Black Around Nails In Attic

So likely the nails are very cold in winter and warm air in attic condenses around that.

Black around nails in attic.

Even our poorly vented attic below left was not as severely wet and moldy as the attic in grudzinski s photos above. Deficiency of vitamin b6 and b12 is the chief cause of having dark skin around the nails. I live in nj. Would this be mold starting at each nail site and is this black nails due to poor ventilation or old roof leaking at all the nail penetrations.

And i suspect this happens during winter. Be sure to inspect the entire area to rule out the possibility of other fungi affected. Roof is new 5 yrs over an old layer. Ive seen roof shingle nails get rusty due to poor ventilation as this attic had lousy ventilation but never black and the sheathing turn black around the nail.

The presence of mold inside your home even if it. Mold can form but often it. Our photograph above shows roofing nails protruding through plywood roof sheathing visible in an attic where there is no under roof condensation or moisture problem. 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.

If these isolated spots are seen away from these roof penetrations then the roof may be damaged and leaking. Precautions need to be taken to take you those around you and the environment as safe as possible. Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored. Does mold on attic sheathing have to be removed.

Once you notice black fungi growing in one part of the attic there could be a probability that it has been spreading to other areas. Taking nourishing food is vital therefore you should add food containing vitamin b6 and b12 in your diet. Rust or stains around roofing nails that protrude through the attic sheathing they re supposed to stick through are a clear indication of high attic moisture. For attic ventilation apart from soffits i also have a power vent which operates based on temperature.

Our example photos below show characteristic rust stains around roofing nails in a poorly vented attic below left and the absence of those stains around roofing nails in a well ventilated attic below right.