We use large amounts of cement in stabilizing archeological ruins. Where can we obtain hydrophobic cements, such as those described on page 7 of the January 1973 article on Special Cements?
These are commonly made in the United States under a variety of names that usually include the word "waterproof" in the title. They may be obtained from the following sources: Bessemer Cement Company
Subsidiary of Louisville Cement Co.
510 Hanna Bldg., Cleveland, Ohio 11115Coplay Cement Manufacturing Company
Coplay, Pennsylvania 18037
General Portland Inc.
2800 Republic National Bank Tower
Dallas, Texas 75201
Martin Manetta Corporation
Capitol Cement Company Division
One Hamill Road, Baltimore, Maryland 21210
P.O. Box 5668,
Cleveland, Ohio 44101
Monolith Portland Midwest Company
American National Bank Bldg., Room 410
17th and Stout Street, Denver, Colorado 80202