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Black attic insulation.
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Over the years that continuous air leaking from the house up to the attic turns the fiberglass black with dust.
Walls that are improperly insulated may develop mold because they will absorb moisture from outside.
Is this mineral wool.
The reason the fiberglass gets discolored is that it s acting like an air filter.
Loose fill insulation comes in a variety of materials.
The 2 gable vents are the only venting.
So any place you see black fiberglass dig down and look for where the air is coming from.
Spray foam pink fiberglas vs.
The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.
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You get a free blown in machine rental with your insulation purchase.
The vent is just above the area in the picture.
In the attic the most common places to find black mold are the places where water is likely to be a problem.
We have a 1960 s ranch in columbus oh where i opened up our soffit to find this black faced barrier made by forty eight insulations that has loose fill fiberglass insulation on top of it as our attic insulation.
The black facing is paper like.
On 2020 09 08 by mod.
Blown in insulation is installed using blowing machines.
The area in the attic that has turned black is right under the gable vent.
What does this mean.
Insulation filters the air leaks from your house showing you signs of energy loss you might have noticed some black insulation in your attic or maybe around the perimeter of your basement where the house rests on the foundation.
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.
The area is over 2 bedrooms no moisture coming from below.
It makes adding insulation to your attic a breeze.
The black color is not the color of the insulation.