We have all vinyl windows just resided house and reinsulated now we have mold growing on window where condensation has been forming just since winter heatin season. What is the problem or a solution..
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Too much moisture in the house. Quit growing mushrooms in the basement.
If you are getting condensation on the windows, then you likely have too much interior humidity. It wasn't a problem before because the house was so leaky that the indoor humidity was quickly washed to the outside.
Now you've tightened the place up (a good thing) and the indoor humidity is staying indoors.
Are you on a crawlspace, a basement, or a slab?
What kind of heat do you have?
One story house? two story?
Having said all of that, I reread your post and see that you may be talking about one window only. That doesn't mean I wasted the typing, but...
Where is this window? Bedroom, bathroom, kitchen???
Are there curtains preventing air flow across it?
Rich Beckman
Another day, another tool.
Seems to be aproblem all over the house but the biggest problem is bedroom . The house is aone story on afull basement.
It certainly sounds to me like excessive indoor humidity. My mind is blank, but you can buy devices to measure this.Does the basement seem dry or wet?Is the concrete floor exposed anywhere? Tape a one foot piece of plastic (cut up a trash bag) to the concrete floor and check it after 24 hours. How wet is it?Rich BeckmanAnother day, another tool.
Basement is dry . Will have to pick the deally bob that measures humidity and if it high what can you do to reduce it.
I fid it is common for some window condensation to show up at the time of the first cold spell, as the moisture built up over summer in house and its contents encouters that nice cool glass, before the heating and air change cycles dry things out.OTOH, there is a chance (slim, but possible) that the moisture is coming from an improperly vented gas appliance: visually check the flues on all combustion appliances, and don't forget a professional tuneup yearly.Some vent problems aren't visually obvious to the "man in the street."
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Sojourners: Christians for Justice and Peace
"Basement is dry ."You should still try the taped down plastic test. Even a dry looking basement can be dumping a lot of water into the home." Will have to pick the deally bob that measures humidity"That's it!! The "deally bob"!! Thanks! ;)"what can you do to reduce it."Assuming rjw's comments above are not correct (but maybe he is right and it is simply a phenomonon of the first cold spell)g, then it depends on where the humidity is coming from.Note rjw's comment about improperly vented gas appliances.Are there exhaust fans in the bathrooms?? Are they used when people shower or bathe?Is there an exhaust fan in the kitchen?? Does the cook boil water a lot? Is the fan used?Are there lots of house plants that get watered a lot??There's always a dehumidifier.Rich BeckmanAnother day, another tool.
>>You should still try the taped down plastic test. Even a dry looking basement can be dumping a lot of water into the home.I believe (but can't prove) that sometimes the floor is dry for exactly that reaon: the moisture is being released into the house's air, making the floor appear dry. E.g., where there is a high level of air movement and air exchanges in the house.
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Sojourners: Christians for Justice and Peace
natural gas heat.