Colours Found during Restoration of the Seville City Hall Facade
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Date
2016Subject/s
Abstract
Iron oxides, Pb3O4 (red lead) with PbO, azurite and calcite were used as pigments in the Seville City hall façade. A gold gild was present in some areas. A black crust caused by environmental contamination was responsible for the black colour. Acrylic resin and other added materials are also responsible for some of the colour changes. The stone was cleaned, reinforced and innovatively consolidated and protected using suitable materials for restoration. © 2016 The Authors.
Iron oxides, Pb3O4 (red lead) with PbO, azurite and calcite were used as pigments in the Seville City hall façade. A gold gild was present in some areas. A black crust caused by environmental contamination was responsible for the black colour. Acrylic resin and other added materials are also responsible for some of the colour changes. The stone was cleaned, reinforced and innovatively consolidated and protected using suitable materials for restoration. © 2016 The Authors.
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