July 6, 20215 yr Is it normal to insulate standard 4 inch waste pipes from sinks/showers/baths that are hidden in joists and cavity spaces in any way? Only against noise. If yes, what do you recommend?
July 6, 20215 yr Rockwool sound insulation. I did fit sound absorbing acoustic, ex recording studio panels in the void behind my Geberit frame. Near silent filling up and the flush is quiet too.
July 8, 20215 yr Author I meant 4cm pipe insulation on sink/shower waste pipes that are within the joists.
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