Vermiculite attic insulation — primarily sold as Zonolite — was installed in millions of homes through the 1990s. An estimated 70% came from an asbestos-contaminated mine in Libby, Montana. If your Ann Arbor home has vermiculite in the attic, it should be treated as containing asbestos until proven otherwise. US Asbestos Contracting provides licensed vermiculite removal throughout Ann Arbor and Washtenaw County.
Vermiculite Risk in Ann Arbor
With approximately 62% of Ann Arbor's homes built before 1980, vermiculite attic insulation is a real concern — particularly in mid-century homes in neighborhoods like Old West Side, Kerrytown, Burns Park, Glendale Hills, downtown Ann Arbor. The EPA advises avoiding any disturbance of vermiculite until professionally tested and removed.
Vermiculite Removal Cost in Ann Arbor (2026)
- Typical Ann Arbor attic (800–1,200 sq ft): $3,500–$8,000
- Large attic (1,200+ sq ft): $7,000–$15,000+
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