Dee Posted October 7, 2023 Share Posted October 7, 2023 Hi The shower tray I was about to install has a flat base to it, no indents ect, just totally flat....is this a problem as most I've looked at seem to have a patterned bottom? It appears to not be level either, it rocks from one corner to the diagonal corner. Should I send it back? Link to comment Share on other sites More sharing options...
nod Posted October 7, 2023 Share Posted October 7, 2023 I’m just starting ours today Bed it down on 10 mil of flexi tile adhesive Link to comment Share on other sites More sharing options...
Dee Posted October 7, 2023 Author Share Posted October 7, 2023 Others have said silicone adhesive is good enough Link to comment Share on other sites More sharing options...
Dee Posted October 7, 2023 Author Share Posted October 7, 2023 Also shoukd the ply be cut slightly bigger than the 800 x 800 tray or the exact size? Link to comment Share on other sites More sharing options...
saveasteading Posted October 7, 2023 Share Posted October 7, 2023 2 hours ago, Dee said: rocks from one corner to the diagonal corner. What matters is that water flows out. So check the running surface of it when installing, as well as the edges, from corners to drain. 1 Link to comment Share on other sites More sharing options...
Dee Posted October 7, 2023 Author Share Posted October 7, 2023 Great, thanks! Im using shower wall panels (so not tiling) therefore does the backerboard sit ontop of the tray? And do I need backer if I'm using panels? Link to comment Share on other sites More sharing options...
Dee Posted October 7, 2023 Author Share Posted October 7, 2023 Sorry, racing ahead in all directions. First hurdle reached....dry laid ply, tray and waste and waste sits slap bang behind a joist ( I've posted a picture) would have to notch out more the 50% of 5" joist to get it through and I know that's way too much. Can't bring tray forward either as not enough space. Don't want to put it on legs either. Any ideas?! Link to comment Share on other sites More sharing options...
Mr Punter Posted October 7, 2023 Share Posted October 7, 2023 Can you rotate the tray 180? Failing that, get one with the waste in a different location. 1 Link to comment Share on other sites More sharing options...
TonyT Posted October 7, 2023 Share Posted October 7, 2023 Get a flat steel plate made to span a good length of the joist and it will let you make the cut out 1 Link to comment Share on other sites More sharing options...
Temp Posted October 7, 2023 Share Posted October 7, 2023 1 minute ago, TonyT said: Get a flat steel plate made to span a good length of the joist and it will let you make the cut out +1 Although a hole at mid height on the joist better than notching. Sorry if you know this but... I leave a clearance hole around the trap in the ply. I plumb the bottom of the trap in position in the floor and support it losely in the right place but with some freedom to move vertically (eg clearance hole nneeded around pipes to allow say 10mm movement vertically). Then fix down ply and tray. Immediately fit top part of trap through hole in tray into bottom part of the trap. This pulls the bottom part up to the under side of the tray hence the need to allow for some vertical movement. Do some dry runs with spacer to represent the mortar/tile adhesive. 1 Link to comment Share on other sites More sharing options...
Lofty718 Posted October 7, 2023 Share Posted October 7, 2023 The kudos connect2 shower trays I bought. have the option of two different waste positions Check them out https://www.kudosshowers.co.uk/connect2-shower-tray/ Link to comment Share on other sites More sharing options...
Dee Posted October 7, 2023 Author Share Posted October 7, 2023 1 hour ago, Mr Punter said: Can you rotate the tray 180? Failing that, get one with the waste in a different location. I could but that eould make it very tricky to reach if needed. I did consider that but not really an option I'm afraid Link to comment Share on other sites More sharing options...
Dee Posted October 7, 2023 Author Share Posted October 7, 2023 9 minutes ago, Lofty718 said: The kudos connect2 shower trays I bought. have the option of two different waste positions Check them out https://www.kudosshowers.co.uk/connect2-shower-tray/ I looked at those but the joists would still interfere! Bloody typical! Link to comment Share on other sites More sharing options...
nod Posted October 7, 2023 Share Posted October 7, 2023 5 hours ago, Dee said: Others have said silicone adhesive is good enough If you put it on silicon it will rock Especially on a timber floor I’ve tiled and paneled around lots of trays that have relied on what’s on the walls to hold it in place Spend a tenner on some tile adhesive and do it once 1 Link to comment Share on other sites More sharing options...
TonyT Posted October 7, 2023 Share Posted October 7, 2023 Clean the. Bottom of the shower tray Get tile adhesive, rub the bottom of the shower tray with it to make sure it’s all covered almost like painting it in, put it on the floor with a notched trowel Link to comment Share on other sites More sharing options...
TonyT Posted October 7, 2023 Share Posted October 7, 2023 Oh and use 50mm pipe 1 1 Link to comment Share on other sites More sharing options...
Dee Posted October 8, 2023 Author Share Posted October 8, 2023 12 hours ago, TonyT said: Oh and use 50mm pipe Could I run the waste pipe parallel to the joist with fall and 'T' it into the sink waste to get under the joist?...see sketch There is a void of about 7" ( bathroom joists/void/ceiling beams) which would allow for plenty of wiggle room and fall. Link to comment Share on other sites More sharing options...
Big Jimbo Posted October 8, 2023 Share Posted October 8, 2023 Is the pipe from the sink going under joists or through them ? Link to comment Share on other sites More sharing options...
Dee Posted October 8, 2023 Author Share Posted October 8, 2023 42 minutes ago, Big Jimbo said: Is the pipe from the sink going under joists or through them ? Under. There is a void of 7" Link to comment Share on other sites More sharing options...
Big Jimbo Posted October 8, 2023 Share Posted October 8, 2023 Then that will be fine, and much better than cutting into joists. 1 Link to comment Share on other sites More sharing options...
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