Vermiculite attic insulation — most commonly sold as Zonolite — was installed in millions of American homes between 1920 and 1990. The EPA has determined that most Zonolite insulation is contaminated with asbestos from the Libby, Montana mine. If your Chicago home has vermiculite in the attic, treat it as asbestos-contaminated until proven otherwise.
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☎ Call 888-221-9855Identifying Vermiculite in Your Chicago Attic
- Small lightweight gray or silver accordion-shaped pebbles
- Poured or blown loose-fill (not batts or rolls)
- Gray-brown granular material around light fixtures
- Home built between 1920 and 1990
Our inspector evaluates the attic without disturbing the vermiculite, takes a minimal sample for lab confirmation, and provides a full written report. All removal uses HEPA-filtered equipment and licensed Illinois disposal facilities.
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