Blackened Wood In Attic

On the east side only there is black mold for the first 6 up the slope.

Blackened wood in attic.

A sign of roof leaks from ice damming or other causes. A sign of mildew or rot. Also notice the condensation stains at the shingle nail more evidence of a history of attic moisture which was a factor in this mold growth. The attic is truss framed with plywood sheathing.

Click photo for larger image. This can be caused by the action of fungal growth and molds and the affect they have on the tannins in the wood. You can also spot this in the summer. 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.

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 roof has baffles at alternating thusses soffit and ridge vents. However there are many different types of mold so if the mold in your attic looks different that does not mean you don t have a problem or don t need to worry about it or take action. When moisture condenses on plywood roof sheathing repeatedly or continuously the wood will turn black.

In most cases testing for attic mold is unnecessary. A sign that condensation is forming on metal surfaces. On attic mold visible on pine tongue and groove roof sheathing near the building eaves. It usually appears greenish black and streaky.

The mold shown in the attic photographed above was identified as aspergillus sp. The following picture is of a long standing moisture condition in an attic where much of the roof sheathing has turned black. Water stained or blackened wood. The mold itself may have a cottony texture but can also be velvety leathery or.

After several years of this there may be. High humidity in a space like an attic can lead to mold and a spill in a carpeted area of your home that isn t quickly taken care of can also lead to mold under the carpet. Some woods are much more resistant to rot and fungal attacks. If you re not sure what you re looking for here s a picture of mold in an attic.

Mold usually causes a musty odor and may cause staining that may be black brown gray white yellow or green.