Hi.
Just wanted to give you a little more food for thought.
Another alternative to taking the whole thing down & starting again is to have an MF (metal-furring) ceiling installed.
This is a form of suspended ceiling that would hang directly below your existing one, losing you very little...
Hi.
everyone seems to be pointing you in the right direction!
Just wanted to give you a little more confirmation!
Moisture resistant plasterboard (or Moisture-check) has a percentage of silicone mixed into the gypsum core, along with a small percentage of glass-fibres for reinforcement...