Does A Garage Attic Have Humidity

Sealed attics trap excessive heat and moisture which can lead to reduced shingle life.
Does a garage attic have humidity. If garage moisture is a persistent problem check whether your dryer vent is directed into the garage. Excess humidity and condensation can damage your garage s structure its flooring and finishes and can potentially harm anything stored within your garage as well. Mold and mildew from garage condensation also poses a potential health risk to a home s occupants. The short answer to this very involved question and the pages of temperature and humidity level data you sent is yes there is a risk that moisture from humid air in your attic will condense on.
Even when a spray foam contractor does everything right you might still have high humidity in your attic. More often than not all you need to do is verify that everything is sealed and if needed install a dehumidifier. And the extra heat is not just a summer concern come winter hot attic air can melt snow on the roof during. Excess condensation and humidity levels in your garage have a negative affect on your home.
After that put a little humidistat in your attic and check it every once in awhile to make sure everything is gravy. Jason advani has insulated his attic with spray polyurethane foam and while his heating bills have dropped high humidity remains a problem. Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation. Common sources of condensation.
If there is excessive moisture accumulation in your attic it will condense on cold areas mainly on the underside of your roof deck. Moisture problems can also lead to mildew and mold putting your family s health in jeopardy. I have a 120 year old house with no attic vapor barrier but has some insulation about 8 of blown fiberglass. High humidity in the attic insulating the underside of the roof deck solves one problem and creates another.
The moisture and heat stored in your garage can potentially seep into your home causing increased temperatures and humidity within your house. All exhaust fans and exhaust systems in your home should vent outdoors but builders may. During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent. The normal indoor humidity range in winter should be 15 to.