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Black Mould on UPVC window sealant

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sarah_louise | 13:11 Thu 09th Jul 2009 | Home & Garden
9 Answers
Our PVC windows have a black mould on the internal sealant within the kitchen and bathroom and an unused bedroom.
I have tried the stuff for cleaning the PVC frames but there is no chemical in my armoury that gets rid of the black mould that is on the white silicon sealant only off the frames.
You name it I have tried it even surgical spirit, IPA (industrial propyl alcohol not the beer ) , methanol, cellulose thinners, white spirit et al.
Do I have to get it stripped off and redone with a mould resistant sort which the cheapskates should have used to start with ?.
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Thanks for asking this. We have the same problem and look forward to any answers you get.
Question Author
I thought I had got a solution with 5 minutes !
Glad i am not the only one though.
Come on AB experts where are you ?
Hi, have you tried Dettox mould and mildew remover. I find this usually works. You may need to use it more than once though. If that doesn't work then I would say to remove it and put new on. Good luck.
Hi, forgot to say you will nearly always get some mould on the sealant after it has been there for a while especially in bathroom as it gets quite wet in there even if you open windows regularly. Even the sealers that say they are mould resistant will get it on eventually.
Parazone?
try domestos thick bleach,which you leave on the surface for a while before wiping off.It works well on bathroom grout.
Oh my gawd!!!!!! What is Parazone if it ain`t bleach, huh.huh????
neat bleach brushed on and left for 10mins then rinsed off , works everytime does not cure the problem though, it will come back but not so quickly.
Question Author
Thank you everyone I will try them all.

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