A two-day symposium with practical demonstrations.
DAY ONE
Presentations:
Marie Jackson, Research Professor, Geology & Geophysics, University of Utah: Hydrated Lime Mortars with Reactive Aggregates in Roman Architectural and Marine Concretes: Ancient Materials and Recent Reproductions.*
Robyn Pender, Building Scientist, formerly with Historic England: The need for capillarity - moisture movement in porous materials. *
David Wiggins, Structural engineer CARE, Clach Conservation: The structural performance of traditional air lime building mortars.
Nigel Copsey, Stonemason and Building Conservator: Why fat limes were the preferred binder for above ground construction – workability, bond and durability of bond.
Mette Midtgaard, Wall-painting conservator, National Museum of Denmark: Historic lime-rich mortar – what can past practice teach us today?
Emilija Nikolic, Architect, The Institute of Archaeology, Belgrade: The Palette of Roman Mortars from Viminacium and the Roman Frontier, Serbia.
Alex Holton, Building Surveyor, English Heritage: Design and application of mortars for ruined sites
Nigel Copsey, Stonemason & Building Conservator: Traditional lime rich surface finish mortars, their like-for-like reproduction and sustainability
*Remote presentation
DAY TWO
Presentations:
Damien Condon, Plasterer, Calx Restoration and Vitruvian Lime: Dry slaking at scale for plasters and renders
Eoin Madigan, Stonemason, Madigan Traditional Masonry: Dry slaked mortars for building and pointing.
Brother Joseph (M. Carm), Mason and Builder: Building a new monastery in Wyoming - a journey through different mortars.
Liz Laycock, material scientist, Sheffield Hallam University: Early results from strength testing of hot mixed 4:1; 2:1; 1:1 lime: aggregate mortars.
Practical Sessions:
Practical demonstrations and hands-on opportunity led by Damien Condon, Eoin Madigan, Nigel Copsey, Richard Jordan, Lee Gillard, Andy O’Brien.
Demonstrations of rough-casting; lime and hair; lime: sand and earth-lime building mortars; roofing mortars, ash mortars, flintwork. Different slaking methodologies.
USEFUL INFORMATION
Parking
Cheapest car park <10 mins from Minster: Foss Bank.
Nearest car park 5 mins walk from Minster: Bootham Row
Accommodation
Travelodge, Layerthorpe - 10 mins walk from Minster
Premier Inn, Blossom Street - 20 mins walk across city centre
