1. 1 150mm or 225mm prestressed beam
  2. 2 Thermalite spacer block
  3. 3 EPS infill block
  4. 4 Psi-BlockĀ®
  5. 5 Damp-proof course
  6. 6 Structural grade overlay sheet min strength 130N/mm2
  7. 7 Structural concrete topping
  8. 8 Membrane if required
  9. 9 Air vents
  10. 10 Perimeter insulation (if required)

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