U5 – Finishes

U5 – Session 6:
Direct Plaster Practice
Lime Mix Preparation



Trainees are …

  • able to organize building site, materials and tools
  • aware of health and safety in relation to other workers, building site, machinery, equipment, PPE (personal protective equipment)
  • able to understand the difference between air and hydraulic lime
  • able to prepare lime samples for the different layers
  • able to choose the appropriate mixture from the samples
  • able to prepare lime mixtures for the different layers


  • practical exercises at a workshop or building site together with relevant theory


  • the different materials that compose a mixture and how they interact


  • Exercises:
    • prepare different render mixtures
    • prepare a panel of samples with different ratios of lime, aggregate and fibre
    • assess the samples for resistance to abrasion, cracking and general durability

Materials/Documents: U5 S6 – Session Plan

Training Time: 1 day