And i suspect this happens during winter.
Reason for dark spots around attic nails.
Black or dark spots on toenails.
Nails are formed in the nail matrix the root of the nail.
Even in warm or dry weather you often will see stains around roofing nails penetrating the roof sheathing or condensate drip spots on the attic flooring or insulation left photo below.
This is the main reason why an attic inspection must be done and essential to prevent premature failure and to avoid health problems caused by mold.
So likely the nails are very cold in winter and warm air in attic condenses around that.
The dark spots are only around the nails and on the floor below the nails.
Vince has sent me an e mail and would like to get an answer.
Taking nourishing food is vital therefore you should add food containing vitamin b6 and b12 in your diet.
Which is the reason nail tips rust.
This common problem can happen because of an issue with your diet or the chemicals your hands are exposed to.
This is sure evidence of a condensation problem.
The most serious form of skin cancer says shari lipner m d ph d a dermatologist and.
Dark spots on toenails are thus common in people who walk barefoot.
Water spots on the flooring or sheathing is due to water condensation on nails that drips down through the subsurface.
If your nail is brown or black the most important thing to worry about is a nail melanoma a k a.
Stains and rust around protruding.
After several years of this there may be dark rings around protruding roofing nails and larger dark spots or areas on the roof sheathing and or exterior gable walls.
Deficiency of vitamin b6 and b12 is the chief cause of having dark skin around the nails.
This is caused by moisture condensing on the roofing nails and dropping to the surface below.
One wall is a interior wall and the other is a exterior wall.
Toenail discoloration is normal when the cause of the discoloration is not an injury or trauma then it can be a sign of an underlying medical condition.
I live in nj.
Mold can form but often it.
For attic ventilation apart from soffits i also have a power vent which operates based on temperature.