Do humidity levels rise and fall in the winter months.
High humidity attic winter.
If there is excessive moisture accumulation in your attic it will condense on cold areas mainly on the underside of your roof deck.
When it s not running the humidity in the attic drifts steadily toward 100 percent over a.
Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation.
If you ve got a spray foamed attic and you ve got high humidity here s how to fix it for good.
The normal indoor humidity range in winter should be 15.
During the spring summer and fall relative humidity rh in a spray foamed attic often exceeds the comfort threshold of 60.
These old houses rarely have roof deterioration or interior roof rot problems in winter.
Awareness of proper attic ventilation is at an all time high.
For those who are having a problem with attic condensation.
During winter months humidity from this escaping air can condense on cold attic surfaces leading to mold.
To find out how serious your humidity issue is hang a hygrometer on your wall.
But the humidity level still too high for my.
So the first step is to seal the air leaks.
High humidity in the attic insulating the underside of the roof deck solves one problem and.
The humidity gets to the high nineties when the temp gets below 40 at night and then drops to 60 once the attic temp reaches the sixties.
Here is a link to an article that describes the work.
High humidity in an attic is usually caused by air leaks in the ceiling of the top floor of your house.
High humidity doesn t necessarily mean the there is more moisture just that the air is having a tougher time holding the.
If the temp stays above sixty at night and during the day then the humidty level stays in the 50s or below.
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.
An indoor humidity of between 45 to 55 percent is ideal but anything higher will cause problems.
Advani says he runs a dehumidifier in the basement during the summer and a whole house humidifier in the winter.
In order to avoid attic condensation it is important to make sure that the attic receives proper ventilation and that it is properly protected from the outside elements two of the most common causes of attic condensation are high levels of humidity within the living spaces beneath the attic and moisture seeping in through the roof.
When it exceeds that threshold by too much and for too long you could experience problems like mold growth.
Indoor humidity can soar.
