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K-fac (U.S. Gypsum)

K-Fac was a U.S. Gypsum insulation.1,2 An insurance company's 1981 list of asbestos products, compiled from other companies' answers in lawsuits, lists it under U.S. Gypsum as pipe cover and block, without years.1 A 1990 EPA notice that published what U.S. Gypsum reported lists K-Fac Industrial Insulating Block, a rigid block insulation produced from 1943 to 1950 in East Chicago, Indiana.2

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Pictures

How K-fac (U.S. Gypsum) looked: labels, photographs and catalog pages from our library. Each picture has its own page and library number, so it can be cited on its own.

Asbestos claims

If you or a family member worked with or around K-fac (U.S. Gypsum) and later developed mesothelioma or another asbestos disease, a claim may be paid by the United States Gypsum Asbestos PI Settlement Trust. Free case review.

What each document says

Every statement about K-fac (U.S. Gypsum) in the documents, in each document's own words.

The Travelers Insurance Company's Product Information Booklet for Its Asbestos Seminar (1980–1981)

  • Form: “PIPECOVER & BLOCK”, p. 61

Asbestos; Publication of Identifying Information (1990)

  • Made from: “produced 1943 to 1950 in East Chicago, IN”, said by United States Gypsum Company, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 192
  • Made until: “produced 1943 to 1950 in East Chicago, IN”, said by United States Gypsum Company, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 192
  • Form: “K–Fac Industrial Insulating Block rigid block insulation”, said by United States Gypsum Company, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 192
  • Made at: “produced 1943 to 1950 in East Chicago, IN” (the plant: East Chicago, Indiana), said by United States Gypsum Company, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 192

Travelers Asbestos Products Printout, July 1981

  • Made from: “43”, p. 213
  • Form: “PIPECOVER & BLOCK”, p. 213
  • Made until: “50”, p. 213

USPTO trademark case files (Trademark Full Text XML Data, Annual Applications, 2025 edition)

  • Sold from: “first used in commerce 1943-05”, said by UNITED STATES GYPSUM COMPANY, THE, as recorded by U.S. Patent and Trademark Office4
  • Description: “HYDRAULICALLY BONDED ASBESTOS HEAT INSULATING BLOCKS”, said by UNITED STATES GYPSUM COMPANY, THE, as recorded by U.S. Patent and Trademark Office4

Label: K-Fac insulation (U.S. Gypsum Co.), Image

  • Sold from: “Date of First Use in Commerce: May, 1943”, said by United States Gypsum Company, as recorded by U.S. Patent Office trademark file5
  • Description: “insulation block” (as of 1953), p. 896

Kind of product

We list K-fac (U.S. Gypsum) with pipe covering and block insulation, from how the documents describe its form. That page explains how such products exposed workers.

Trades that worked with products like it: Insulators and Insulation Workers, Pipefitters and Plumbers.

Other pipe covering and block insulation by U.S. Gypsum (7)

K-fac 19 · Pyro-bestos · National · Pipecoverings · Rigid Block Insulation · National Anti-sweat · National Neverfreeze

Pipe covering and block insulation by other makers (269)

Thermobestos · Superex (Johns-Manville) · Careytemp (Philip Carey) · Kaylo (Owens-Corning) · Unibestos (Union Asbestos & Rubber Co.) · Johns-Manville Transite Asbestos Wood (Johns-Manville) · Jurid (Kirchbach'Sche Werke Kirchbach & Co.) · K & M (Keasbey & Mattison) · K & M Aircell (Keasbey & Mattison) · K&M Best in Asbestos (Keasbey & Mattison) · K-12 Cal Sil (Combustion Engineering) · K-20 (Combustion Engineering) · Kaiser M. (Combustion Engineering) · Kalfelt (Atlas Asbestos) · Kalsil (Atlas Asbestos) · Kay-Therm (Keasbey & Mattison) · Kaylo (Owens-Illinois) · Kaylo 10 (Owens-Corning) · Kaylo 20 (Owens-Corning) · Kaylo-klad (Owens-Corning) · and 249 more: all pipe covering and block insulation

See also

References

  1. The Travelers Insurance Company's Product Information Booklet for Its Asbestos Seminar (1980–1981) (April 30, 1981), p. 6.
  2. Asbestos; Publication of Identifying Information (February 13, 1990), p. 19.
  3. Travelers Asbestos Products Printout, July 1981 (July 1, 1981), p. 21.
  4. USPTO trademark case files (Trademark Full Text XML Data, Annual Applications, 2025 edition) (July 21, 1943). Not yet published in our library.
  5. Label: K-Fac insulation (U.S. Gypsum Co.), Image.
  6. Sourcebook on Asbestos Diseases: Medical, Legal, and Engineering Aspects, Volume Two (1986), p. 89. Not yet published in our library.

Mentioned on this site

Cite this page

“K-fac (U.S. Gypsum).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/u-s-gypsum-k-fac.

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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.