Attics usually have a passive ventilation system in which outside air comes in through the soffit eave vents at the bottom warms up in the attic and escapes through the can or ridge vents at the top because hot air rises.
Attic mold vs dirt.
We get this question dirt or is it mold asked a lot.
The most common cause of attic mold by far is blocked or insufficient ventilation of the attic space.
Particularly in cold climates when homeowners heat their homes in winter hot air tends to escape through the attic.
When looking for attic mold trace both leak.
You might see residual staining on the items.
White mold is lesser known but still an incredibly dangerous species of mold to deal with.
How to spot signs of black mold in air vents.
Consult a professional to have the mold removed in a safe effective way and make sure to also consult an ac pro to prevent a future infestation.
Is it dangerous how to remove it.
Mold investigators sometimes come across discolorations or stains that they suspect to be mold growth only to receive a report from the lab indicating there was no mold growth.
Usually it s not that hard to distinguish between mold and dirt but sometimes we are not absolutely certain either.
Mold requires two things to grow.
Distinguishing mold from dirt just by looking at a picture or looking from a distance can be really difficult but there are some tell tale signs.
Dirt that can attach to your insulation includes dust dirt from outside air that does not get filtered well and dirt from construction activity within your home.
The vast majority of attic mold is caused by humidity which is why white mold growth is common here.
Moisture can cause mold to grow on your fiberglass insulation.
With that said we ve learned quite a bit about white mold in our many years of mold inspection and removal.
Dirt and mold can adhere to the fiberglass sheets.
When black mold grows on walls floors.
This requires the ability to recognize mold growth as opposed to dirt stains or other discolorations.
If you re ever unsure of what type you have calling in certified professionals to perform mold testing services immediately is important.
White mold growing on exposed soil in crawlspace.
This occurs efficiently in attics with proper ventilation but attic mold can occur if the hot air meets the cold surface of the attic roof and creates condensation.
Staining is much more likely to occur with black mold vs.
Mold can be one of the negative effects of floods or can indicate a problem with your air conditioning system.
The photo at page top shows white attic mold on the roof sheathing and rafters and some brown or black mold on the attic side of ceiling drywall where we pulled back insulation.
The mold itself may have a cottony texture but can also be velvety leathery or resemble dust or granules.
Moisture in your attic.