Replacement of insulation may be necessary if this is the case.
Black on insulation in attic.
I see small blotches of gray insulation throughout the blanket which indicates that this insulation is black coated due to serious venting issues within the attic.
On 2020 09 08 by mod.
The black facing is paper like.
This can be done with heaters fans dehumidifiers etc.
This is typically done with an ulv fogger and sprayed throughout the attic area.
Insulation sheets are a solid color such as white which will make the dirt and mold easy to spot.
The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.
The black color is not the color of the insulation.
If the mold growth in the attic is pronounced you may see it presenting atop attic insulation.
Take note of any brown black green pink orange or yellow particles.
Insulation often turns black and there are numerous varieties of mould that we breathe every day without harm.
Is this mineral wool.
Also known as loose fill blown in insulation uses pneumatic equipment to blow particles into an attic usually where no insulating material has ever been installed.
Loose fill insulation comes in a variety of materials.
In just a few minutes of looking around the attic you can find the most serious air leaks from the house.
Such particles consist of one of three materials.
Use gloves a mask and a fan to protect yourself while cleaning in the attic.
Looking at the very first pic that you posted it appears to be a rock wool insulation.
If the mold goes through and to the insulation you will have to replace it as well.
While you might be able to clean a moderate amount of mold from a wall you cannot clean insulation at all.
The black insulation isn t necessarily black mould of the harmful kind.
Detergent and water will clean some cases of black mold.
Place a magnifying glass close to the insulation to observe dirt particles or mold spores that might be forming on your insulation sheets.
3 fog the attic with a mildicide.
In fact black insulation is the energy auditor s best friend because it tells us where the problems are.