The objective of this study was to develop a test method to measure the hardness of masonry mortars with a pendulum hammer.
The objective of this study was to develop a test method to measure the hardness of masonry mortars with a pendulum hammer.
The focus of this project was to investigate test methods for determining water vapor transmission (WVT) rates in mortar and to assign appropriate WVT rates for specific hydraulic and non-hydraulic restoration mortars.
More than $165,000 will fund research to protect America’s historic legacy as part of the National Center for Preservation Technology & Training’s PTT Grants program.
Email: ncptt@nps.gov
Phone: (318) 356-7444 · Fax: (318) 356-9119
NCPTT - National Center for Preservation Technology and Training
645 University Parkway
Natchitoches, LA 71457
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