On 15/11/2019 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.
Plasterboad with insulation is as all celotex/kingspan is foiled.

The product he linked to specifically stated it was .
But you didnt bother to foillow te link did you?



As long as there is a DPC in the wall, I would seal the
outside with breathable water repellent sealant intended
for this purpose.

Oh FFS.

Is all your DIY knowledge from manufacturers brochures?





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