White Stuff In Attic

Attics contain plenty of food sources for mold including wood and insulation.

White stuff in attic.

This is why it s less common to see mold growth on base trim after a flooding event. The client will certainly expect an explanation for this white material on the roof rafters in the attic. When looking for attic mold trace both leak areas and areas of poor ventilation in the attic. White mold tends to grow in high humidity environments rather than areas suffering from total saturation.

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. It is difficult to declare this one substance over another simply based on one s senses of sight or smell. Rock wool is usually gray white off white or brownish white. White mold in attics.

It is a manufactured product made by melting basaltic rock and dolomite with added binders. The white insulation is probably cellulose insulation and yes it s blown in with a hopper it s made of ground up paper that s been treated to make it fire proof. It was blown usually until flush. After all some mold shows up as a white powdery material but more often in a crawl space than an attic.

White mold will look white cottony flakey and stringy and grows on organic materials. Yep the black is mold baby the white is drywall residue or maybe some water marking but that is one straight edge. The vast majority of attic mold is caused by humidity which is why white mold growth is common here. Bleach scrub off the mold increase your attic ventilation to rid the place of mold.

The raw material is heated to 2 750 degrees fahrenheit until it melts then the molten material is spun into fibers with air pressure.