If you re not sure of the cause of a damp patch on a wall try the foil test.
Sweating walls in bathroom.
Fit a thermostat to the bath and shower to control maximum temperature at the taps.
This is safer too as you won t accidentally.
A true exhaust fan vents the warm and moist air from the bathroom.
If you have several areas particularly on.
Condensation occurs when hot moist air hits cold dry air.
How to stop the walls from sweating in an old house step 1.
Install an exhaust fan in your bathroom.
Turn up the thermostat a few degrees in your home to warm the bathroom air to a warmer constant temperature.
If the paint sweating is occurring on a regular basis in the bathroom areas it is a good idea to check if the exhaust fan is powerful enough to eliminate condensation as much as possible.
If in doubt get in touch with a professional painter and let them take a look at the problem.
If the surface of.
When it gets.
Ensure the area has adequate ventilation.
Dry the wall surface with a fan heater then tape some kitchen foil tightly over the affected area.
Open the windows after you shower.
Cut humidity in the bathroom by running cold water into the bath before turning on the hot water.
The warmer air will help to warm cool surfaces such as mirrors and walls reducing.
Condensation is more common in bathrooms and kitchens where steam is produced by bathing or cooking.