White Mold On Attic Rafters

When you see white spots on wood they are almost certainly white mold since efflorescence cannot appear on wood.

White mold on attic rafters.

Roof leaks will often lead to a small localized area of attic mold near where the leak is occurring. Various cleaning agents can tackle mold such as a simple dish detergent and water solution or a stronger method like diluted bleach. This is why it s less common to see mold growth on base trim after a flooding event. White mold is commonly found growing on wood surfaces.

Below are a few ways to check for possible roof leaks. 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. Is it dangerous how to remove it. Mould white blue or black spots on timber lining felt masonry.

The vast majority of attic mold is caused by humidity which is why white mold growth is common here. White mold tends to grow in high humidity environments rather than areas suffering from total saturation. White mold penetrates porous surfaces such as wood sheetrock and furniture. Rafters in the attic floor joists in the basement or crawlspace and wooden furniture are all places where you can find white mold.

Indicates condensation increase ventilation add soffit or ridge vents apply mould cleaner treat with boracol 10rh. Faulty roof insulation or construction can lead to leaks and a lack of proper ventilation can cause humidity to accumulate. If you let the mold grows it can become bigger white blotches and even into fiber like component if the mold colony grows too large. Typical roof mould damp cold timber condensation mold growth.

If you re ever unsure of what type you have calling in certified professionals to perform mold testing services immediately is important. The mold usually appears first as small dust like white spots. With that said we ve learned quite a bit about white mold in our many years of mold inspection and removal. Rafters sheathing joists attic side of fascia boards etc.

White mold is lesser known but still an incredibly dangerous species of mold to deal with. You actually want your attic to remain very cool during colder months for this reason. Then evaluate the area to determine how best to address the mold issue. Attic sheathing and framing.

Attic mold is often caused by warm moist air from the house leaking into the attic space. This causes condensation to form on the cold surfaces in the attic especially roof rafters sheathing and trusses. Check for areas of dark discoloration staining of wood e g. Before cleaning white mold put on protective gloves eyewear and a respirator.

In the attic photograph at left we show a mix of green gray and white attic mold.