In article ,
Andy Burns wrote:
Dave Plowman (News) wrote:

Not convinced so called acoustic board works any better than decent
plaster board. You need mass to stop sound.

"soundblock" plasterboard is about 30kg a sheet compared to 24kg a sheet
for "normal" 12.5mm stuff ...

Quite. Either thicker than normal plasterboard, or a double layer.

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*Santa's helpers are subordinate clauses*

Dave Plowman London SW
To e-mail, change noise into sound.