Cleaning Building Surfaces
Dirt can be defined as a surface deposit of finely divided solids, generally held together by small amounts of organic material. The solids consist primarily of carbon soot, siliceous dust, and other airborne particulates such as inorganic sulfates. The nature of the organic binder that holds these fine particles together is chemically more difficult to characterize. It is probably largely made up of aliphatic hydrocarbons resulting from the incomplete combustion of both wood and fossil fuels.
KeywordsHistoric Building Building Stone Walnut Shell Copper Slag Mortar Joint
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- Ann E. Grimmer, Dangers of Abrasive Cleaning to Historic Buildings, Technical Preservation Services Division, Heritage Conservation and Recreation Service.Google Scholar
- Norman R. Weiss, Exterior Cleaning of Historic Masonry Buildings (Draft), Heritage Conservation and Recreation Service, Office of Archaeology and Historic Preservation.Google Scholar