U2 – Infill and Prefabrication

U2 – Session 3:
Hybrid Constructions (NSS)

Trainees …

  • know the different hybrid construction techniques and when to use them
  • know different structural options
  • know the dis-/advantages of every solution
  • Are aware of health and safety issues related to co-workers, building site, machinery, equipment, PPE (personal protective
    equipment) and the issues specific to work with straw and straw bales.
  • Can organize building sites at all stages (i.e.: take responsibility to leave the building site rain- and windproof, keep strawstacks fireprotected, remove loose straw after work,…).
  • Can take responsibility for the requirements of straw building in a “normal” building routine
  • Know the details (window, roof junction,… ) for hybrid construction techniques.


  • lecture/talk
  • explanations
  • practice


  • different structural options of hybrid construction techniques and their characteristics and bale requirements
  • fixing bales with different techniques
  • compressing bales with different systems
  • advantages and disadvantages of hybrid construction techniques
  • details of connections: foundation, corners, windows and doors, roof, etc.
  • preparing different surfaces for plastering


  • working groups
  • preparing wooden frames and structures
  • infill straw bales in standing position (“on edge”)
  • compress the bales with different techniques
  • fixing the bales in the construction
  • airtight/windproof installation of a window
  • shaving the bales, if necessary
  • preparing bales/boards for plastering

Materials/Documents: U2 S3 – Session Plan

Training Time: 1 day