Inadequate ventilation attics must be vented to allow moist warm air to escape.
Attic ceiling wet.
In summer when the air conditioning is on the reverse happens.
In an attic like this wintertime ceiling condensation can form when cold air from the attic hits your warm ceiling.
Condensation on your ceiling can cause water damage and promote the growth of mold or mildew.
The most common cause of ceiling condensation is an attic with too little insulation and ventilation.
Insulation in the attic is soaking wet.
These can include installation of seamless gutters and downspouts.
If water is dripping from your ceiling and your furnace and or air handler is located in the attic the most likely cause is a clogged condensate drain line.
Over time algae can grow inside of this drain line causing backups or clogs.
There are many signs that an attic is wet.
There are 3 common culprits of this problem.
A moist attic means moist insulation and moist insulation is less effective.
Top causes of attic moisture.
The same thing can happen with your ac system and vents.
Not enough insulation on the ducts themselves.
The best solution for controlling moisture is at its source.
The actual roof damage may be located directly over this spot or it may be located further up the roof line if the water has been flowing down the sheathing or a rafter before falling to the floor of the attic.
Pipes may burst or crack after years of long use leading to leaks in the ceiling.
What to do about a wet attic.
Air conditioner condensate pan not draining.
Clothes dryers venting air to the attic rather than outside.
Often this is first noticed when re shingling.
A leaky pipe is a disaster waiting to happen since even mild leaks can lead to considerable damage to your home s walls ceiling flooring and foundations.
Improper ventilation and insulation of home attic space can produce high humidity levels and trap.
Also it is possible for dirt or debris to become lodged inside.
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.
Basically when the cold air from your air conditioner mixes with the warm moist air in your attic condensation happens.