Proper Humidity For Attic

In rare cases the humidity level may be too low.

Proper humidity for attic.

Ideal attic temperatures and humidity settings aren t always easy to maintain. 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. The federal housing administration has recommendations for the amount of ventilation you will need based on the size of your home. If you ve got a spray foamed attic and you ve got high humidity here s how to fix it for good.

High humidity means greater chances for mold to grow. What is the proper level. Proper ventilation will help maintaining a constant temperature in your attic. You can test this by touching something metallic in the attic and see if you receive a jolt of static electricity.

For an attic to be properly ventilated it must also have a balanced system of intake and exhaust. When it s not running the humidity in the attic drifts steadily toward 100 percent over a few weeks. 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. When it exceeds that threshold by too much and for too long you could experience problems like mold growth.

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. With outside temperatures ranging between 5 f and 95 f attic temperatures range between 48 f and 92 f. Only about 10 of the hip roof is shaded so it gets plenty of direct sunlight. Advani hopes to finish the attic and install a minisplit although he s not sure that will lower the humidity.

As we ve covered earlier you should aim for somewhere in the middle of the epa s recommended range of 30 50 relative humidity. This can result in mold rust and deterioration of wood and structural fasteners. We know high humidity levels can cause a range of issues so it s important to keep your indoor humidity under control. It s an old house.

Is it a mistake not to have a vapour barrier. You can add more vents over the soffits. Freezing and excessively hot outdoor temperatures rain and high exterior humidity levels make it difficult for your.