White Powder Mold In Attic

It appears white or light gray like a coating of unsettled dust.

White powder mold in attic.

However i imagine it gets pretty humid in the summer. White mold can be confused with efflorescence a mineral deposit caused by water seepage. In the attic photograph at left we show a mix of green gray and white attic mold. The attic is basically a crawl space with loose insulation between the ceiling joists.

How to clean mold. White mold is usually found in cool and damp areas such as basement walls. Mold usually causes a musty odor and may cause staining that may be black brown gray white yellow or green. Some of the health symptoms that white colored mold can cause include eye irritations dizziness nausea allergic reactions respiratory infections headaches and depression.

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. I found approximately 10 percent of the roof rafters covered in spots with a white powdery substance which i assumed to be mold. When looking for attic mold trace both leak. Common areas of white mold growth include attic sheathing and crawlspace framing.

The most common cause of attic mold by far is blocked or insufficient ventilation of the attic space. What is the best way to clean up this problem. A trained mold inspector can readily determine if the growth structure is from white mold or efflorescence. 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.

White mold penetrates porous surfaces such as wood sheetrock and furniture. The attic seems dry at present. White mold in attics. The mold itself may have a cottony texture but can also be velvety leathery or.

The mold usually appears as a white powdery film and some people may not realize that it is even mold growth. 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. White mold is commonly found growing on wood surfaces. Attics contain plenty of food sources for mold including wood and insulation.