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PostPosted: Tue May 29, 2018 9:34 pm 
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Hi guys,

So the council painted this wall quite a few years ago and I'm not sure what paint they used at the time.

Unfortunately the paint started to peel and mould spots started appearing (even though we have a bathroom fan installed by the council).

I want to re-paint this wall but when I'm scraping the peeling paint off it seems like it's just growing and the the paint just keeps peeling right down to the plaster in certain areas.

I've attached pictures to illustrate the issue.

Any advice on how to go around making this wall good again would be very much appreciated. I will be eventually using an anti-mould bathroom paint once I can get the wall ready to be painted, but at this point no idea how to get it there.


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bathroom3.jpg
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bathroom2.jpg
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bathroom1.jpg
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PostPosted: Wed May 30, 2018 1:59 pm 
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I can only guess that this must be a very tricky fix :dunno:


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PostPosted: Wed May 30, 2018 2:19 pm 
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It is a bad job. Did the mould marks appear (a) after the paint peeled off or (b) when it peeled off they were already there?

If (b) they painted over previous mould which does not get rid of the mould.

The council should come back and sort it out properly.


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PostPosted: Wed May 30, 2018 2:33 pm 
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The council refuse to touch it.

The mould was there on top of the paint but not there previously underneath.

I don't think they used very good paint even though at the time I offered them some expensive anti mould type.

I'm thinking maybe to sand the whole thing down then clean it with some type of mould cleaning product ?

Sanding it down I think will take some time but I can't see what other choice I have.


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PostPosted: Wed May 30, 2018 3:33 pm 
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Silver wrote:
The council refuse to touch it.

You responsibility then??? See below.

Quote:
The mould was there on top of the paint but not there previously underneath.

Try explaining to me again please.

Attachment:
File comment: See the different colours I have used please.
bathroom2a.jpg
bathroom2a.jpg [ 247.52 KiB | Viewed 512 times ]

See the attached photo.
In Red I have marked the surface which I think was your top layer of paint before it all went wrong.
In Green I have marked a layer of paint that was exposed when the top layer fell off.
In Blue I have circled a small spot where the top paint cracked and underneath is a spot of mould.

Am I correct in how I understand the different layers of paint?

Quote:
I don't think they used very good paint even though at the time I offered them some expensive anti mould type.

I'm thinking maybe to sand the whole thing down then clean it with some type of mould cleaning product ?
Sanding it down I think will take some time but I can't see what other choice I have.

Answer my question above and we will come back to your comments again.



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PostPosted: Wed May 30, 2018 10:02 pm 
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You have understood the layers correctly ;

Ok so the paint was mouldy on top (and peeling in places) before I attempted scraping the paint off the wall, once I started the paint just kept peeling away in certain spots, not knowing quite what to do I stopped and contacted the council, so been trying to sort it out with them for over a month now, in that time period the areas that I peeled off (the exposed areas underneath the top layer) have started to mould too.

When we shower in the bathroom the walls get wet, we open windows and have the fan running.

The area in blue you outlined was not mouldy underneath before but turned mouldy over the month and a half since the top peeled off.

Thank you btw for trying to help me out here, I do appreciate it :)


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PostPosted: Wed May 30, 2018 11:10 pm 
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OK. I now understand that the mould only appeared on the second layer only after the top layer fell/came off. Therefore two possibilities:
a. The layer underneath has had mould that was not cleaned well and as soon as it was exposed to condensation it grew again (mould would normally start collecting in corners instead of looking like a Dalmatian dog).
b. The top layer may have been better paint (e.g. eggshell or even paint with mould inhibitors) but if it is sh1te underneath there is not much the top layer can do to stay in place.

I would be inclined to print the photos and show them to the council. Mould or mould spores were left under the top coat of paint (but I can't prove it). The shoddy workmanship does not need proof.

Quote:
I don't think they used very good paint even though at the time I offered them some expensive anti mould type.

I'm thinking maybe to sand the whole thing down then clean it with some type of mould cleaning product ?

Sanding it down I think will take some time but I can't see what other choice I have.


If you must fix it yourself in the first instance a scraper [example] is the first tool you need but don't gouge the plaster. Then sand any bits of paint you have left and feather the edges [there is a lot more to this but I can only explain so much]. There is a good probability you will end up with bare plaster anyway. You can use anti mould things to wash the wall(s) down or as thick bleach but all will need to be left for a while and then you must wash them off the wall. Sand, fill any holes or other damage, sand again the filled areas before painting.

Many of the professionals (I am not one) here recommend http://www.zinsseruk.com/product/perma-white-interior/. I have not used it but I would definitely try it under the circumstances (the matt version). There are more trade paints with anti-mould properties but nothing is cheap. If you are going to spend the money you must make sure you have done all the necessary preparation as well as you can.

BTW. The spec sheet says it is guaranteed for 5 years not to get mould, mind you guarantees often are not worth the paper they are written on but I thought to mention it. Other than that try to avoid the condensation, let the fan run longer, more heat, clean fan and so on.



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PostPosted: Thu May 31, 2018 1:38 am 
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Thanks very much for the advice OchAye, it's very much appreciated. I will try with the council one last time before just getting it done myself as the wife isn't too happy as you can imagine.

Have seen that product recommended before will go for that I think.

Looking at the zinsseruk website I think the Satin Paint might be a better choice over the matt though ;

" A scrubbable, satin finish recommended for high-humidity areas that are subject to challenging wear and tear. Ideal for bathrooms and laundry rooms "


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PostPosted: Thu May 31, 2018 8:53 am 
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Ha, I missed that :-) Satin will show more of the imperfections on the wall but you are right.


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PostPosted: Thu May 31, 2018 10:48 am 
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Exactly what I would expect from the council. Our flat is ex-council, they painted plaster that wasn't dry and/or didn't mist coat so lots of paint is poorly adhered and the plaster underneath is blown/hollow. They usually use a cheap paint too and rush the job. Lord help you if they did any tiling, ours was fixed with dots of adhesive no bigger than a 10p piece onto bare plaster so either the adhesive failed or the plaster did. When I stripped the tiling I did a whole wall in less than 5 minutes, it just fell off as soon as I hit it with a bolster.

I would recommend documenting things carefully and then sending a letter to the council asking them to make good their poor work. If they refuse, take them to court.



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