Removing Humidity From Attic
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.
Removing humidity from attic. Poor ventilation in an attic can result in condensation promoting mold growth in the framing. 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. Remove excess moisture in some cases as with a roof leak issue you may have standing water to contend with in your attic. Use a wet vacuum to remove any excess water from this space before you start the mold removal process.
A dehumidifier can remove it. Install a dehumidifier in your attic. During winter months humidity from this escaping air can condense on cold attic surfaces leading to mold. They re effective in laundry rooms basements bathrooms and any room that isn t air conditioned or has poor air circulation.
Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation. So the first step is to seal the air leaks. Humidity will vary among rooms. The solution was to install more attic insulation do some required air sealing on the.
Air sealing an attic. Still got high humidity. If humidity level is too high dehumidify. Bathroom fans should vent to the outside.
The humidity in the basement measured 40 the first floor was 45 50 but the attic was 62. Run fans during bathing and at least 20 minutes afterwards to remove excess humidity. The normal indoor humidity range in winter should be 15. If ceiling down there is covered with drywall not so easy.
Put a dehumidifier up there plug it in set it between 50 and 60 rh and forget about it. High humidity in an attic is usually caused by air leaks in the ceiling of the top floor of your house. After from sealing things up and fixing your pressure balance this is usually the best solution to high humidity in a spray foamed attic. Measure with hygrometer sold where they sell thermometers.
Here is a link to an article that describes the work. This can result in mold rust and deterioration of wood and structural fasteners. If high humidity is a problem you can t overcome by other methods remove moisture from the air with a dehumidifier. Unfortunately attic moisture is a problem that often goes unnoticed due to the simple fact that most homeowners rarely access this part of their home.