White Spots In Attic

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 spots in attic.

Attic mold is usually white green brown or black in color. White mold can be found anywhere conditions conducive to mold growth are present. Mold usually causes a musty odor and may cause staining that may be black brown gray white yellow or green. 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.

What does attic mold look like. The most common cause of attic mold by far is blocked or insufficient ventilation of the attic space. This growth while harmless can appear very similar to white mold growth. Mix 1 teaspoon of white vinegar or tea tree oil with each cup of water that you need to attack your mold colony.

The mold itself may have a cottony texture but can also be velvety leathery or. On wood or drywall it can look like a discoloration or stained area in large to small splotches or smaller spots and speckles. In the attic photograph at left we show a mix of green gray and white attic mold. When looking for attic mold trace both leak areas and areas of poor ventilation in the attic.