Attic spaces are one of the most common places in a home for mold to be found growing.
Mold in attic roof sheathing.
Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.
Mold requires two things to grow.
Moisture in your attic typically comes from leaks or condensation.
And eventually cause wood rot and reducing the life of your roof.
Mold on the underside of roof sheathing is also very common.
On the east side only there is black mold for the first 6 up the slope.
Water and mold problems in the attic can deteriorate wood in the roof sheathing joists etc.
Mold problems are indications of water problems.
It is only on the back side of the house and is darker towards the bottom.
At some point you will probably need to go to your attic for something.
In the vast majority of cases the mold growth is caused by condensation.
This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.
Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements.
One puzzling aspect of the phenomenon is that the mold is found in well built homes that comply with all relevant building codes.
The added layer of insulation in the attic floor is blocking the soffit vents.
Mold that grows on the underside of roof sheathing due to ideal mold growth conditions being present.
The attic is truss framed with plywood sheathing.
The roof has baffles at alternating thusses soffit and ridge vents.
This phenomenon occurs in vented attics and is more common in new homes than old homes.
Attic mold cleaner attic mold removal how to clean attic mold how attic mold gets there in the first place and what to do to help prevent attic mold.
It wasn t until the mid 1980s that the energy codes changed.
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.
Since the house is 31 years old the chances for condensation staining on the relatively low pitched roof sheathing are significant.
The nutrients are usually organic materials such as dust dirt and the.
This appears to be mold on the roof sheathing in the attic.
The white blown in insulation was used.