway, you won't have temps this low anyway, prob around 0C in worse case, so.... 1 cm of XPS will do. Now you need to find XPS this thin.

>>2009419
Old houses dont condense because they dont hold the air in, it just blows out. You need to wear a sweater or your Hester is just pumping hot put into the world.

>>2009419
The mold is mostly on the frame, but also on the wall and glass.

>>2009432
Yes. I posted this above.
Old windows were drafty AF, and in some cases they were just two single pane windows installed on one opening.
In USSR, where you couldn't get any building materials because communism (unless you were working as builder and could steal stuff), people were sticking paper tape on seams to prevent drafts.
>You need to wear a sweater or your Hester is just pumping hot put into the world.
Heat was free back then. It still sorta is in commie blocks. So nobody is improving insulation. Only placed ppl had mold. Like odd poorly insulated wall with no radiator or, well, window sills.
>>2009434
If it was on windows, this is humidity problem, not insulation problem. You just have to ventilate room daily to keep humidity low...
Do you have central heating of sort?

>>2009434
>>2009441
So yeah. In this case, what I would do, is just remove mold with detergent and then bleach, and pain the sill with special mold killing paint. And ventilate the room.

>>2009442
I think I found out what causes the humidity problem, my indoor vent free propane heater.
I suck at everything, fuck me sideways.

>>2008368
insulation on inside is harmful, condensation will occur in same place but with less airflow and cause massive fungal growth
insulation on outside is only way to fix it but your window frame would have to be partially sticking out into layer of insulation
only that eliminates thermal bridging
given circumstances no go
do you have option on that window to unseal it?
sometimes they have like 45degree position on handle that just cracks the seal and allows minimal airflow
Also hanging curtains that cover whole radiator and create upward draft along window might help
try both separate and if that don't work together

>>2009454
>propane indoors heater
What the fuck m8. You are not allowed to have cylinders indoor.
>>2009472
>insulation on inside is harmful, condensation will occur in same place but with less airflow and cause massive fungal growth
Nope. Nothing will grow. Plus, didn't I mention caulk? This way you have no airflow, and thus no moist air coming in contact with cold concrete. This is common practice in russia in order to prevent condensation on sills and such. If it didn't work, nobody would even bother.
>insulation on outside is only way to fix it but your window frame would have to be partially sticking out into layer of insulation
Nobody will let you do this. This is not like private house where you do whatever the fuck you want.
>do you have option on that window to unseal it?
This will kill all benefit of having a nice window. It will cause noise and heat losses.

I'm still sick.

>>2008312
>>2009329
>>2009808
OP I have the solution for you please listen.
The fastest and truely best effective solution for you is to buy an indoor air filter with UV bulb. Allerair is the best, don't waste your money on anything else. This solves a long term solution for you or anyone who may be subjected to unclean living conditions. They are a little expensive, but it is a lifetime investment. This is probably the cheapest one you can get within 2 weeks:
https://theairpurifierstore.com/products/allerair-airmedic-pro-5-air-purifier

This video will quickly break down how it works for you.
https://www.youtube.com/watch?v=ivRN5eY98NQ&t=0m18s

It goes: Prefilter->Carbon Bed->HEPA filter->UV chamber
FOR MOLD YOU NEED THE UV CHAMBER. The other filters will filter particulate matter, and some bacteria and viruses but the UV will disintegrate mold spores and any other biological contaminates. Make sure you order a pack of prefilters with it. Keep that dehumidifier going along with it too.

>>2009853
Fresh air > filter meme.
Do not listen to shill.
100% serious.
Unless you live on highway and your windows get soot.

Oil of cloves diluted in a spray bottle, scrub of without inhaling, spray again. Kills roots, done it several times because I choose to sleep with useless women in shitty apartments from time to time

>>2008428
I have lived an apartment with mold issues and it is nerve wrecking. Nothing you do can fix it. The combination of thin non insulated walls and airtight windows will always lead to condensation. All you can do is constantly harrass the landlord so the buildings outside wall gets insulated. Or you cut out part of the windows seal (best at the top of the frame) to allow for humdi air to escape. But that of cause is damaging the landlord's window.

>>2009166
>the mold is just on the surface
it is not. They mycel of the fungus in in the wall. What you see is just the reproductive organs of the fungus, i. e. the dick of the mold.

>>2008312
are you from Poland ? fuck, mold is common here cause it rains all time
bleach it/vinegar it and buy dehumidyfier from Biedronka
also fix your plumbing

>>2009149
>When mold is disturbed, it panic releases spores. Send them outside.
hmm what if i keep spraying the surface with vinegar ? (in time periods ofc so it won't be too moist) witt it keep spores soaked so they won't prread ?

>>2008342
This.
This is the only practical solution.

>>2011107
>cutting the mold dick off
... it would be extremely painful

>>2008368
Definitely water. Absolutely from improper installation.
>the paint is bubbling
Water is behind it.
>how do I stop the mold
10% bleach and water. Mist it with a spray bottle. Don’t soak it. Just lightly mist it when it’s dry. If it never dries out, it’s a serious problem. Hydrogen peroxide will kill any biological. You can watch it react (bubble).
The windows need fixed, or you’ll always fight the same problem. Water takes the path of least resistance. Once it gets in, it will travel down the wall until it can “escape”. From what you’re saying, the water is getting in and creating a barrier between the paint and the brick. It will either continue to eat away at the brick or paint until it can freely flow.
You can’t stop the problem until you stop the water.

>>2008312
put chlorine and water into a spray bottle and spray the aeria dont wipe it leave the solution to do its thing after a while the black mold will desapear. also a dehumidifier is a good idea to prevent this

>>2008312
1. remove water
2. add heat
3. add insulation if needed

>>2008312
An electric dehumidifier, don't bother with the cheap chemical/crystal things.

I used to sell windows for huge home improvement company. Many times we would put windows in someone's home and boom. The house would blowup with mold. It's because the mold spores where already there my guy. Your old windows had such bad draft it kept fresh air circulating. Then once we sealed up the home with solid hyper efficient windows the environment became perfect for the mold to bloom.

You need a dehumidifier

>>2008367
Yes, they build with bricks not plywood

>>2011873
For dew

>>2008312
>I live in an apartment
Nice, you can just pack up and move. Mold is a bitch to deal with, but luckily this can be someone else's problem within a month.

>>2009245
In Finland, all apartments come with double paned windows and new buildings have strict insulation requirements. Also radiators are usually on full blast (free due to district heating) and there is usually a vent in the bathroom/sauna exchanging air with the outside. The end result is that relative humidity indoors can drop below 10% overnight if you're not running a humidifier.

>>2008312
>permanent solutions
Move.
t. Eastern European.