Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture·Page 35·6.28
Insulation in cladding construction
Insulation can be incorporated into cladding systems provided it is either protected from moisture or is inherently unaffected by moisture.
Insulation can be incorporated into the construction provided it is either protected from moisture or is unaffected by it.
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/Technical Booklet C - Site Preparation and Resistance to Contaminants and Moisture.pdf