Plywood In Attic Is Black

I live in a condo in nh and this roof was replaced in november 2008.

Plywood in attic is black.

Attic mold cleaner attic mold removal how to clean attic mold how attic mold gets there in the first place and what to do to help prevent attic mold. Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored. Something else you can do to help is get underneath the insulation and use 3m flashing tape to tape. Does mold on attic sheathing have to be removed.

Even if conditions are conducive to mold growth elevated moisture plywood made from a fungal resistant wood will resist mold growth for quite a while. It is also a potential breeding ground for black mold because it is often hot and humid and there is a potential for water seepage. Some woods are much more resistant to rot and fungal attacks. The following picture is of a long standing moisture condition in an attic where much of the roof sheathing has turned black.

When moisture condenses on plywood roof sheathing repeatedly or continuously the wood will turn black. 07 10 2009 09 24 pm 7. Saturday august 15 2020. Black mold on attic side of roof plywood.

Since the recent cold weather we have a unit owner that noticed frost black decking which they are concerned is 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. Black mold in attics. This can be caused by the action of fungal growth and molds and the affect they have on the tannins in the wood.

The attic is one of the parts of the home that is not frequently visited especially if it is difficult to access. Attic moisture and poor ventilation are the causes. The second variable is the species of wood used in the plywood. The variety i see most often is fuzzy green when active and goes black like that when dormant or dead.

Today s bge energy audit 8 15 20 in randallstown md yielded some great information that i want to be sure to pass along to as many people as possible because this stuff really makes sense. 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.