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Bathroom Fitting

Wet room on floating floor

Hi, I'm turning my garage into a ensuit wet room. I was going to screed the floor but cannot get minimum thickness of screed due to height of current concrete floor. After discussing this with building control he suggested I do a floating floor with 100mm insulation and 2 layers of t&g 22mm flooring (which I have loads left over) which will almost bring me up to the correct height. What's the process with tiling on top of this system? i would imaging I need a complete seal under the tiles, floor and walls but the floating floor system requires an expansion gap around the perimeter. Thanks in advance

2 Answers from MyBuilder Bathroom Fitters

hi i have done floating floors but not in wet rooms maybe you could use 75 mm insulation and screed on top of it

2018-03-27T08:20:01+01:00

Answered 27th Mar 2018

Hi use however much insulation you need to bring to needed height, as long as its laid properly and is solid with no big gaps,a floor of tongue and groove will move and in time the individual planks cup (bow) and could cause a problem with tiles best to put a 18 mm marine ply on top of them and maybe a little 4 mm on top of that around edge to grade it toward the drain then use the latex compound to screed which will seal and give you the right gradient to drain away the water with the tiles on top, IMPEY do a great easy fit level shower tray forms or various drainage systems for wetrooms. Hope this helps
GOOD LUCK

2018-03-28T08:15:02+01:00

Answered 28th Mar 2018

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