In the vast majority of cases the mold growth is caused by condensation.
Attic wall sheathing.
Zip system wall sheathing a revolutionary new approach to building enclosures zip system sheathing and tape streamlines the weatherization process with an integrated air and water resistive barrier that delivers moisture and air protection in one easy to install system.
Here are the three keys to sheathing an attic kneewall properly.
Zip wall is an interesting system which combines the sheathing with an integrated wrb air barrier all in one.
Sheathe the kneewall during framing.
Weyerhaeuser osb 9 x4 wall sheathing panels are engineered specifically to provide you with even faster installation and less waste at the jobsite.
This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.
Cover the whole wall.
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.
Goboard structural sheathing is an ultra lightweight yet durable waterproof alterna tive to heavy sheathing products.
Made of a high density rigid polyisocyanurate core and coated glass fiber facer it combines the weather barrier and sheathing functions allowing completion of the building envelope to be faster and more cost effective.