Stone has been used for thousands of years for many building types and comes in many shapes, sizes, and properties. Extremely durable when maintained, over time, stone can deteriorate when exposed to weather, moisture, or improper previous repairs or pointing mortar.

Learn about the formation of stone, material properties of common building stone, and common deterioration mechanisms. Review stone treatment options, including best practices, for dutchman repairs, cementitious mortar repairs, stone finishing, and stone carving. Craftworkers that are trained and educated in stone repair and restoration are assets to project teams and play a significant role in successful projects.

Learning Objectives

• Learn the background and basics of various stone material properties.
• Understand common deterioration mechanisms of existing stone facades.
• Understand important details with dutchman repairs and composite mortar repairs.
• Understand best practices and the importance of matching historic stone material properties.