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