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Efflorescence

almeida24
Posts: 80 Forumite
I noticed a couple of days ago I had this white, fluffy thing had appeared on the inner wall of my porch just underneath the window. After a bit of reasearch, it looks as though it could be efflorescence. Below is a photo of it.
Do you think the cause of this is because I haven't got a window sill fitted? And if I do fit one, it should cure the problem?
Do you think the cause of this is because I haven't got a window sill fitted? And if I do fit one, it should cure the problem?

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Comments
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cant tell from the photo. looks more like standard mould from here.
dettol do a good mould cleaner.Get some gorm.0 -
It is efflorescence - how long has the porch been built/plastered/painted?Perfection takes time: don't expect miracles in a day0
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Yes it looks like efflorescence to me too. Remove source of damp, brush (don't wash) it off, coat of anti-alkaline primer and repaint.
It could be poor sealing 'twixt window and brickwork and rain is being driven in by the wind.
Yes it could also well be the lack of an external cill (but we ain't got a pic of that) whose presence serves a purpose of chucking water away from the wall. An internal cill is largely decorative and somewhere for the missus to put her pot plants.
CheersThe difference between genius and stupidity is that genius has it's limits. - Einstein0 -
Yes it looks like efflorescence to me too. Remove source of damp, brush (don't wash) it off, coat of anti-alkaline primer and repaint.
It could be poor sealing 'twixt window and brickwork and rain is being driven in by the wind.
Yes it could also well be the lack of an external cill (but we ain't got a pic of that) whose presence serves a purpose of chucking water away from the wall. An internal cill is largely decorative and somewhere for the missus to put her pot plants.
Cheers
Thanks for the advice. It does already have an external cill but I thought the lack of internal may have been the problem, I suppose not. Will check the sealing between the window and brickwork outside.0
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