Low Humidity In Attic

A condition commonly referred to as the stack effect is responsible for moisture migration into under roof areas.

Low humidity in attic.

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. Chase around vent pipe open to attic. An attic is an oven and ovens are dry. You can test this by touching something metallic in the attic and see if you receive a jolt of static electricity.

Most attics are baked by the sun. Advani is adding moisture to the air with a humidifier and that hot air rises finding ways of getting into the attic sullivan says. Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation. The solution was to install more attic insulation do some required air sealing on the second floor and install intake and exhaust ventilation in the attic.

If you do then it means that the attic is too dry. In rare cases the humidity level may be too low. Check out the thermopro tp50 on amazon. 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. You can add more vents over the soffits. These are little devices a bit like thermometers but they measure humidity levels rather than temperature. During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent.

High temperatures inside your attic shorten the life span of shingles. 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. If you re not quite sure whether or not your attic has a problem with too much humidity the best way to check is with a hygrometer. Ideally the humiditiy level should be between 35 and 50.

If i enter an attic and it s moist and moldy i immediately think this is odd. As warm air rises some of this air enters opening at the top of the house and passes into the under roof area. There is an air leak that brings humid interior air or air from a basement or crawl space into the attic. Take its temperature.

The normal indoor humidity range in winter should be 15 to.