Rock wool

Description

A common name for fine grade of mineral wool. Rock wool is made by blowing molten stone to form fine vitreous fibers. Mineral wool is incombustible and used as a heat and sound insulator.

Synonyms and Related Terms

rockwool; mineral wool; Banrock [Johns-Manville]; Zerofil [Johns-Manville]; Rocktex [Philip Carey Co.]

Sources Checked for Data in Record

• G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 513

• 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