New shower: drain problems

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Old 10-03-16, 05:16 AM
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New shower: drain problems

Just had a new shower with a tile tray installed. It has a square drain. Regularly have to lift or wriggle the drain tile to start the drain flow. Once the drain starts it is perfect. Sometimes drains straight away. Is it a tiling problem or a plumbing problem? Seems to form an air pocket.
 
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Old 10-03-16, 12:31 PM
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Welcome to the forums.

That is an odd problem and not easy to understand or visualize.
Usually the tiles are solidly mounted and cannot be "lifted or wiggled".

Can you post a picture for us ? http://www.doityourself.com/forum/el...-pictures.html
 
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Old 10-03-16, 03:30 PM
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Photos of tiled shower base and drain

Hope these help with finding a solution to our problem.

The water appears to drain too slowly, which results in it pooling. Lifting the tiled drain cover results in the water flowing into the drain more quickly.
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Old 10-05-16, 05:31 AM
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I have had no reply from the photos???? Pools around the edges of the drain tile until you lift or wriggle it. If you leave it it keeps looking. Once it is moved, possibly letting an air bubble to escape (I assume) it drains perfectly with the drain tile in place. Any thoughts?
 
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Old 10-05-16, 06:26 AM
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This is a bit of a head scratcher....seems like it should work. Try putting small spacers, like maybe quarters, under the 4 legs to raise it a bit and see if that helps.

A more practical solution might be to replace the tile and support with a metal perforated drain. The trick with that would be finding one the right size. Or perhaps you could find someone to fabricate one out of perforated stainless steel.

Or perhaps drilling a single smallish hole (1/4" ?) right in the center would help. It would be easier to do if you had a spare tile you could drill first with a tile bit, and then use a metal bit for the frame.
 
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Old 10-05-16, 06:36 AM
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Try sealing the tile and grout. It is obviously surface tension that is building up and you need something to break that. Polish any metal parts as well so that water flows and doesn't bead.
 
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Old 10-05-16, 07:09 AM
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I have seen one bathroom sink do what you describe. Sometimes the water drains very slowly and you can see a bubble of air trapped under the stopper. If you lift or jiggle the stopper the bubble is released and the water drains properly.

I've played around with it and it only seems to happen when there is a good supply of water all around the drain. Water coming in from one side does not cause it and sticking a straw under the stopper seems to prevent it. So, anything you can do to allow the trapped air to escape or if you can prevent it from being trapped in the first place may help.
 
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Old 10-07-16, 06:12 PM
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Thanks

Thanks to everyone who had a suggestion to help with my problem. We've found that if we start the shower slowly, then increase the water pressure once the flow has commenced that the water drains without having to do anything more.
 
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Old 10-08-16, 04:46 AM
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You can try getting some plumbers putty and make a small, angled dam or diverter in your drain. It probably wouldn't have to be big. Just something diverting the water flow for 1/4 of the drain to upset the perfect flow of water and allow the air bubble to escape.
 
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