Black Mold In Attic Sheathing

Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.

Black mold in attic sheathing. What are the tell tale signs of an attic mold problem. Why does attic mold rarely if ever affect indoor air quality in homes. Dark black staining on wood surfaces if the wood in your attic shows any black discoloration the problem has moved. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.

When an attic is. Make sure to dispose of all of them after the. How to treat black mold in attic. In the vast majority of cases the mold growth is caused by condensation.

Prepare proper cleaning tools. Black mold grows easily so you need to remove all objects that may make the mold grow again. Make sure to wrap. Remove all the contaminated stuff.

Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored. The black growth on attic sheathing and rafters consists primarily of species of cladosporium alternaria or other genera of micro fungi but rarely if ever the potentially toxic stachybotrys mold black mold because attics are not consistently wet enough to sustain this kind of mold. If your attic sheathing doesn t look like new construction and is visibly black or white stained like this picture you likely have a ventilation issue that needs to be addressed and mold remediated.