This course provides confidence in the repair principles, materials and techniques for traditional masonry buildings, covering mortar manufacture, practical repair methods and techniques, and aftercare of lime based materials.

Aimed at building professionals who have completed 'P1 Traditional Masonry Repair', this three-day workshop is tought through a programme of classroom and practical activities.

The course provides sufficient underpinning and practical knowledge of materials to enable effective development of specifications, supervision and snagging of the conservation works including repointing, stone indents, surface repair of stone, grouting, renders and harls and limewash.

Topics include:

  • Condition survey and recording of masonry;
  • Setting characteristics, pore structure and permeability issues of mortars;
  • Materials for repairs including sampling and analysis of mortars;
  • Gauged mixes, ‘hot’ lime mixes and gauged ‘hot’ lime mixes;
  • Specification and manufacture assessment process.
  • Obtrusive tile/stone repairs and stitching techniques;
  • Surface repairs to ashlar and profiled stone;
  • Renders & Harls - suction bonds, designing mortars and application of base coats;
  • Repointing ashlar masonry;
  • Second coats for mortar repairs;
  • Natural stone replacement including full and partial indents;
  • Manufacture of grouts and methods of grouting including hot mixed lime grouts.
  • Advanced surface repairs of stone including final coat mortars and replicating tooled surfaces;
  • Materials for consolidating delaminating stone;
  • Render & Harls – application of finish coats;
  • Lime wash and paint finishes.

Cost/fee for attendance: £492.90 + VAT
Upcoming dates: 13-15 May 2025
Book here