If you notice condensation on your windows and walls find peeling wallpaper or bubbled paint or see mold spots around the house your home s humidity is too high.
Damp ceiling in attic.
Let s look at the phenomenon of the damp attic by dividing them into two categories.
But i m quite sure the dark ring was not a lighting issue.
Condensation on your ceiling can cause water damage and promote the growth of mold or mildew.
You usually enter this kind of attic through a ceiling hatch although some vented unconditioned attics have stairs.
The brick work in the attic space shows as damp using a damp meter.
Often this is first noticed when re shingling.
If i get a dehumidifier will this do the trick or is it likely the attic is a hot mess of mold.
The ceilings were damp when we moved in and have since had both chimneys repointed rendered and the lead work redone and gas cowls fitted.
Any imperfections in the external facades such as cracks in.
Vented unconditioned attics and unvented conditioned attics.
What to do about a wet attic.
If anything the problem s now worse.
A vented unconditioned attic is the old fashioned kind.
The ceiling is the popcorn ceiling and the darkest areas are the areas which stick out the most.
The attic isn t always to blame for ceiling condensation.
There are many signs that an attic is wet.
Improper ventilation and insulation of home attic space can produce.
This traps heat in the attic which then warms the ceilings.
If you have ceiling leaks only in the spring it may be that ice has been forming on the sheathing all winter and it suddenly melts when a warm spell arrives.
Prolonged wetness will rot out the roof sheathing.
Do not assume however that the roof damage is directly above this part of the attic because water can flow for quite some distance down along sheathing or a roof rafter before it drips down onto the insulation and through it to the ceiling surface.
Gain access to the attic and look for areas of insulation that show signs of wetness.
One stack is sandstone the other is rendered breeze block.
Simply by sealing the various possible paths of air leakage already discussed infiltration will be reduced therefore restricting the movement of air and eliminating the stack effect.
How to fix ceiling condensation.
Condensation on your ceiling occurs when the attic space above is poorly ventilated and insulated.
In the attic you may find damp and soggy insulation.
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.