U5 – Finishes

U5 – Session 5:
Direct Plaster Practice
Clay Top Coat



Trainees can/are …

  • organize building site, materials and tools for plaster/render
  • aware of health and safety in relation to other workers, building site, machinery, equipment, PPE (personal protective equipment) and of issues specific to working with clay
  • able to apply the finish coat of a multilayer plaster/render


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


  • the different functions between interior (plaster) and exterior (render) clay finish
  • how to improve weather resistance on exterior clay finish
  • the additives to improve the resistance and how they can interfere with water vapor diffusion
  • the range of decorative possibilities


  • Exercises:
    • apply a finish coat to an interior surface
    • apply a finish coat to an exterior surface
    • try out samples with different textures
    • check good execution to ensure weather proofing
    • try out additives

Materials/Documents: U5 S5 – Session Plan

Training Time: 1 day