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 Novi home has vermiculite in the attic, it should be treated as containing asbestos until proven otherwise. US Asbestos Contracting provides licensed vermiculite removal throughout Novi and Oakland County.
Vermiculite Risk in Novi
With approximately 42% of Novi's homes built before 1980, vermiculite attic insulation is a real concern — particularly in mid-century homes in neighborhoods like downtown Novi, Twelve Oaks area, Grand River corridor, Providence Park district. The EPA advises avoiding any disturbance of vermiculite until professionally tested and removed.
Vermiculite Removal Cost in Novi (2026)
- Typical Novi attic (800–1,200 sq ft): $3,500–$8,000
- Large attic (1,200+ sq ft): $7,000–$15,000+
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