White Powder Mold In Attic

However i imagine it gets pretty humid in the summer.

White powder mold in attic.

How to clean mold. A trained mold inspector can readily determine if the growth structure is from white mold or efflorescence. Additionally efflorescence will typically dissolve under the application of a water mist while mold growth will not. The mold usually appears as a white powdery film and some people may not realize that it is even mold growth.

The attic seems dry at present. Rafters in the attic floor joists in the basement or crawlspace and wooden furniture are all places where you can find white mold. White mold in attics. White mold can be confused with efflorescence a mineral deposit caused by water seepage.

It appears white or light gray like a coating of unsettled dust. 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. White mold is usually found in cool and damp areas such as basement walls. Closer inspection under good lighting will reveal a fungal growth pattern of spots like tiny mushrooms.

The attic is basically a crawl space with loose insulation between the ceiling joists. Some of the health symptoms that white colored mold can cause include eye irritations dizziness nausea allergic reactions respiratory infections headaches and depression. The mold itself may have a cottony texture but can also be velvety leathery or. Attics contain plenty of food sources for mold including wood and insulation.

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. When looking for attic mold trace both leak. I found approximately 10 percent of the roof rafters covered in spots with a white powdery substance which i assumed to be mold.

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. Common areas of white mold growth include attic sheathing and crawlspace framing. White mold penetrates porous surfaces such as wood sheetrock and furniture. Mold usually causes a musty odor and may cause staining that may be black brown gray white yellow or green.