Black Ply Wood In Attic

Black mold in attics.

Black ply wood in attic.

Why does attic mold rarely if ever affect indoor air quality in homes. Dark black staining on wood surfaces if the wood in your attic shows any black discoloration the problem has moved beyond moisture. 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. When moisture condenses on plywood roof sheathing repeatedly or continuously the wood will turn black.

This can be caused by the action of fungal growth and molds and the affect they have on the tannins in the wood. Black mold in the attic. The attic is one of the parts of the home that is not frequently visited especially if it is difficult to access. Mold species such as stachybotrys chartarum which looks like slimy growth loves attic basement bathroom and space under the sink black mold can also grow behind the walls or attic ceilings completely undetected until the occupants smell the presence or experience health problems.

When this seepage occurs it can often go unnoticed until a major problem makes it known. 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. Attic feels excessively hot or stuffy attics should feel breezy if they are properly ventilated. The following picture is of a long standing moisture condition in an attic where much of the roof sheathing has turned black.

If your attic sheathing doesn t look like new construction and is visibly black or white stained like this picture you likely have a ventilation issue that needs to be addressed and mold remediated. 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 have mold that should be removed.