Black Mold On Roof Sheathing

Mold on the underside of roof sheathing is also very common.

Black mold on roof sheathing.

The following picture is of a long standing moisture condition in an attic where much of the roof sheathing has turned black. In our roof interior attic photo at left you can see antique roof framing along with black stains and probably some mold growth from a long history of roof leaks. The presence of mold in your attic is often the result of poor ventilation insufficient insulation moisture from a roof leak or improper venting from your bathrooms or kitchen. How to get rid of black mold on wood and plywood this short article provides insight on cleansing mold discovered on surface areas of un finished wood structure products such as mounting lumber rafters flooring joists wall surface studs and also structure roof covering flooring and also wall surface sheathing such as plywood tongue and groove ache boards and also various other.

The effects of mold exposure depend on your health and the amount of mold you re exposed to. After several years of this there may be dark rings around protruding roofing nails and larger dark spots or areas on the roof sheathing and or exterior gable walls. Even in this case in our opinion the reasons to remove and replace roof sheathing and framing would normally be based on the condition of the roof framing and sheathing not on the. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.

The color of a mold isn t. When moisture condenses on plywood roof sheathing repeatedly or continuously the wood will turn black. Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements. This article offers advice on cleaning mold found on surfaces of un finished wooden building materials such as framing lumber rafters floor joists wall studs and building roof wall and floor sheathing such as plywood tongue and groove pine boards and other structural wood surfaces in buildings.

This can be caused by the action of fungal growth and molds and the affect they have on the tannins in the wood. Mold on attic sheathing. Mold can form but often it. Black mold refers to several species of mold which is a type of fungus that have a dark green or black appearance.

Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread. Mold that grows on the underside of roof sheathing due to ideal mold growth conditions being present. One such type is stachybotrys chartarum.