Coving

Coving of stone
Photo credit: I. Maxwell

Description

A type of masonry deterioration where geologically weaker blocks in a stone wall disaggregate. Additionally, when too hard or more durable cementitious mortars are used to repoint the joints and beds, a honeycomb pattern can be formed with the selective losses of soft stone material.

Resources and Citations

• ICOMOS-ISCS: Illustrated glossary on stone deterioration patterns