Dry the wall surface with a fan heater then tape some kitchen foil tightly over the affected area.
Sweating walls in bathroom.
If in doubt get in touch with a professional painter and let them take a look at the problem.
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.
Condensation occurs when hot moist air hits cold dry air.
If you re not sure of the cause of a damp patch on a wall try the foil test.
When it gets.
If the surface of.
Ensure the area has adequate ventilation.
Fit a thermostat to the bath and shower to control maximum temperature at the taps.
Place a dehumidifier in the areas with the most wall condensation.
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.
Turn up the thermostat a few degrees in your home to warm the bathroom air to a warmer constant temperature.
A true exhaust fan vents the warm and moist air from the bathroom.
How to stop the walls from sweating in an old house step 1.
This is safer too as you won t accidentally.
Condensation is more common in bathrooms and kitchens where steam is produced by bathing or cooking.
This meeting causes water droplets to form on the cold surfaces like your walls.