Vinyl Asbestos Floor Tile & Mastic — Asbestos Exposure Crosswalk

What This Equipment Is

Vinyl asbestos floor tile (VAT) is a 9 × 9 or 12 × 12 inch resilient floor tile made by binding chrysotile asbestos fiber into a vinyl matrix. From roughly 1950 through the early 1980s it was the dominant resilient flooring in commercial buildings, schools, hospitals, factories, government offices, and a large share of single-family homes.

The tile itself is only half the picture. VAT was bedded in asbestos-containing cutback adhesive (“black mastic”) — a petroleum-based mastic with chrysotile fiber added for body and crack resistance. The mastic typically contained more asbestos by weight than the tile. Floor leveler / patching compound used under the tile also commonly contained asbestos.

In industrial settings, VAT was specified for office areas, lab areas, control rooms, employee facilities, and any other interior space requiring a wipe-clean floor.

Why VAT and Mastic Work Was a High-Exposure Activity

Intact tile is non-friable in service. Exposure happens during installation cutting (knife or scoring tool releases fiber from cut edges), demolition / removal (scraping tile off the floor, then chipping or grinding off the mastic residue), and sanding (mechanical removal of mastic with sanding equipment generates dense airborne fiber).

The highest-exposure step is mastic removal. Cutback mastic, after years of curing and foot traffic, becomes hard and tarry. Tradespeople traditionally removed it by mechanical scraping, sanding, or — historically — solvent application followed by grinding. Each method liberated chrysotile fiber from the binder at close range.

Floor tile is also one of the most common asbestos products encountered by non-industrial workers: floor-care contractors stripping and waxing tile in schools and hospitals decade after decade, and homeowner / handyman renovators pulling up old kitchen and basement floors.

Manufacturers Named in Floor Tile / Mastic Litigation

  • Kentile Floors — vinyl asbestos floor tile
  • Armstrong World Industries — vinyl asbestos floor tile, mastic
  • Johns-Manville — flooring products
  • Congoleum — flooring products
  • Flintkote — flooring products
  • Mastic Tile Corp (Ruberoid / GAF) — vinyl asbestos tile
  • Amtico Floors — vinyl asbestos tile

Documented Product References

Images sourced from publicly available product-identification reference materials. Inclusion does not constitute a finding of liability against any company.

Trust Funds That May Apply

  • Armstrong World Industries Asbestos PI Settlement Trust
  • Manville Personal Injury Settlement Trust
  • Flintkote Asbestos PI Trust
  • Kentile Floors Asbestos PI Trust
  • Congoleum Plan Trust

Trades Most Exposed at VAT / Mastic Work

Floor tile installers and removers, floor-care contractors (strippers / waxers), maintenance carpenters, demolition / renovation laborers, building-trades crews doing remodels.

Jobsites in the Network Documenting VAT Use


Compiled from publicly filed asbestos litigation, EPA / state-DNR records, and industry-publication histories. Product and company references reflect what has been alleged or documented in publicly filed litigation. This page does not constitute a finding of liability against any company. Not legal advice; consult a licensed attorney about your specific situation.