Hi Ann, here is a report on dot and dab, my engineers have matched this graph exactly, there are also many other similar reports online: quietco.uk/blog/nhbc-report-on-dot-and-dab-plasterboard/ After doing 1000s of soundproofing installations, you start to see trends, you start to see what works and what does not work. Thanks very much for your comment.

Hi @mathildaflower2388 please email: [email protected]

Hi Nathan2504, yes they can disconnect the joists upstairs as well as downstairs, we have done it in the passed, it is a huge renovation to do this and can cost tens of thousands of pounds. A most cost effective solution would be a really solid floating floor to the bedroom floor which costs £5K-6K Thanks very much for your comment, sorry for late in getting back to you.....I post regularly on my personal channel: Check out my personal channel for a lot more useful tips: kzfaq.info/get/bejne/iciTerOcrNStf2Q.htmlsi=wSqILrcZELoBH3Ab