stone Cleaning
Stone cleaning
It is widely recognised that all types of masonry can be permanently damaged by cleaning methods in common use, however the Scottish experience demonstrates that the risk of damage can be so great that some types of masonry should never be cleaned. ...Principal cleaning methods
The principal cleaning methods usedTwo fundamental methods of cleaning buildings have habitually been adopted, although a number of specialised techniques have become available in recent years: ...
Published Guidelines
To assist practitioners in this involved area of work, a number of detailed reports, literature reviews and Technical Advice Notes have recently been published by Historic Scotland. Based on intensive research, these publications deal in depth with the cleaning of sandstone and granite buildings ...Industry Reaction
Industry has responded to this published research material, and developments have occurred with the launch and promotion of a variety of new cleaning methods.In recognition of the need to use more environmentally friendly and delicate techniques, a number of non-aggressive processes have been released. ...