Sylvester process
Revision as of 07:17, 24 July 2013 by (username removed)
Description
A method for waterproofing concrete used in the early 20th century (Bucher 1996). The Sylvester process used alternating applications of castile soap and alum.
Additional Information
W. Bucher, Dictionary of Building Preservation, John Wiley & Sons, New York, 1996.