R or U-values do not tell the whole story about transmission heat loss
through the building envelope. In fact, the better you insulate your
building, the more you need to pay attention to rat-runs to get the full
benefit of the thermal separation.
The following instructions are a refresher for people who did thermal
bridge analysis before. For the 101 of thermal bridging, enrol in the
CEPH1 course at Passive House Academy New Zealand!
CLICK HERE to download the instructions [PDF, 943 KB]