Proper Humidity For Attic

Air sealing an attic.

Proper humidity for attic.

Hot summer weather poses the opposite problem for maintaining recommended attic temperatures. So the first step is to seal the air leaks. At 48 52 you re at the upper tier of the recommended 35 50 during heating season. How to manage humidity in your spray foamed attic 1.

Quelch the heat wave. Make sure your attic is properly sealed. For an attic to be properly ventilated it must also have a balanced system of intake and exhaust. But we can t leave it a week without the dehumidifier running that s all it takes to get up to an average 70 percent humidity and climbing.

In rare cases the humidity level may be too low. Cold outdoor temperatures especially below freezing can wear on your furnace. Only about 10 of the hip roof is shaded so it gets plenty of direct sunlight. During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent.

As with pretty much all home improvement projects your contractor might. It could be that despite having done what. When the humidity is higher than 50 percent not only will you feel uncomfortable the increased moisture in the air can lead to mold growth and to condensation on windows and toilet tanks. Advani hopes to finish the attic and install a minisplit although he s not sure that will lower the humidity.

Proper ventilation can help circulate the air reduce the heat build up in the attic and keep down humidity levels. With outside temperatures ranging between 5 f and 95 f attic temperatures range between 48 f and 92 f. Here is a link to an article that describes the work. Proper ventilation will help maintaining a constant temperature in your attic.

If there is excessive moisture accumulation in your attic it will condense on cold areas mainly on the underside of your roof deck. If mechanical systems in your home create a negative pressure environment you could. Outside air moves into the attic leaves its. What stands out is the high relative humidity inside the house.

You can add more vents over the soffits. You can test this by touching something metallic in the attic and see if you receive a jolt of static electricity. Ideal attic temperature and humidity settings cold outdoor temperatures affect attics. During winter months humidity from this escaping air can condense on cold attic surfaces leading to mold.

High humidity in an attic is usually caused by air leaks in the ceiling of the top floor of your house.