Plywood In Attic Is Black

The second variable is the species of wood used in the plywood.

Plywood in attic is black.

Since the recent cold weather we have a unit owner that noticed frost black decking which they are concerned is mold. Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored. 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 new roof doesn t help much most of the moist air is likely coming up from below.

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. 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. 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.

The presence of mold inside your home even if it. Does mold on attic sheathing have to be removed. The following picture is of a long standing moisture condition in an attic where much of the roof sheathing has turned black. 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.

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. Black mold on attic side of roof plywood. 07 10 2009 09 24 pm 7. Attic moisture and poor ventilation are the causes.

The variety i see most often is fuzzy green when active and goes black like that when dormant or dead. Black mold in attics. Something else you can do to help is get underneath the insulation and use 3m flashing tape to tape. This can be caused by the action of fungal growth and molds and the affect they have on the tannins in the wood.

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. The attic is one of the parts of the home that is not frequently visited especially if it is difficult to access. Saturday august 15 2020.