Black Mold On Roof Plywood

The black mold is on the first 3 truss panels.

Black mold on roof plywood.

The white blown in insulation was used. What s causing black mold under roof sheathing. The roof has baffles at alternating thusses soffit and ridge vents. Best procedures for cleaning mold contaminated wood.

Prevent future mold growth. Mold usually grows due to excess moisture in the area either in the air or on a surface. Skips a few trusses and reappears on the next panel or two. Black mold 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. To prevent future mold growth remove the source of moisture causing it. When moisture condenses on plywood roof sheathing repeatedly or continuously the wood will turn black. On the east side of the house only the plywood for the first three trusses is black for about 6 feet up from the eaves.

On the east side only there is black mold for the first 6 up the slope. The following picture is of a long standing moisture condition in an attic where much of the roof sheathing has turned black. If you discover an infestation it is vital that you address it immediately to avoid hazardous damages. If there is a leak in the roof plumbing or windows the mold will reappear if the water is.

Move any un moldy plywood boards to a new storage area or remove the cause of the mold to prevent mold from growing on other boards. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. How mold on plywood in attic spreads. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.

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. 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. In the vast majority of cases the mold growth is caused by condensation. The attic is truss framed with plywood sheathing.