Mold On North Side Of Attic Ceiling

The other side of the ridge is fine.

Mold on north side of attic ceiling.

Additionally if a house is well insulated and the attic is rarely used few mold spores may make their way down into the main living area. Mold on attic sheathing. In the attic photograph at left we show a mix of green gray and white attic mold. In the vast majority of cases the mold growth is caused by condensation.

Mold on one side of attic deck are you in the northern hemisphere in a cold climate zone. Here we explain when a roof tear off is justified as part of an attic or roof mold cleanup. Here s the question lol i have approximately 1 250 s f. 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.

Mold found in attic areas can be challenging at times when trying to pinpoint the exact cause and source of mold growth. Bathroom mold kitchen mold basement mold these areas tend to get all the hype but there is another area that property owners need to be aware of too the attic. Is it necessary to remove roof sheathing or framing to fix attic mold growth. I was thinking the problem could be humidity from the bathroom vent but then i checked the vent and couldn t notice any rust or damage.

5 common causes of attic mold. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. Attic or cathedral ceiling mold cleanup. Condensation will typically be much worse on the north side of the attic.

Of attic floor space the ridge pole is approximately 6 foot high there is mushroom vents 6 on the south side of the roof four soffit vents on the north side because of garage and cover over porch and about 6 soffit vents on the southside soffit along with one gable vent on. More important than the size of mold is the amount of exposure to it. Correcting attic mold contamination. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.

The plywood in the attic is all wet and black mold on the north side of the ridge. Do we need to remove the roof or perform other demolition to clean or remove attic cathedral ceiling or other roof cavity mold contamination. The roof deck is probably getting condensation on the underside due to humid air leaking into the attic. In the winter the sun will not reach the northern aspect of the roof leading to cooler temperatures and higher rates of condensation.

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. Air usually travels upwards so attic mold is less risky than mold on the main floor.