The insulation was contaminated and we inspected the attic side of the ceiling drywall below for signs of leak stains or mold.
Attic has black mold.
What causes black mold in attic mold species such as stachybotrys chartarum which looks like slimy growth loves attic basement bathroom and space under the sink.
Mold presents itself in many shapes and colors including white brown yellow green and more.
However the cause of a house actually have a black mold problem can be caused by a plethora of different issues.
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.
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.
Mold usually causes a musty odor and may cause staining that may be black brown gray white yellow or green.
Why does attic mold rarely if ever affect indoor air quality in homes.
Reader comments q a.
You have mold that should be removed.
Attic mold is common and when testing any attic or home for that matter you will find some mold.
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.
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.
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.
It usually appears greenish black and streaky.
These toxic molds are aggressive fast spreading and can cause the most damage to your respiratory system.
Fungi specifically black mold is often found in attics for a variety of different reasons.
All of these molds should be dealt with but it s the dark gray and black molds that present the biggest problem in your attic.
Due to your attic being the closest thing to the roof of your house any moisture will end up there resulting in black or white mold.
The mold itself may have a cottony texture but can also be velvety leathery or.
Black mold can also grow behind the walls or attic ceilings completely undetected until the occupants smell the presence or experience health problems.