Zip wall is an interesting system which combines the sheathing with an integrated wrb air barrier all in one.
Attic wall sheathing.
This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.
Vapor transmission or wrb layer air barrier.
4 8.
Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.
The sheathing is usually plywood or a material called oriented strand board or osb.
In the vast majority of cases the mold growth is caused by condensation.
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.
Mold on attic sheathing.
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.
5 8 roof wall sheathing 4 8 panel count.
Panel size panel count ps 2 span rating.
Roof sheathing attaches to the surface of the rafters or trusses to form the structural skin of the roof.
The presence of mold inside your home even if it.
Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored.