Green Mold On Underside Of Roof Sheathing

The presence of mold in your attic is often the result of poor ventilation insufficient insulation moisture from a roof leak or improper venting from your bathrooms or kitchen.

Green mold on underside of roof sheathing.

Mold on attic sheathing mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. After several years of this there may be. Condensation occurring on the underside of plastic in the attic. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.

But these would still only affect a small area. Mold that grows on the underside of roof sheathing due to ideal mold growth conditions being present. Generally tearing off a roof and roof sheathing and perhaps roof framing to remove mold would not be sensible nor cost justified. White and green fuzzy growth on osb sheathing.

Why mold grows mold usually causes a musty odor and may cause staining that may be black brown gray white yellow or green. Best procedures for cleaning mold contaminated wood. One puzzling aspect of the phenomenon is that the mold is found in well built homes that comply with all relevant building codes. In the vast majority of cases the mold growth is caused by condensation.

The mold growth and sheathing damage is limited to a small area. This latter phenomenon occurs when the house is too humid and the warm moist air seeps into the attic where it condenses and freezes on cold attic areas. Condensation determining the cause of attic mold. The mold itself may have a cottony texture but can also be velvety.

Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements. Below is a typical roof leak. This article offers advice on cleaning mold found on surfaces of un finished wooden building materials such as framing lumber rafters floor joists wall studs and building roof wall and floor sheathing such as plywood tongue and groove pine boards and other structural wood surfaces in buildings. Increasingly homeowners in the pacific northwest are noticing mold on the underside of their roof sheathing.

Mold on the underside of roof sheathing is also very common.