And i was curious at this point there is actually mold inside the ceiling of you know the old ceiling and.
Mold on roof sheathing in attic.
The roof has baffles at alternating thusses soffit and ridge vents.
Mold on the underside of roof sheathing is also very common.
Attic spaces are one of the most common places in a home for mold to be found growing.
And he is having problems with water underneath the decking.
Mold must be removed from attic sheathing because the spores can cause serious health problems.
There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread.
Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements.
This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.
And there was it was previously a roof with a ceiling inside.
So they put an addition on the side and part of the roof is now rafter roof which is cathedral.
Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.
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.
The effects of mold exposure depend on your health and the amount of mold you re exposed to.
The attic is truss framed with plywood sheathing.
In the vast majority of cases the mold growth is caused by condensation.