The most common cause of this headache is a leak in either the roof or plumbing system.
First floor air condtioner causes wall upstairs to bubble.
Improper ventilation and insulation of home attic space can produce.
If the paint on a wall or ceiling suddenly begin to bubble or peel off it s most often a sign of moisture.
How to fix ceiling condensation.
Ron august 18.
I noticed two yellow lines in the kitchen ceiling about a foot long and theya re parallel to each other.
Should you see paint bubbling or blistering or brown spots appearing on a ceiling or wall it s time to begin the investigative process to find out.
This difference will affect how hot each floor is and consequently cause your home air conditioning unit not to compensate properly for the heat upstairs.
If the second story in your home is too hot and stuffy it s important to find a way to make this area more comfortable.
Dry the wall surface with a fan heater then tape some kitchen foil tightly over the affected area.
Some people simply turn down their air conditioner but then utility bills climb and the first floor gets too cold while the upstairs is still too warm.
If you re not sure of the cause of a damp patch on a wall try the foil test.
I have a water stain on my first floor ceiling that seems to be coming from a leaking window or area around it on the second floor.