Condensation In Attic Above Bathroom

Insulation is responsible for keeping warm air inside your living space and out of the attic where it can lead to condensation.
Condensation in attic above bathroom. Traces where water has trickled down the walls. It could be a lot of things but the most common source of condensation is a poorly or unvented bathroom. Turn up the thermostat a few degrees in your home to warm the bathroom air to a warmer constant temperature. This traps heat in the attic which then warms the ceilings.
Inspect your attic insulation. Signs of condensation in the attic may include the following. Because it sounds like your attic is cool and you re in your shower and the bathroom gets super hot and then there s no movement of air in that bath and that s what s causing that temperature differentiation. Condensation on your ceiling occurs when the attic space above is poorly ventilated and insulated.
Moisture forming on the glass window panes or other flat surfaces. When the cool air from your living space rises due to humidity in your home often from cooking bathing or drying clothes it comes in contact with the warm surface of the ceiling and condensation forms. If you have taken the proper steps to remove excess humid air from your home and you re still having condensation issues it might be time to check the attic insulation. If your bedroom has an attached bath that could be the culprit.
So what happens is the warm moist air strikes the underside of the chillier bathroom ceiling and condenses.