White Mold In Attic Roof

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White mold in attic roof.

Tea tree oil and white vinegar are both completely natural and safe for wood but. Also notice the condensation stains at the shingle nail more evidence of a history of attic moisture which was a factor in this mold growth. The mold shown in the attic photographed above was identified as aspergillus sp. White mold in attics.

Attics contain plenty of food sources for mold including wood and insulation. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. A trained mold inspector can readily determine if the growth structure is from white mold or efflorescence. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.

Because the majority of attic mold cases are caused by condensation it means you ll rarely find a smoking gun. In the vast majority of cases the mold growth is caused by condensation. The mold itself may have a cottony texture but can also be velvety leathery or. Typically the condensation is caused by several compounding factors.

The most common cause of attic mold by far is blocked or insufficient ventilation of the attic space. The white blown in insulation was used. There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread. Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements.

Common areas of white mold growth include attic sheathing and crawlspace framing. On attic mold visible on pine tongue and groove roof sheathing near the building eaves. Mix 1 teaspoon of white vinegar or tea tree oil with each cup of water that you need to attack your mold colony. Identifying the roof cause of attic mold.

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. There are two main factors that cause condensation. As such roof leaks from rainfall or melting snow condensation resulting from temperature fluctuations and or leaky pipes can give mold the moisture it needs to thrive in attics. The attic is truss framed with plywood sheathing.

This is where it gets tricky. On the east side only there is black mold for the first 6 up the slope.