Legal case with developer

[newcomers]

I have had to go legal with my developer and having had a thermal imaging survey and full structural survey done, many issues have been identified. As well as major issues with floors both upstairs and downstairs we have major heat loss which has been identified as being caused by incorrectly fitted dry lining, there is no continuous strip of adhesive around the perimeter of the boards.

The builder has so far refused to remove and refit drylining correctly but rather drill holes at specific intervals and inject foam to create a seal. We have refused so far but we are unable to reach the technical department at British Gypsum for their advice (They were the ones who initially told us they had be fitted incorrectly).

Would anyone know anything about this scenario and if that would be considered a suitable fix? I'm about to pay for a QS to cost up all the works required but need to know if drilling and injecting foam is a suitable fix.

Thanks

[New Home Expert]

Who is the housebuilder?

The main issue with foam is that it is expanding. It would be impossible to ensure the foam does not enter crevices it shouldn't or swell up so much it pushes the plasterboard out where adhesive is absent.

In addition, depending on the type of foam, it may be a fire risk and could also degrade and damaged electrical cables and plastic plumbing pipes located behind the drylining too.

The proper solution (removing boards and re lining) is expensive, time consuming and would mean you moving out of your home for several weeks, perhaps even months.

One thing for sure is your home won't be the only one on your development with this defect, something to have in mind when you discuss compensation with the housebuilder.