Materials / Floor Tile

Floor Tile Asbestos Testing

What it is

Vinyl-asbestos floor tile (commonly 9x9 inch, sometimes 12x12) was manufactured with chrysotile asbestos as a strengthening and fire-resistant filler. Both the tile and the black or yellow mastic underneath are commonly asbestos-containing.

Where it's found

Basements, kitchens, bathrooms, schools, and commercial corridors. Anywhere durable hard flooring was installed in pre-1985 construction, especially common in Western Massachusetts triple-deckers and mid-century commercial buildings.

When and why

Heaviest use from the 1950s through the early 1980s. 9x9 tile is a strong visual indicator but does not confirm asbestos content, only lab analysis does.

How it's tested

Bulk samples are collected from the tile and the mastic separately, double-bagged with chain-of-custody, and analyzed by PLM (EPA 600/R-93/116). Mastic frequently requires point counting or gravimetric reduction to confirm trace results.

What your report covers

  • Tile and mastic results reported separately
  • Photo log of sample locations
  • Square-footage estimate of affected area
  • Recommendations for removal vs. encapsulation

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