Attic Plywood Black

The new roof doesn t help much most of the moist air is likely coming up from below.

Attic plywood black.

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. Get rid of black mold. After several years of this there may be. The presence of mold inside your home even if it.

You have mold that should be removed. 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. Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored. Black mold in the attic.

The second variable is the species of wood used in the plywood. In old houses you ll usually see some spots that are stained dark or black where there was a roof leak at some point in time which was repaired but the stain remains. This can be caused by the action of fungal growth and molds and the affect they have on the tannins in the wood. What are the tell tale signs of an attic mold problem.

Some woods are much more resistant to rot and fungal attacks. When an attic is stuffy that indicates you have a ventilation problem which often results in mold problems. The following picture is of a long standing moisture condition in an attic where much of the roof sheathing has turned black. 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.

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. When moisture condenses on plywood roof sheathing repeatedly or continuously the wood will turn black. Black or white staining in attic. The attic is one of the parts of the home that is not frequently visited especially if it is difficult to access.

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. 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. This latter phenomenon occurs when the house is too humid and the warm moist air seeps into the attic where it condenses and freezes on cold attic areas.

Why does attic mold rarely if ever affect indoor air quality in homes. If the wood is soft if it s easily imprinted when you push on it it s probably rotten. That is a stain caused by mold mould. When this seepage occurs it can often go unnoticed until a major problem makes it known.

Does mold on attic sheathing have to be removed. If the dark surface of the wood smudges it could be mold.