Vermiculite can commonly be found in attics and cinder block walls. It can be extremely dangerous when disturbed due to being contaminated with fine asbestos dust. We get questions all the time about what vermiculite looks like. Please refer to the photos below:
Vermiculite can be found at the bottom layers of insulation. For health and safety, it is always best to have a professional come assess your attic in an older home.
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