Thanks for the replies.
Not sure I can bear to rip it all down but I agree with your explanations as it was a very small air gap to start with and the plasterboard is fixed to battens - it wasn't originally planned for acoustic insulation. It also does seem to be low frequency sound that is...
Hi,
I live in an ex-local authority semi-detached house with a solid 9 inch wall separating the two houses. When renovating my property I dry lined the dividing wall in the living room leaving a 25mm air gap between the wall and a single layer of 12.5 mm plasterboard.
We have new...