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Johns-Manville historical product research

Johns-Manville Manufacturing Plants and Product History

Explore historical Johns-Manville manufacturing locations and the products associated with them in company records, from Transite pipe to Marinite boards and insulation.

Original historical recordsOctober 2026

Locations and historical products

Billerica, Massachusetts

Company records list Marinite 23, 30, 36 and 65, metal-veneered Marinite, Molten Metal Marinite, Pallite and corrugated Transite among products associated with this plant.

Denison, Texas

The company response identifies Transite pipe production.

Green Cove Springs, Florida

The company response also identifies Transite pipe production.

Long Beach, California

Historical records name Thermobestos block, insulating cement, pipe covering, Metal-On and Transite pipe.

Manville, New Jersey

The company plant list includes many insulation products: magnesia, Superex, Thermobestos, pipe blankets, asbestos textiles, felts, papers, cements and Transite forms.

Nashua, New Hampshire

The company list includes Ebony, Ohmstone, Chemstone, Colorlith, Marinite, Flexboard and several Transite forms.

North Brunswick, New Jersey

Company records name Spirotallic gaskets.

Laurinburg, North Carolina

The response identifies railroad brake shoes and rubber rings.

How geography helps memory

A manufacturing city may appear on a carton, invoice, shipping document or company directory. A plant location can also lead to shipping records, contractors, former employees and local industrial history. The products above are those listed for manufacturing locations in the historical company response.

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Historical company response

Read the historical source: plant-by-plant manufacturing product lists ↗

Continue exploring Johns-Manville history

Historical product library →   Company history and Manville Trust →   Start with what you remember →