Attic Plywood Black

When moisture condenses on plywood roof sheathing repeatedly or continuously the wood will turn black.

Attic plywood black.

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. Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored. When this seepage occurs it can often go. The second variable is the species of wood used in the plywood.

Black mold in attics. Dark black staining on wood surfaces if the wood in your attic shows any black discoloration the problem has moved beyond moisture. Some woods are much more resistant to rot and fungal attacks. 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.

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. This summer i cleaned the portion of the black stain with a dry mop as much as i could reach from the hatch opening. 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. The mold killer solution can be applied using a pressurized sprayer or for deeper penetration the fogmaster mold fogger.

You have mold that should be removed. If the mold growth is thick may need to soak the trusses and plywood. 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 following picture is of a long standing moisture condition in an attic where much of the roof sheathing has turned black.

Attic mold cleaner attic mold removal how to clean attic mold how attic mold gets there in the first place and what to do to help prevent attic mold. While the black stains are either mould or just black dust from attic insulation settled on the. This can be caused by the action of fungal growth and molds and the affect they have on the tannins in the wood. Attic feels excessively hot or stuffy attics should feel breezy if they are properly ventilated.

Last winter i took a look into the attic and noticed black stains and water marks on a portion of the sheathing material.