Detachment patterns

This is a list of commmon detachment patterns found on Reigate Stone, with reference to the category detachment in the ICOMOS glossary. This list is not an exclusive catalogue of decay patterns seen in Reigate masonry; however, it covers a significant number of extant conditions, which may in turn be linked to specific decay mechanisms.

black crust

Black Crust

Blistering stone at the Wardrobe Tower

Blistering

Powdering Reigate Stone at the Bell Tower, Tower of London

Disintegration (powdering)

Salt crust at the Wardrobe Tower

Salt Crust

Flaking stone at Hampton Court Palace

Scaling (flaking or spalling)

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