Black Plywood In Attic

Black mold in attic can cause many problems both in health and property.

Black plywood in attic.

That is a stain caused by mold mould. Without proper ventilation in the attic high heat and humidity can build up which leads to moisture from a different source. Does mold on attic sheathing have to be removed. These are commonly seen underneath roof vents plumbing stacks vent hoods and around chimneys.

The following picture is of a long standing moisture condition in an attic where much of the roof sheathing has turned black. What are the tell tale signs of an attic mold problem. The plywood and the insulation felt dry but there were definitely a few sporatic black spots of mold. When moisture condenses on plywood roof sheathing repeatedly or continuously the wood will turn black.

You have mold that should be removed. Make sure to clean the mold properly and make your attic a dry well ventilated leak free environment to prevent mold. 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. After a long winded background my question is.

This latter phenomenon occurs when the house is too humid and the warm moist air seeps into the attic where it condenses and freezes on cold attic areas. In this photo of very dark mold in an attic in a wet attic mold which we found to be brown in the microscope looked black on the plywood. The new roof doesn t help much most of the moist air is likely coming up from below. Attic moisture and poor ventilation are the causes.

In the attic the most common places to find black mold are the places where water is likely to be a problem. Black mold in attics. Do i have a minor or major problem here. The presence of mold inside your home even if it.

Do i need to rip the siding and sheathing off and put a rain screen on. Or is a little bit of mold okay if the sheathing is drying out each summer and it. This can be caused by the action of fungal growth and molds and the affect they have on the tannins in the wood. Dark black staining on wood surfaces if the wood in your attic shows any black discoloration the problem has moved beyond moisture.

When an attic is stuffy that indicates you have a ventilation problem which often results in mold problems. Walls that are improperly insulated may develop mold because they will absorb moisture from outside. The variety i see most often is fuzzy green when active and goes black like that when dormant or dead. Attic feels excessively hot or stuffy attics should feel breezy if they are properly ventilated.

Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored.