Is This Penetrating Damp in Corner of Utility Room or Something Else?


Postby kensitp » Mon Jan 12, 2015 11:39 am

As per the photos we have found damp in the exterior wall corner of our utility room, behind a wall unit. Is this damp penetrating from the outside, or could it be the heat from the tumble drier etc which has gone up behind the wall unit and caused damp? There's no sign of any cracks or water entry from the outside rendered wall. What's the best way to resolve? All views welcome!! Many thanks.

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Postby welsh brickie » Mon Jan 12, 2015 5:32 pm

It looks like a upvc roof, and gutters are installed level, so there is no fall, so check the gutter, it looks to me like the gutter is overflowing in that corner, I would suggest installing another downpipe to reduce the amount of water.
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Postby kensitp » Fri Jan 16, 2015 6:59 am

Many thanks for the reply. I've checked the guttering before and seems ok, the only thing I was wondering was where the UPVC sills join in that corner the mitre cut does not have any sealant in it and you can see a gap between the two sills where they join, see pic. Could this be where the water is entering?
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