Proper Humidity For Attic

High humidity means greater chances for mold to grow.

Proper humidity for attic.

The results are that the attic temperature is close to the outside temperature but the relative humidity is significantly higher in the attic than either the indoor or outdoor readings. As we ve covered earlier you should aim for somewhere in the middle of the epa s recommended range of 30 50 relative humidity. Proper ventilation will help maintaining a constant temperature in your attic. Proper ventilation can help circulate the air reduce the heat build up in the attic and keep down humidity levels.

If you ve got a spray foamed attic and you ve got high humidity here s how to fix it for good. Advani hopes to finish the attic and install a minisplit although he s not sure that will lower the humidity. This can result in mold rust and deterioration of wood and structural fasteners. When it s not running the humidity in the attic drifts steadily toward 100 percent over a few weeks.

When it exceeds that threshold by too much and for too long you could experience problems like mold growth. Ideal attic temperatures and humidity settings aren t always easy to maintain. Freezing and excessively hot outdoor temperatures rain and high exterior humidity levels make it difficult for your. Is it a mistake not to have a vapour barrier.

What is the proper level. You can add more vents over the soffits. Only about 10 of the hip roof is shaded so it gets plenty of direct sunlight. It s an old house.

You can test this by touching something metallic in the attic and see if you receive a jolt of static electricity. With outside temperatures ranging between 5 f and 95 f attic temperatures range between 48 f and 92 f. 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. During the spring summer and fall relative humidity rh in a spray foamed attic often exceeds the comfort threshold of 60.

The recommended humidity level at home learn how to maintain ideal moisture levels in the air to protect your family s health and comfort as well as the structural integrity of your house. We know high humidity levels can cause a range of issues so it s important to keep your indoor humidity under control. In rare cases the humidity level may be too low.