Armstrong: Company and Product Timeline
Trace the changing company names and the decades associated with specific insulation and flooring products.
1860–early 1900s: cork and insulation
Thomas Armstrong established a cork business in 1860. The company expanded into cork insulation and industrial contracting in the early twentieth century.
About 1910–1933: Nonpareil
Historical product responses identify Nonpareil High Pressure Covering, Block and Cement as Armstrong-made high-temperature insulation products during this period.
1930s–1980s: flooring
Armstrong manufactured resilient floor coverings over many decades. Historical regulatory descriptions identify certain floor tiles and sheet-vinyl backings as asbestos-containing during specified periods; not every Armstrong flooring product contained asbestos.
1956–1959: L.T. Cork Covering
A specific L.T. Cork Covering construction used asbestos paper laminated with foil and cork segments. Other versions and dates must be distinguished.
1958–1969: contracting subsidiary
Armstrong Contracting and Supply Corporation (ACandS) assumed the contracting business in 1958 and was sold in 1969. Installed products could be made by other companies.
1967–1968: Armaspray
The California appellate record describes Armstrong production of Armaspray for the contracting subsidiary, with remaining inventory used into 1969.
Original historical records
Read the underlying product responses, patents, government records and court decisions with dates and source types clearly identified.
Start with what you remember
Remember a product, a room, a crew, an old carton or a period of work? Those details can guide a historical investigation.