Revitalising Collyweston limestone slate production by artificial freeze/thaw splitting LAYCOCK, Elizabeth <http://orcid.org/0000-0003-3758-6829>, JEFFERSON, David, HETHERINGTON, Steven <http://orcid.org/0000-0002-9851-8478>, CLEGG, Francis <http://orcid.org/0000-0002-9566-5739> and WOOD, Christopher Available from Sheffield Hallam University Research Archive (SHURA) at: http://shura.shu.ac.uk/17168/ This document is the author deposited version. You are advised to consult the publisher's version if you wish to cite from it. Published version LAYCOCK, Elizabeth, JEFFERSON, David, HETHERINGTON, Steven, CLEGG, Francis and WOOD, Christopher (2017). Revitalising Collyweston limestone slate production by artificial freeze/thaw splitting. Construction and Building Materials, 159, 486-498. Copyright and re-use policy See http://shura.shu.ac.uk/information.html Sheffield Hallam University Research Archive http://shura.shu.ac.uk Revitalising Collyweston limestone slate production by artificial freeze/thaw splitting AUTHOR Laycock, Elizabeth Anne a; Jefferson, David b; Hetherington, Steven a; Clegg, Francis a & Wood, Christopher c Affiliations a. Sheffield Hallam University, Howard Street, Sheffield, S1 1WB
[email protected] b. Jefferson Consulting; The Old Armoury, Crown Business Park, Old Dalby, Melton Mowbray, Leicestershire, LE14 3NQ
[email protected] c. Historic England The Engine House, Fire Fly Avenue, Swindon SN2 2EH Corresponding Author Laycock, Elizabeth Anne +44114 225 3200 Howard Street, Sheffield, S1 1WB
[email protected] 1. Abstract Extraction of limestone roofing slate from Collyweston was an industry which was considered extinct by the early 1990's, with building repairs relying on wholesale recycling of roofing from demolished buildings.