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Moisture saturated basement walls will add moisture directly into basement interstitial spaces leading to interstitial condensation with cool basement temperatures. All interstitial condensation can cause uncontrolled mold and bacteria growth, rotting of wood components, corrosion of metal components and/or a reduction in the thermal insulation ...
Even without condensation, relative humidity above 80% can support mold growth and rot wooden structural materials such as floor joists. [6] Humidity in some sealed crawl spaces is controlled using a dehumidifier. A wooden crawl space access panel, opening to the exterior of the house, that has begun rotting away from dampness
Dry winter air can result in cracked skin, gaps in your floorboards, and ashy furniture. These affordable devices can help.
A humidistat or hygrostat is an electronic device analogous to a thermostat but which responds to relative humidity, not temperature. A typical humidistat is usually included with portable humidifiers or dehumidifiers. It can also be included with combined air cleaner or humidifier units to control a home's humidity level or any other indoor ...
Maintain a humidity level of 30 percent to 60 percent inside your home. Paint walls and ceilings with paint that contains mold inhibitors. Remove carpets from damp areas, like bathrooms and basements.
A habitable attic, or a habitable room without an attic may use an insulated roof so that moist air from the habitable area cannot condense on the roofing materials. Also, a building with a complex roof or many piercings between the conditioned area and the attic might control condensation better or more cheaply with an insulated roof and a ...
The "doormat test" detects moisture from concrete slabs without a sub-slab vapor barrier. [citation needed] Inorganic materials, such as metal or polished concrete, do not support mold growth, although surface mold growth is still possible. Significant mold growth requires moisture and food sources and a substrate capable of sustaining growth.
An attic fan installed underneath a roof. A powered attic ventilator, or attic fan, is a ventilation fan that regulates the heat level of a building's attic by exhausting hot air. A thermostat is used to automatically turn the fan off and on, while sometimes a manual switch is used. An attic fan can be gable mounted or roof mounted. Additional ...