BLACK MOULD ON INSIDE WALL


Postby TJ1720 » Tue Jul 03, 2012 2:16 pm

Hello, I am looking for some advice.

I have black mould growing on the north facing wall behind my wardrobe and the humidity level is very high 70-80%RH. I am thinking of buying a dehumidifier to reduce the humidity. Would this help?

Thanks
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Postby welsh brickie » Tue Jul 03, 2012 5:15 pm

fitting an airbrick through the wall would be better,or installing trickle vent in the windows
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Postby TJ1720 » Wed Jul 04, 2012 9:19 am

Do you mean on the inside wall? There is already an air brick on the outside wall into the cavity and also a vent at the top of the side wall next to the wardrobe. Can you fit trickle vents to existing UPVC windows?
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Postby welsh brickie » Wed Jul 04, 2012 6:58 pm

yes you can drill through the plastic and have them installed.The damp could be caused by either poor ventilation or also could be mortar on the wall ties in the cavity causing damp to bridge onto the internal wall.
But see how you go with ventilation first.
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