Damp on rear exterior wall of my house

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  #1  
Old 09-17-20, 07:58 AM
Z
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Damp on rear exterior wall of my house

There is some damp on the exterior wall of my house, behind the kitchen. The paint is peeling off and forming bubbles.

There is a drain below with a grid which is fixed. It does have some leaves and other muck in it and could probably do with a clean. Do you think that could be the cause, the damp rising from the drain? I can't see the other side of the wall due to kitchen cabinets but there no obvious area of moisture or leaks in the kitchen.

Unfortunately the photos I tried to upload were rejected (too large perhaps) so I have loaded to an image hosting site and added links below.:

https://*******/drCbLKC
https://*******/dDTsw34
https://*******/zPJ12dc
 
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  #2  
Old 09-17-20, 08:01 AM
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Welcome to the forums!

Your links don't work
Moisture is the most common cause for paint blistering. Anything you can do to direct water away from that wall will help. grading, gutters piped away, etc. clean the drain!
 
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Old 09-17-20, 08:02 AM
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Old 09-17-20, 08:07 AM
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The forum obviously doesn't like links and edited them. Resized the photos and the loaded.

Thanks for reply marksr. I am going to be revealing myself as a complete novice at DIY with the this question. Once I get the drain covers off what kind of adhesive should I use to stick them back on?

 
  #5  
Old 09-17-20, 10:51 AM
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I thought those types of covers were just set in place - no adhesive.
Besides cleaning out the gutter/drain you'd want to make sure the side next to the house is sealed so your walls can't suck up moisture.
 
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Old 09-19-20, 02:43 AM
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These are stuck in place with some kind of adhesive and are going to take force to remove. Wish me luck.
 
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Old 09-19-20, 02:57 AM
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Adhesive or just held in place by the mortar on the sides?
 
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