Historical insulation research
Unibestos: Navy and Shipyard History
Trace the early Navy testing history and later marine pipe-insulation uses.
Navy origins in the historical record
Pittsburgh Corning interrogatory responses describe 1930s federal Navy studies and early UNARCO manufacture. A later California appellate decision discusses Navy evaluations of Unibestos for heat performance and stability.
Pipe runs aboard vessels
Engine rooms, boiler rooms, passageways, overhead piping and tight equipment spaces are useful locations to recall. Pipe covering might be handled during construction, refit, repair or removal.
Names and dates to remember
Record the vessel, shipyard, trade, dates, pipe location, contractor and whether the work occurred during new construction or overhaul. Unibestos appears in historical Navy procurement discussions, including 1960s insulation specifications.
Follow the trade
Insulators, pipefitters, machinists and other shipyard trades may remember different aspects of the same pipe run: who installed the insulation, who opened equipment and who cleaned up.
Explore related Unibestos history
Return to the Unibestos historical library →
Unibestos Historical Insulation Library
Follow the Unibestos name across the UNARCO and Pittsburgh Corning years, with products, plants, packaging and workplaces.
Explore history →Unibestos: UNARCO to Pittsburgh Corning Timeline
A dated history of the Unibestos trade name, manufacturer transition and production years.
Explore history →Unibestos Pipe Covering: Shape, Materials and Installation
Recognize rigid half-cylinder pipe insulation, its dimensions, materials and fitting work.
Explore history →Unibestos Block and Custom-Cut Insulation History
Understand the documented block form and how it differed from standard pipe covering.
Explore history →Unibestos Cartons, Labels and Product Identification
Three-foot paperboard cartons, brand marks and the documented 1968 warning-label change.
Explore history →Unibestos Manufacturing: Tyler and Port Allegany
Two documented manufacturing plants and the dates Pittsburgh Corning reported for each.
Explore history →Unibestos: Navy and Shipyard History
Trace the early Navy testing history and later marine pipe-insulation uses.
Explore history →Unibestos in Power, Chemical and Industrial Workplaces
Industrial equipment and trade details that can help reconstruct insulation work.
Explore history →Pittcote, Pittseal and CS White Paint: Product History
Separate Pittsburgh Corning accessory coatings and mastics from Unibestos thermal pipe covering.
Explore history →Unibestos Historical Records and Primary Sources
Court decisions, manufacturer interrogatories and trust records for the Unibestos chronology.
Explore history →Historical source records
Federal court: Unarco to Pittsburgh Corning product-line history
Federal court: Pittsburgh Corning Unibestos manufacturing and insurance chronology
Federal bankruptcy appeal: Pittsburgh Corning corporate and asbestos history
Pittsburgh Corning Asbestos PI Trust
Start with what you remember
A product name, plant, pipe location, coworker or decade can be a starting point for investigating an asbestos exposure history.