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 Royal Oak home has vermiculite in the attic, it should be treated as containing asbestos until proven otherwise. US Asbestos Contracting provides licensed vermiculite removal throughout Royal Oak and Oakland County.
Vermiculite Risk in Royal Oak
With approximately 73% of Royal Oak's homes built before 1980, vermiculite attic insulation is a real concern — particularly in mid-century homes in neighborhoods like downtown Royal Oak, Woodward corridor, Vinsetta Park, Northwood, Pleasant Ridge-adjacent. The EPA advises avoiding any disturbance of vermiculite until professionally tested and removed.
Vermiculite Removal Cost in Royal Oak (2026)
- Typical Royal Oak attic (800–1,200 sq ft): $3,500–$8,000
- Large attic (1,200+ sq ft): $7,000–$15,000+
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