install a Tough x 1.2 X 1.2M square shower /wet room tray

Discussion in 'Plumbers' Talk' started by Thomas David Stocking, Jun 11, 2020.

  1. I will be installing this shower tray on to joists in a small on suit bathroom. It is the kind of extra strong tray that is OK to be mounted just on the joists without full suport. The jousts are a little uneven as its a old house, And the area was previously a Stair well so there are many joists with odd configuration. Can someone recommend a compound that will allow me to even the joists up with a glue like filler adhesive to facilitate fixing the tray with support on all joist top areas. We are talking up to 3mm gaps in some areas. I would want the tray supported evenly and level on all the joists beneath it.
     
  2. dcox

    dcox Screwfix Select

    I wouldn’t be happy laying a tray directly on joists. Suggest you level them with thin strips of hardboard or spacers then lay 18mm ply over and bed your tray on to that.
     

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