Will More Insulation In Attic Lower Humity In House

We track a material s ability to resist heat transfer with something called an r value.

Will more insulation in attic lower humity in house.

See ventilate your home for ideas to improve air circulation in your house. Humidity control and insulation go hand in hand. Advani is adding moisture to the air with a humidifier and that hot air rises finding ways of getting into the attic sullivan says. Effective attic insulation acts as a barrier that prevents the attic heat from seeping through the ceiling and into the house.

The attic r value mandated to consider your insulation compliant or effective is between r 50 and r 60. Types of attic insulation for hot climates to lower energy bills the efficiency of home insulation is a science and so of course there s a numerical system for measuring it. On the vapor barrier the insulation should be labeled at least an r 30. Similarly by improving your insulation you can help to improve the levels of humidity in your home.

The problem is that with more insulation your have much less heat gain thus your ac runs less. How insulation helps control humidity. Air leaks in the lower part of the house in the basement for example allow outside air with low humidity to get into the house. If the attic has blown in cellulose check to see if there is a vapor barrier and confirm the cellulose insulation is spread evenly throughout the attic floor.

As insulation becomes thicker and more effective the r value goes up. Poor ventilation in an attic can result in condensation promoting mold growth in the framing elements of the house. This can significantly reduce the indoor temperature and humidity. This can affect your home s structural integrity.

By improving the humidity levels in your home you can help to improve the effectiveness of your insulation. Since the ac runs less it removes less moisture from the air thus the high humidity. A separate dehumidifier is usually the best fix.