This is a harmless cosmetic only mold that does not damage the lumber and is not a pathogen for humans.
Harmless black mold in attic.
Black mold is considered highly toxic mold and poses terrible health risks.
Here s a good example of the observation that not all black mold is toxic black mold.
Is the attic mold harmful.
Many types of attic mold are harmless so finding mold in your attic should not alarm you especially if there have been no illnesses in the house.
Or black mold which turns out to be simply cosmetic and totally harmless.
This article describes indoor stains and deposits that are not building mold or in other examples harmless cosmetic mold.
Mold in attic is fairly common because attics are often damp.
Blocked attic vents may trigger the growth of black mold.
When the growth pattern is very flat and appears like staining it can cause confusion.
Be sure that the mold in the attic is harmful often in attics we identify an allergen such as cladosporium sp.
When investigating a building for a mold problem you can save mold test costs by learning how to recognize stuff that is not mold or is only harmless mold but may be mistaken for.
Cosmetic only ceratocystis ophistoma bluestain mold is shown on the floor joists in the new construction framing in the photo just above.
When making repairs be sure to turn off the power source before removing the blockage.
Black mold identification our online mold photographic library of what black mold looks like in buildings.
Fuzzy 3 dimensional mold growth is nearly always identified correctly.
Generally speaking white molds present less health risks than black mold.
Attic mold growth comes in a wide variety of colors and growth patterns some of which are often misdiagnosed.
Or see black mold harmless faqs questions and answers posted originally on this page.
There are some types of molds that pose health risks ranging from minor to extremely severe.
Once the mold is removed the attic vent should work to remove the moisture from the attic.
Black toxic mold can cause serious health problems.
Dark black staining on wood surfaces if the wood in your attic shows any black discoloration the problem has moved beyond moisture.
Attic mold harmless cosmetic.
Black mold and mycelium growth.
First is it really attic mold.
If your roof leaks or any attic windows leak you ve got moisture in your attic and probably need to consider attic mold removal.
On the other hand white mold is a powdery stringy flakey or filmy substance that can change colour or remain white making it difficult to identify.
Allergenic molds if inhaled in moderate to large amounts can irritate the sinuses or respiratory system.
The distinction between harmful and harmless mold in attics or under roofs is discussed further at.
Attic feels excessively hot or stuffy attics should feel breezy if they are properly ventilated.
Even if your roof and windows don t leak though humidity in the attic can lead to the growth of mold.
At left our photo shows harmless black mold on the sides of rafters or floor joists.
