Causes Of High Humidity In Attic

Furthermore although the ideal humidity levels are less than 60 in the summer those numbers drop to 25 and 40 in the winter.

Causes of high humidity in attic.

High humidity in the attic insulating the underside of the roof deck solves one problem and creates another. The problem is lowering humidity. By scott gibson march 18 2019. How do you keep it manageable and lessen it when it gets bad.

During the spring summer and fall relative humidity rh in a spray foamed attic often exceeds the comfort threshold of 60. As the moisture migrates upwards to the colder attic areas during the winter months the relative humidity is increased to the point that condensation can occur on cold surfaces. Having higher humidity during colder months can cause complications too. Freezing and excessively hot outdoor temperatures rain and high exterior humidity levels make it difficult for your.

What causes high humidity in a house. Jason advani has insulated his attic with spray polyurethane foam and while his heating bills have dropped high humidity remains a problem. If you ve got a spray foamed attic and you ve got high humidity here s how to fix it for good. Because of the relatively moderate temperature in these areas moisture can go unnoticed and may not cause any problems there.

Ideal attic temperatures and humidity settings aren t always easy to maintain. When the water content of the air increases it affects the overall indoor humidity.