Over the past 20 years, there has been a growing revival in the use of traditional materials for the restoration and maintenance of historic buildings and structures. The pivotal role of natural cement in 19th and early 20th Century construction has been rediscovered, but new research is required to update and redefine our understanding of traditional materials and performance expectations in terms of modern standards and testing protocols.

Topics cover:
• Mortar History
• The Rise of Natural Cement
• Historic Restoration
• The Natural Cement Revival
• First American Natural Cement Conference Papers
• Second American Natural Cement Conference Papers
• Supplemental Materials