Browse Forums Building A New House 1 Jun 24, 2018 4:51 pm Hi all, I am confused with different builders having different internal wall thickness.. most of them seem to have 90mm and few have 100mm upto 120mm. Would this have influence on the structural strength or thermal insulation? Is it a correct assuption to think 120mm internal wall thickness is superior to that of 90mm or would there be any other things to consider. Thanks, Shi Re: Internal wall thickness 2Jun 24, 2018 5:50 pm Structural strength does not matter for internal walls as long as they are non-load-bearing. It is up to you to decide how thick you want to go, but 70 and 90 mm are common thickness for the wood studs + you should be adding at least 10+ mm gyprock on each side. Thermal/acoustic insulation only matters when you put something inside to insulate (e.g. sound/thermal batts), otherwise doesn't matter unless you are talking about solid e.g. brick walls. Thicker walls means less room space, what is your main rationale for the thicker internal walls? Thank you alexp79 and gommeqld for your advice, that's very helpful, thanks 3 7921 3 10199 Sorry, don't know costs, but there are a couple of very important principles you need to get right (and now) .... (1) never agree to any "upgrade" unless you first know… 5 6835 |