During the spring summer and fall relative humidity rh in a spray foamed attic often exceeds the comfort threshold of 60.
Causes of high humidity in attic.
If you ve got a spray foamed attic and you ve got high humidity here s how to fix it for good.
Freezing and excessively hot outdoor temperatures rain and high exterior humidity levels make it difficult for your.
When the water content of the air increases it affects the overall indoor humidity.
Ideal attic temperatures and humidity settings aren t always easy to maintain.
How do you keep it manageable and lessen it when it gets bad.
Furthermore although the ideal humidity levels are less than 60 in the summer those numbers drop to 25 and 40 in the winter.
High humidity in the attic insulating the underside of the roof deck solves one problem and creates another.
When it exceeds that threshold by too much and for too long you could experience problems like mold growth.
Having higher humidity during colder months can cause complications too.
What causes high humidity in a house.
High level of moisture in the surroundings not only causes discomfort but.
The problem is lowering humidity.
By scott gibson march 18 2019.
Jason advani has insulated his attic with spray polyurethane foam and while his heating bills have dropped high humidity remains a problem.