Common areas of white mold growth include attic sheathing and crawlspace framing.
White mould on roof felt.
Is it dangerous how to remove it.
Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.
This growth while harmless can appear very similar to white mold growth.
If you re ever unsure of what type you have calling in certified professionals to perform mold testing services immediately is important.
I ll assume you mean condensation on the underside of the roofing felt which means there is moist air in the loft space otherwise there could be no condensation this needs to be vented.
Typical roof mould damp cold timber condensation mold growth.
This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.
White mold is lesser known but still an incredibly dangerous species of mold to deal with.
In the vast majority of cases the mold growth is caused by condensation.
Take the baking soda and cover the area where the mold is on your felt fabric.
White mold can be found anywhere conditions conducive to mold growth are present.
You can use a light brush to go over the area to sweep away and to loosen up the dried mold for easy removal.
They can appear as numerous white spots or blots or even small fibers when the growth is uncontrollable.
When seeing under the microscope the body of the mold will look like filaments.
Algae lichens and moss for example.
You want the area to be free from anything that can add to or create a new problem.
Also the white mould in the attic is only on one side of the roof and that s the same side as the bedroom with the black mould.
A trained mold inspector can readily determine if the growth structure is from white mold or efflorescence.
We painted the bedroom a few months ago and the mould has came back despite having bought a good dehumidifier which is on most of the time when someone is in the room and it collects about 1 2 litres of water a day.
White mold commonly looks like bright fluff like spots that spread on numbers of surfaces from plants to wood and even bread.
Indicates condensation increase ventilation add soffit or ridge vents apply mould cleaner treat with boracol 10rh.
Metal salts washing down the roof surface from metal chimney flashing are often enough to kill of biological organisms that otherwise stain various roof surfaces.
Remove an dirt or debre from around the mold spot on your felt fabric.