Mission Statement

The aim of the Scottish Stone Liaison Group is to enhance availability, promote utilisation and advance knowledge and skills in design, specification and use of indigenous Scottish stone in existing and new build projects.

NEWSLETTER

Natural Stone Institute

Issue No. 10 Spring 2005

NSI launches Building with Scottish Stone

The Natural Stone Institute marked the launch of its important new publication, Building with Scottish Stone, by holding a CPD seminar on 17th January 2005 at the Scottish Executive headquarters in Victoria Quay, Edinburgh.

The event was a great success with around 80 delegates attending including, architects, planners, surveyors and local authority representatives. Speakers addressed many of the topics covered in the publication, including the geological and constructional characteristics of the various stones available, issues of best practice and the increasing impact of European legislation on specification decisions.

Following the launch of the publication, copies have been distributed to all the architecture practices in Scotland, as well as to all Local Authorities. Feedback from practitioners suggests that Building With Scottish Stone offers a practical guide to the often complex issues involved in procuring and using this material and is an essential reference source for all who specify stone.

Building With Scottish Stone is intended as a readable introduction to this important subject and as a valuable desktop reference guide for practitioners. Chapter Headings include What is Stone, Land of Stone, A History of Scotland抯 Masonry Construction, Building With Scottish Stone, Quarrying and Masonry, 態est Practice, Cladding Issues and Case Studies together with useful glossaries, references and reviews of other recent publications covering the use of stone in building.

Research Report: The performance of replacement sandstone in the New Town of Edinburgh

This Research Report is based on an analysis of the records of the grant-aided restoration schemes supported by the former Edinburgh New Town Conservation Committee. Ably undertaken by Dr Ewan Hyslop during his post-graduate architectural conservation studies, his geological expertise has been brought to bear on the detailed examination of 14 different types of replacement sandstone that have been habitually used in the New Town in recent times. This work has revealed that the more recently imported stones display a wide range of discrepancies when compared to the original stone.

Whilst his examination of published test data indicates that replacements appear to have similar physical and porosity test results, his interpretation of them through thin-section analysis illustrates that they have distinctly different mineral compositions and porosity characteristics. These primary geological variations can also be reflected in the outward appearance, colour and grain texture. His pioneering work has indicated that longer term compatibility issues could be potentially lead to accelerated decay of original masonry.