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Old 03-18-2013, 05:59 AM   #1
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Damp or condensation?


Hi

I have a small cupboard area which has access to my loft and I also store my fridge freezer (under bench size) in this cupboard. The door to the cupboard is always ajar. My bath room is next to this cupboard and steam from the shower sometimes escapes into the cupboard. Could the slight black/mold markings on the wall but not the ceiling next to the loft hatch be damp or condensation. There is a chimney stack on the roof area where the damp or condensation marks are however this is not my chimney! I have attached a pic. Thanks... looking forward to hearing from you. Whitley Bay, Tyne & Wear
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Last edited by b.robson; 03-18-2013 at 09:03 AM. Reason: to add location
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Old 03-18-2013, 06:45 AM   #2
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Damp or condensation?


#1 Please go back and add your location to your profile.
Go to Quick links to edit.

Could be lots of things,
No fan in the bathroom.
No or not enough insulation in the wall.
If it's an outside wall may be an ice dam on the room.

FYI, that ref. may run better if it was not enclosed like that.

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Old 03-18-2013, 07:49 AM   #3
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Damp or condensation?


+1

To what Joe said.

In the absence of a bulk moisture source, the resultant mold growth must be from the diffused moisture in the air contacting a cold section of the home.
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Old 03-18-2013, 10:29 AM   #4
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Damp or condensation?


Lack of air movement may be the cause. It mostly happens in corners first where there is little air movement.
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Old 03-18-2013, 07:09 PM   #5
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Damp or condensation?


A lot of times just pull the fridge out and it is black behind it. But I live in Fla. so lots of humidity. But I also vote for lack of air movement.
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Old 03-18-2013, 08:07 PM   #6
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Damp or condensation?


If I can add...even with the cupboard door open, placing your refrigerator in a space that has such limited air circulation can be problematic and can reduce performance and shorten the life of the compressor.
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Old 03-18-2013, 10:43 PM   #7
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Damp or condensation?


I don't know why lack of air movement would cause a moisture issue inside of this cupboard like you guys are saying. There is no moisture source IN the cupboard. The problem is the air is moving where we don't want it to, which is from the bathroom shower, into the wall cavity and condensating. You probably want to cut DOWN the air movement in this situation. Try to figure out where the air is traveling, and seal it up from the highest point first. Don't just caulk around your tub and call it a day, as that will do nothing to help.

Best advice I can lend you, and it solves your issue most of the time, is AIR SEAL your attic.

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