The added layer of insulation in the attic floor is blocking the soffit vents.
Mold in attic roof sheathing.
One puzzling aspect of the phenomenon is that the mold is found in well built homes that comply with all relevant building codes.
The attic is truss framed with plywood sheathing.
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.
At some point you will probably need to go to your attic for something.
Water and mold problems in the attic can deteriorate wood in the roof sheathing joists etc.
Since the house is 31 years old the chances for condensation staining on the relatively low pitched roof sheathing are significant.
In the vast majority of cases the mold growth is caused by condensation.
Mold on the underside of roof sheathing is also very common.
Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.
Mold problems are indications of water problems.
On the east side only there is black mold for the first 6 up the slope.
There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread.
Mold that grows on the underside of roof sheathing due to ideal mold growth conditions being present.
The white blown in insulation was used.
Moisture in your attic typically comes from leaks or condensation.
Perhaps you use it for storage.
It is only on the back side of the house and is darker towards the bottom.
Increasingly homeowners in the pacific northwest are noticing mold on the underside of their roof sheathing.
Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements.
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 nutrients are usually organic materials such as dust dirt and the.
And eventually cause wood rot and reducing the life of your roof.
Attic spaces are one of the most common places in a home for mold to be found growing.
Mold requires two things to grow.
This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.