Documents in our library describe Glasweld (United States Plywood) as “incombustible, asbestos - calcium silicate board with a vitreous ceramic coating”.1 They give it as sold from 1959.1
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What each document says
Every statement about Glasweld (United States Plywood) in the documents, in each document's own words.
USPTO trademark case files (Trademark Full Text XML Data, Annual Applications, 2025 edition)
- Sold from: “first used in commerce 1959-01-09”, said by UNITED STATES PLYWOOD CORPORATION, as recorded by U.S. Patent and Trademark Office1
- Description: “INCOMBUSTIBLE, ASBESTOS - CALCIUM SILICATE BOARD WITH A VITREOUS CERAMIC COATING”, said by UNITED STATES PLYWOOD CORPORATION, as recorded by U.S. Patent and Trademark Office1
Kind of product
We list Glasweld (United States Plywood) with pipe covering and block insulation, from how the documents describe it. That page explains how such products exposed workers.
Trades that worked with products like it: Insulators and Insulation Workers, Pipefitters and Plumbers.
Pipe covering and block insulation by other makers (276)
Thermobestos · Superex (Johns-Manville) · Careytemp (Philip Carey) · Kaylo (Owens-Corning) · Unibestos (Union Asbestos & Rubber Co.) · Fire Felt (Johns-Manville) · Fireguard Jacketing (Philip Carey) · Firetard (Johns-Manville) · Flexible Trainline (CertainTeed) · Flexible Trainline Pipe (CertainTeed) · Frostproof (Keene/Ehret) · Gaf Hylo (GAF) · Griptex (Combustion Engineering) · Grosscell (Philip Carey) · High Temperature Insulation (Johns-Manville) · Hightemp #12 (Philip Carey) · Hightemp #15 (Philip Carey) · HT (Forty-Eight Insulations) · Hy Temp (Keasbey & Mattison) · Hy-temp (Nicolet) · and 256 more: all pipe covering and block insulation
See also
- United States Plywood: the company's documents, people, products and plants
References
- USPTO trademark case files (Trademark Full Text XML Data, Annual Applications, 2025 edition) (February 9, 1959). Not yet published in our library.
Cite this page
“Glasweld (United States Plywood).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/united-states-plywood-glasweld.
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This page is provided for general informational purposes and does not constitute legal advice. Every asbestos case turns on its own facts, exposure history, diagnosis, deadlines, available evidence, and applicable law. Reviewing this page does not create an attorney-client relationship. For advice about your specific situation, call 833-4-ASBESTOS for a free case review.