Proper Humidity Level In Attic

When it comes to humidity you would be best to have the levels below 50 to avoid mold growth and structural rot.

Proper humidity level in attic.

You can check the humidity level by observing the windows and the objects in the attic. Ideal attic temperature and humidity settings cold outdoor temperatures affect attics. Winter air is by nature not humid so the problem must be condensation related. If there is excessive moisture accumulation in your attic it will condense on cold areas mainly on the underside of your roof deck.

During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent. Quelch the heat wave. The recommended humidity level for all rooms including the attic and crawl space in the winter is 30 to 40 percent in cold climates. Advani hopes to finish the attic and install a minisplit although he s not sure that will lower the humidity.

Hot summer weather poses the opposite problem for maintaining recommended attic temperatures. The humidity in the basement measured 40 the first floor was 45 50 but the attic was 62. Proper ventilation will help maintaining a constant temperature in your attic. 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.

High humidity means greater chances for mold to grow. With outside temperatures ranging between 5 f and 95 f attic temperatures range between 48 f and 92 f. The moisture was rising with the warm air of the home as it escaped past the insulation and it was trapped in the attic because there was no roof ventilation. Only about 10 of the hip roof is shaded so it gets plenty of direct sunlight.

The consumer product safety commission recommends a humidity level between 30 and 50 percent while the environmental protection agency recommends a humidity level between 30 and 60 percent to reduce the growth of harmful mold. Advertisement replace an old air conditioner.