When moisture condenses on plywood roof sheathing repeatedly or continuously the wood will turn black.
Black plywood in attic.
Attic moisture and poor ventilation are the causes.
In the attic the most common places to find black mold are the places where water is likely to be a problem.
Or is a little bit of mold okay if the sheathing is drying out each summer and it.
You have mold that should be removed.
These are commonly seen underneath roof vents plumbing stacks vent hoods and around chimneys.
What are the tell tale signs of an attic mold problem.
The plywood and the insulation felt dry but there were definitely a few sporatic black spots of mold.
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.
If these isolated spots are seen away from these roof penetrations then the roof may be damaged and.
Dark black staining on wood surfaces if the wood in your attic shows any black discoloration the problem has moved beyond moisture.
Attic feels excessively hot or stuffy attics should feel breezy if they are properly ventilated.
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.
The variety i see most often is fuzzy green when active and goes black like that when dormant or dead.
Do i need to rip the siding and sheathing off and put a rain screen on.
This can be caused by the action of fungal growth and molds and the affect they have on the tannins in the wood.
Make sure to clean the mold properly and make your attic a dry well ventilated leak free environment to prevent mold.
Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored.
Does mold on attic sheathing have to be removed.
Black mold in attic can cause many problems both in health and property.
The following picture is of a long standing moisture condition in an attic where much of the roof sheathing has turned black.
Walls that are improperly insulated may develop mold because they will absorb moisture from outside.
Without proper ventilation in the attic high heat and humidity can build up which leads to moisture from a different source.
That is a stain caused by mold mould.
Black mold in attics.
The new roof doesn t help much most of the moist air is likely coming up from below.
The presence of mold inside your home even if it.
When an attic is stuffy that indicates you have a ventilation problem which often results in mold problems.
Attic should be free from excessive heat and moisture so black mold will not grow.
Do i have a minor or major problem here.