It is also a potential breeding ground for black mold because it is often hot and humid and there is a potential for water seepage.
Attic plywood black.
Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored.
This can be caused by the action of fungal growth and molds and the affect they have on the tannins in the wood.
Some woods are much more resistant to rot and fungal attacks.
While the black stains are either mould or just black dust from attic insulation settled on the.
The following picture is of a long standing moisture condition in an attic where much of the roof sheathing has turned black.
Last winter i took a look into the attic and noticed black stains and water marks on a portion of the sheathing material.
When this seepage occurs it can often go.
Does mold on attic sheathing have to be removed.
You have mold that should be removed.
Dark black staining on wood surfaces if the wood in your attic shows any black discoloration the problem has moved beyond moisture.
Even if conditions are conducive to mold growth elevated moisture plywood made from a fungal resistant wood will resist mold growth for quite a while.
The second variable is the species of wood used in the plywood.
The attic is one of the parts of the home that is not frequently visited especially if it is difficult to access.
When moisture condenses on plywood roof sheathing repeatedly or continuously the wood will turn black.
If the mold growth is thick may need to soak the trusses and plywood.
Black mold in attics.
Attic feels excessively hot or stuffy attics should feel breezy if they are properly ventilated.
In this photo of very dark mold in an attic in a wet attic mold which we found to be brown in the microscope looked black on the plywood.
You can effectively kill mold on wood in your attic using moldstat mold killer by soaking the mold growing on the trusses and plywood and allowing it to stay wet for at least 10 minutes then air dry.
The presence of mold inside your home even if it.
The black attic mold shown here confirms that this attic had a serious venting and moisture problem including moisture from sources lower in the building.