Decorative plasterwork – Introduction to the production of enrichments or ornament

Book courses

This one day workshop aims to provide an introductory guide to the production of enrichments or ornament as part of a scheme of decorative plasterwork in both lime and gypsum by casting in moulds and hand modelling.

9:30 a.m. - 4:30 p.m.
Ffion Blench

Charlestown Workshops

£ + VAT

This new one day workshop, through a mix of presentations and hands-on bench work, aims to provide an introduction to the production of enrichments (or ornament) using both lime and gypsum by casting in moulds and hand modelling techniques for decorative plasterwork schemes (traditional and contemporary).

Course suitability 

This workshop is suitable for those interested in exploring the tradition of decorative plasterwork schemes, their design and execution – this course may appeal to existing modern day plasterers wishing to explore their craft in more depth as well as building professionals and interior designers interested in conserving existing decorative plasterwork schemes or indeed designing new contemporary ornamental plasterwork.  

Learning outcomes:

  • Identify the different techniques of producing plaster enrichments (or ornament) on an existing plasterwork scheme;
  • Ability to understand the setting characteristics of both lime and gypsum, and where they can be used together;
  • Understanding of hand modelling techniques using armatures;
  • Ability to alter the setting times of gypsum plaster with the use of additives.

Course programme


  • Introduction to Scottish decorative plasterwork
  • ‘hands on’ examination of examples of historic plasterwork including hand modelled and cast ornamentation
  • Practical – modelling with lime to produce ornament (enrichments)


  • New practices and materials from 1700 to 1900
  • Practical – mould making with flexible moulds made from alginate and gelatine
  • Practical – modelling with gypsum plaster

Note: this workshop does not include running cornices

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Scottish Lime Centre Trust is a charity registered in Scotland No: SCO22692

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