On 2019-11-15 15:54, Andrew wrote:
On 15/11/2019 14:50, The Natural Philosopher wrote:
On 15/11/2019 08:11, Tricky Dicky wrote:
On the internal walls dry-lining as you suggest is not a problem but
on the single brick exterior walls you would have to be sure there
was no damp penetration from the outside.

Wrong. The plasterboard contains a vapour barrier. It is designed for
this.



Only some variants do, intended for upstairs ceilings.

Most PB is not water vapour impermeable.

Plain plasterboard may not be but any decent insulated board does have a
vapour barrier.