Black Mold On Roof Rafters

The mold itself may have a cottony texture but can also be velvety leathery or.

Black mold on roof rafters.

Mold species such as stachybotrys chartarum which looks like slimy growth loves attic basement bathroom and space under the sink. In the attic photograph at left we show a mix of green gray and white attic mold. This causes condensation to form on the cold surfaces in the attic especially roof rafters sheathing and trusses. When looking for attic mold trace both leak.

Skips a few trusses and reappears on the next panel or two. Leaks in the roof may also cause black mold in the attic. The photo at page top shows white attic mold on the roof sheathing and rafters and some brown or black mold on the attic side of ceiling drywall where we pulled back insulation. Mold usually causes a musty odor and may cause staining that may be black brown gray white yellow or green.

The black mold is on the first 3 truss panels. At the south end of the roof the ridge changes direction causing an overlay condition. Black mold in attic. Black mold can also grow behind the walls or attic ceilings completely undetected until the occupants smell the presence or experience health problems.

A 10 x 10 area of plywood has been removed to provide air into this area. Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements. Attic mold is often caused by warm moist air from the house leaking into the attic space. The roof has baffles at alternating thusses soffit and ridge vents.

There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread.