Conor Posted August 17, 2021 Share Posted August 17, 2021 Our stud wall guy has recommend full 18mm ply on bathroom walls for hanging basins, cisterns etc. This does seem the best option, but with four bathrooms and the price of ply still through the roof and no availability of OSB... Can I use 63x43mm timber to frame within the studs? Metal studs are 70mm. We also have a couple gerberit concealed wall hung cisterns which I understand come with their own frames then bolt to the floor. Do they need any additional support? Cheers. Link to comment Share on other sites More sharing options...
Mr Punter Posted August 17, 2021 Share Posted August 17, 2021 https://www.geberit.co.uk/products/installation-systems/geberit-duofix/ Looks good if you are doing metal stud. Link to comment Share on other sites More sharing options...
nod Posted August 17, 2021 Share Posted August 17, 2021 (edited) You don’t need to fully ply Just put them where they are are needed We normally put high pieces in Its easy to mark a drawing up accurately just use the cheap ply £8 a sheet Edited August 17, 2021 by nod Link to comment Share on other sites More sharing options...
Mr Punter Posted August 17, 2021 Share Posted August 17, 2021 5 minutes ago, nod said: just use the cheap ply £8 a sheet @nod you seem to get prices from the 1970s! No wonder you built your place so cheap. Link to comment Share on other sites More sharing options...
Conor Posted August 17, 2021 Author Share Posted August 17, 2021 16 minutes ago, nod said: You don’t need to fully ply Just put them where they are are needed We normally put high pieces in Its easy to mark a drawing up accurately just use the cheap ply £8 a sheet So you use 12mm ply then? Do you double board the rest of the wall to bring it out to match the plyed part? Link to comment Share on other sites More sharing options...
nod Posted August 17, 2021 Share Posted August 17, 2021 2 hours ago, Mr Punter said: @nod you seem to get prices from the 1970s! No wonder you built your place so cheap. It’s just cheap rubbish We get a good deal as we buy ten packs in at a time Link to comment Share on other sites More sharing options...
Mr Punter Posted August 17, 2021 Share Posted August 17, 2021 2 hours ago, nod said: Do you normally board over doorways and cut them out after? Same for windows? Link to comment Share on other sites More sharing options...
TonyT Posted August 17, 2021 Share Posted August 17, 2021 Yeah , we do that sometimes , it’s quicker and you can get full sheets over the opening and either side so less likely to get cracking. Link to comment Share on other sites More sharing options...
Oz07 Posted August 17, 2021 Share Posted August 17, 2021 I like to cut the doorway out after on my own stuff, not full board over though I don't mind having a joint on a nog in centre. All the newbuild sites seem to join in line with the frame urgh gash. Link to comment Share on other sites More sharing options...
Conor Posted August 17, 2021 Author Share Posted August 17, 2021 @nod how do you fit the ply? Is it within the studs? Link to comment Share on other sites More sharing options...
nod Posted August 17, 2021 Share Posted August 17, 2021 17 minutes ago, Conor said: @nod how do you fit the ply? Is it within the studs? Yeah Normally directly onto the back of the PB In your case you should board the inside of the bathrooms first Drive a dozen or so screws through The board to grab the ply If you need to fix the pattres to the metal Point the studs in opposite directions So you can fix through the face of the stud intro the ply and through the side of the stud at the other side Link to comment Share on other sites More sharing options...
Conor Posted August 18, 2021 Author Share Posted August 18, 2021 (edited) The cheapest 18mm ply I can get is £40 a sheet, and I'd need 30 sheets! There is no OSB anywhere! Could I use 3x2s within the stud channels and then use 12.5mm OSB (have loads on site) on the face? Edited August 18, 2021 by Conor Link to comment Share on other sites More sharing options...
TonyT Posted August 18, 2021 Share Posted August 18, 2021 You don’t need full sheets You need to figure out where the fixings are for accessories and put a rectangle of ply in for that item, ie towel rail, a piece bigger than the towel rail fixed to the wall. same with the sink, WC, toilet roll holder etc Link to comment Share on other sites More sharing options...
Conor Posted August 18, 2021 Author Share Posted August 18, 2021 8 minutes ago, TonyT said: You don’t need full sheets You need to figure out where the fixings are for accessories and put a rectangle of ply in for that item, ie towel rail, a piece bigger than the towel rail fixed to the wall. same with the sink, WC, toilet roll holder etc I'm more worried about the 1200mm wide wall hung vanity unit... surely it'll need something more substantial? Link to comment Share on other sites More sharing options...
TonyT Posted August 18, 2021 Share Posted August 18, 2021 You worry too much Link to comment Share on other sites More sharing options...
TonyT Posted August 18, 2021 Share Posted August 18, 2021 Put 3x2s in to catch the fixings, ie a full noggin/dwang 1 Link to comment Share on other sites More sharing options...
nod Posted August 18, 2021 Share Posted August 18, 2021 51 minutes ago, Conor said: The cheapest 18mm ply I can get is £40 a sheet, and I'd need 30 sheets! There is no OSB anywhere! Could I use 3x2s within the stud channels and then use 12.5mm OSB (have loads on site) on the face? Osb is fine 1 Link to comment Share on other sites More sharing options...
nod Posted August 18, 2021 Share Posted August 18, 2021 3 hours ago, Conor said: I'm more worried about the 1200mm wide wall hung vanity unit... surely it'll need something more substantial? It will be fine Link to comment Share on other sites More sharing options...
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