Thanks for taking the time to comment I really appreciate it, forgive me if I sound stupid I just want to be 100% you said the vb up against the breeze block before the batons go on ? that wont stop the celotex getting condensation on it ? I have attached a crude pic can you confirm which is the best way to do it, I don't know if there should be a gap between the celotex and cladding or can it go straight over the celotex ??stoneyboy wrote:Hi superslim007,
You need to prevent damp getting into the insulation where is would condense. So vapour barrier first.