In the vast majority of cases the mold growth is caused by condensation.
Black mold attic plywood.
Use gloves a mask and a fan to protect yourself while cleaning in the attic.
The mold killer solution can be applied using a pressurized sprayer or for deeper penetration the fogmaster mold fogger.
Combine 1 2 cup chlorine bleach.
How to get rid of black mold on wood and plywood.
Attic feels excessively hot or stuffy attics should feel breezy if they are properly ventilated.
Dark black staining on wood surfaces if the wood in your attic shows any black discoloration the problem has moved beyond moisture.
The item in cleansing mold from a wood surface area is to get rid of all fungus product from the surface area of the wood.
It is not required to eliminate all discolorations from wood.
Mold spores penetrate the plywood in your attic and it is difficult to completely eradicate it.
Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.
Black mold can also grow behind the walls or attic ceilings completely undetected until the occupants smell the presence or experience health problems.
There is also a small risk that comes with applying the mold protective sealant in that the sealant can trap moisture in the plywood which will cause it to decompose and decay.
What causes black mold in attic mold species such as stachybotrys chartarum which looks like slimy growth loves attic basement bathroom and space under the sink.
You have mold that should be removed.
Fungus spores hyphae as well as conidiophores the spore creating frameworks of mold.
Because wood is porous it may be difficult to remove the mold stains from sheathing but you can kill the mold by cleaning the sheathing with bleach and water.
Detergent and water will clean some cases of black mold.
If possible take it through the fastest path out of the house so that you do not contaminate major areas of the house.
This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.