Rock cork

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Description

Molded sheets of Mineral wool with a waterproof binder, such as Asphalt. Rock cork is moisture resistant and was often used to insulate cold storage rooms. One commercial brand name for rock cork was Mineral-Wool Board.

Synonyms and Related Terms

rock leather; Mineral-Wool board [Armstrong Cork Co.]

Risks

May contain asbestos.

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 514
  • Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
  • Edward Reich, Carlton J. Siegler, Consumer Goods: How to Know and Use Them, American Book Company, New York City, 1937

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