exterior wall with insulation

on the OUTSIDE

U-value with 60mm thick beam:

0.305 W/m2K
(may not exceed 0.6 by law)

from the outside inwards:

- exterior wall boarding

   in thermally modified wood
   (or other type of exterior wall cladding)
- 100 mm rockwool insulation,

   semi-rigid panel
- wind screen
- solid timber wall 45, 60, 69 or 90mm thick