White Powder Attic Insulation

43 53 kb perlite doesn t turn to powder in my experience.

White powder attic insulation.

There s also some fine white powder that blew in during the sandblasting. There is a layer of brown paper under it and the powder is about 2 thick. It was the consistence of talcum power click to enlarge. If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you generally don t have to be concerned about asbestos.

This stuff looked like and was the same size of styrofoam beads. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Does anyone have any idea what this stuff is. When we were removing the lath and plaster we found a white very fine powder insulation in the attic and sloped cielings.

I have some white powder in my attic but nowhere near 4 deep and only in a few places. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation. In the attic photograph at left we show a mix of green gray and white attic mold. For diy attic insulation you ve got two choices.

But when i pinched a bead of the stuff it easily turned to power. Loose fill or batt the common term for blanket insulation. This product is noncombustible noncorrosive and odor free. Common areas of white mold growth include attic sheathing and crawlspace framing.

There was multiple types of insulation in the attic. Northern white fibre glass blowing insulation is used in residential and commercial construction as a thermal and acoustical insulation. A trained mold inspector can readily determine if the growth structure is from white mold or efflorescence. Both can be added to uninsulated attics or layered over existing material.

I have had an asbestos survey done with no asbestos found in the powder. Additionally efflorescence will typically dissolve under the application of a water mist while mold growth will not. Always check labels for specifics on. 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.