Black Spots On Wood In Attic

This can be caused by the action of fungal growth and molds and the affect they have on the tannins in the wood.

Black spots on wood in attic.

If the dark surface of the wood smudges it could be mold. Mold species such as stachybotrys chartarum which looks like slimy growth loves attic basement bathroom and space under the sink black mold can also grow behind the walls or attic ceilings completely undetected until the occupants smell the presence or experience health problems. 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. Dark black staining on wood surfaces if the wood in your attic shows any black discoloration the problem has moved beyond moisture.

Be sure to inspect the entire area to rule out the possibility of other fungi affected areas. The following picture is of a long standing moisture condition in an attic where much of the roof sheathing has turned black. Does mold on attic sheathing have to be removed. This summer i cleaned the portion of the black stain with a dry mop as much as i could reach from the hatch opening.

If the wood is soft if it s easily imprinted when you push on it it s probably rotten. When moisture condenses on plywood roof sheathing repeatedly or continuously the wood will turn black. Last winter i took a look into the attic and noticed black stains and water marks on a portion of the sheathing material. Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored.

Attic feels excessively hot or stuffy attics should feel breezy if they are properly ventilated. 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. You have mold that should be removed. Black mold can be identified by its often slimy texture dark greenish black sometimes gray color and growth that appears as spots or patches that spread over time.

The presence of mold inside your home even if it. Also inspect the cause of black fungi growth and fix it. When looking for attic mold trace both leak.