Pitched Externally Fitted

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 metal, clay and slate tiling. All components for the system are available from Unity Lime.

CROSS SECTION OF SYSTEM

  1. Existing/reclaimed/new tiles/slates
  2. Tile Batten
  3. New counter batten (min. 25 for ventilation). Please contact for metal roof
  4. ISOLAIR 35mm OR 40mm
  5. LDB 0.02 retrofit membrane
  6. PAVAFLEX between existing rafter
  7. Existing plasterboard or similar finish

SYSTEM PERFORMANCE

u-values
0.30 – 0.10

y-values
0.05 – 0.02

Airtightness
5 – 0.6 @50pa