The next step is to ensure that you add a vapor barrier to your ductwork.
Attic moisture problems.
Condensation in the attic is a serious problem that must be addressed by homeowners.
Attic moisture can also contribute.
Attic clean up professionals always look for signs of moisture in attics and homeowners should regularly do this as well.
Most modern ductwork comes standard with insulation and a vapor barrier so my recommendation would be to just replace your ductwork.
Closing drapes causes the glass temperature and the temperature of the air between the drape and the glass to become cooler making condensation more.
If the roof is not sound it should be repaired.
Looking for signs of moisture.
Condensation on your ceiling can cause water damage and promote the growth of mold or mildew.
Attic moisture during the winter can decrease the effectiveness of insulation and over time cause significant damage to structural elements in the attic including rafters and trusses.
Once the roof has been dealt with there are a number of ways to manage the ventilation within the attic.
The first signs of a condensation problem in your attic might show up during a re shingle on your roof.
Otherwise moisture will build up and you can face possible mold problems in your attic.
Improper ventilation and insulation of home attic space can produce.
A balanced ventilation system would only reduce attic moisture when outdoor dew point is lower than in the attic.
While many homeowners usually associate dampness with basements or crawl spaces attics can suffer from moisture problems just as easily which can lead to damaged insulation structural issues and problems with mold.
The best way to deal with condensation on high quality double glazed windows is to reduce indoor relative humidity to no more the 40 percent several conditions can increase condensation problems.
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.
You can prevent these problems from occurring by maintaining a dry attic with a low relative.
How to fix ceiling condensation.
After moisture penetration is controlled as best as possible the next approach to reducing attic moisture is by controlling air infiltration.
Additionally moisture can lead to mildew and mold growth which can exacerbate health problems for occupants.
In the winter the condensation will form frost and in the summer this condensation can grow mold.
If there are signs of rot on the roof sheathing then there has been prolonged moisture in the attic.