Plywood In Attic Is Black

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.

Plywood in attic is black.

Some woods are much more resistant to rot and fungal attacks. 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. When moisture condenses on plywood roof sheathing repeatedly or continuously the wood will turn black. This can be caused by the action of fungal growth and molds and the affect they have on the tannins in the wood.

I spoke to the roofing company that did the installation and a second roofer that did other units for us and they re thoughts are that the attic does not have sufficient insulation. The second variable is the species of wood used in the plywood. Since the recent cold weather we have a unit owner that noticed frost black decking which they are concerned is mold. The mold is likely coming from a condensation buildup along your soffet a good trick would be to get in there and attach cut foam blocks at the top of your wall cavity up to the roof deck to seal the soffet of from the attic space wherever cooler and warmer air mix there will be condensation.

Saturday august 15 2020. 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. Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored.

The following picture is of a long standing moisture condition in an attic where much of the roof sheathing has turned black. 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. Black mold in attics. Attic moisture and poor ventilation are the causes.

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 on attic side of roof plywood. The variety i see most often is fuzzy green when active and goes black like that when dormant or dead. 07 10 2009 09 24 pm 7.

The new roof doesn t help much most of the moist air is likely coming up from below. The attic is one of the parts of the home that is not frequently visited especially if it is difficult to access. The presence of mold inside your home even if it.