Does mold on attic sheathing have to be removed.
Plywood in attic is black.
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.
The second variable is the species of wood used in the plywood.
Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored.
The presence of mold inside your home even if it.
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.
When moisture condenses on plywood roof sheathing repeatedly or continuously the wood will turn 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.
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 variety i see most often is fuzzy green when active and goes black like that when dormant or dead.
I live in a condo in nh and this roof was replaced in november 2008.
Since the recent cold weather we have a unit owner that noticed frost black decking which they are concerned is mold.
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.
Black mold in attics.
07 10 2009 09 24 pm 7.
This can be caused by the action of fungal growth and molds and the affect they have on the tannins in the wood.
Something else you can do to help is get underneath the insulation and use 3m flashing tape to tape.
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.
Saturday august 15 2020.
Attic moisture and poor ventilation are the causes.
Black mold on attic side of roof plywood.
Some woods are much more resistant to rot and fungal attacks.
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.