A thin gypsum board used as a support for plaster walls. Gypsum lath was introduced as a replacement for wooden laths. It has a plaster core with paper on both sides. The paper is unsized so that the plaster will adhere well. Gypsum lath was perforated for better adhesion of the plaster.
Sources Checked for Data in Record
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- The Dictionary of Paper, American Paper Institute, New York, Fourth Edition, 1980