Plastering Advice

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Hiya

After stripping back the wallpaper in one of the rooms of my new house I found the plasterboard on one of the walls is in bad shape (buckled) and will thus need replacing. After stripping a bit back it seems to have been attached (semi-bodged DIY job) by just using 'dot and dab' adhesive method. The plasterboard has been attached directly to what I assume are breeze/cinder blocks.

Now, there is a little bit of evidence of of some damp ingress on one of the walls which I assume is because adhering plasterboard to solid brick wall means any moisture can be easily drawn up through the adhesive in to the plasterboard?

So, what are my options for re-plastering? I understand foil backed plasterboard is effective at preventing damp ingress however this cannot be bonded to the wall due to its foil backing and so I would need to 'batten' some wooden support frames to the walls and then screw the plasterboard directly to the support frames. Does this sound like something someone with no prior experience could do or should I just get a professional in to plaster properly? Money is a little tight but I would rather pay for a professional attempt it myself and mess it up. FYI I simply want to paint directly on to the paster-board so need an 'adequate' but not outstanding level of work.
 
If you are not worried about losing the small amount of space I would put some 2x4 in and board on top. You could skim it yourself but I get a pro in, it's not that much more. When you say you want to paint directly onto the plasterboard, that the best finish possible that you need.
 
You need to sort the existing damp issue and allow the wall to dry before plastering.

Got any details on the location of damp and the type of build of the house?

Also worth mentioning that foil backed is about insulation - not damp proofing.
 
Dot and dab isn't a bodge either, especially onto a block wall.

Framing the wall out is just hiding the problem, if you want to live in the house for any amount of time then get to the source of the damp.
 
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