Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.
Attic wall sheathing.
The presence of mold inside your home even if it.
Does mold on attic sheathing have to be removed.
In the vast majority of cases the mold growth is caused by condensation.
4 8.
Mold on attic sheathing.
Where to buy view technical documents performance category.
It spans the rafters to support the roofing and in the case of panel sheathing such as plywood or osb it acts as a diaphragm with the walls to resist horizontal loads.
5 8 roof wall sheathing 4 8 panel count.
Another great option is 5 8 tongue groove sheathing just make sure the tongue is facing up so if any water does get in it can run back out not into the groove.
Zip wall is an interesting system which combines the sheathing with an integrated wrb air barrier all in one.
The sheathing is usually plywood or a material called oriented strand board or osb.
Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored.
Vapor transmission or wrb layer air barrier.
This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.