This text brings together contributions from leading stone conservation practitioners. It discusses the philosophical principles on which stone conservation is founded and the need to understand the full history and development of a building before starting work.

This Technical Advice Note is aimed at architects, surveyors, engineers, building managers, contractors, conservation officers and owners who need to obtain matching stone for repairing a historic building or monument. Successful stone replacement requires detailed knowledge of the characteristics of the stone involved and the selection of compatible materials (that is stone that closely replicates the original in terms of its chemical, physical and mineralogical properties).The stone-sourcing process involves several steps: * establishing the significance of the building, and the...