Roof Flat

The system complies with the most stringent of standards – from baseline building regulations through to Passivhaus.

The system is suitable for most external finishing options including sedum, metal, timber or similar decking. All components for the system are available from Unity Lime.

CROSS SECTION OF SYSTEM

  1. Finish covering (such as green roof or gravel)
  2. EPDM
  3. WBP Plywood
  4. Battens for ventilation (100mm)
  5. Breathable roofing membrane
  6. ISOLAIR
  7. Rafters/PAVAFLEX
  8. Airtightness membrane (taped)
  9. Service void (25mm)
  10. Plasterboard 12.5mm

SYSTEM PERFORMANCE

u-values
0.26 – 0.10

y-values
0.05 – 0.02

Airtightness
5 – 0.6 @50pa