Triassic Posted February 22, 2021 Share Posted February 22, 2021 I need to construct the shower tray in a wet room. What sort of fall do I need to ensure the water flows to the plug hole. Link to comment Share on other sites More sharing options...
nod Posted February 22, 2021 Share Posted February 22, 2021 If your forming it in a screed I normally aim for 20 mil fall 15 minimum Link to comment Share on other sites More sharing options...
Onoff Posted February 22, 2021 Share Posted February 22, 2021 My Geberit wall drain said 1 - 2%. With my wet room corner that equated to I think 14 - 28mm. I ended up at about 20mm so circa 1.5% and it drains a treat. I was worried that you would feel the slope when you walked across it. You don't. With hindsight I'd have gone 2%. 1 Link to comment Share on other sites More sharing options...
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