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Discuss Foam leak from underneath shower tray in the UK Plumbing Forum | Plumbing Advice area at PlumbersForums.net

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New shower tray and waste recently installed and thankfully have a cut out in ceiling below from when I was checking it's initial seal, when I spotted yday foam (from shampoo/shower gel) escaping from underneath the shower tray, out the sides of the waste.

I never really liked the initial seal as was just a loose rubber ring on the trap that you screw tight from the tray side to make a seal.

Now after 2-3 weeks of my wife and I using it with no leak, it's worth adding that this only happened when my 18yr old son came to visit and like most teenagers likes to go through their entire thoughts in the shower, ignorant to the current energy crisis. And also no water was leaking, just foam being pushed out where he likes to go through a litre of shower gel per shower šŸ˜‚

That all said, aside from him changing his ways, what is the best way to improve the seal, can I add silicone to the top of the rubber ring so that when I screw it to the trap it compress and adds additional layer of seal?
 

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