Flush transition between bathroom and shower

**PaulDem** · 17th Sep 2020, 11:09 AM

Hi,

I am looking to do a small bathroom reno and have a flush transition between tiled area and shower (so it is flush level).

How should I be installing the waterstop angle, waterproofing, screed, tiles etc to ensure this flush level? I will also be having just one piece of glass as the shower 'screen' attached to tiled wall.

Cheers

**Gooner** · 17th Sep 2020, 12:08 PM

Small bathroom reno, or reno to a small bathroom?

I am doing a reno to a small bathroom right now. I will have an open shower and therefore "flush tiling" (so to speak) throughout.

With the size of the bathroom, I am not putting any waterstops in except at the door. Waterproof on top of the screed and fall it all into a linear grate. The biggest consideration in all of this is getting the fall right and you may be limited depending on where the shower is and the total fall to the grate. I have tried to place my linear grate as close to the door as possible so that I don't end up with a 50mm step into the bathroom!

So it depends on your layout. Alternative is to put a waterstop around the shower and depending on layout, possibly have a seperate drain in the bathroom area.

**PaulDem** · 17th Sep 2020, 04:48 PM

Are you saying with a walk in shower that no waterstop is required between shower base and tiles?

I'm just a bit confused as to how to achieve the flush transition between the shower and the bathroom. Do you:

1. Recess the slab 40-50mm in the shower base so when it's built up with screed, it ends up at the same level as rest of bathroom OR
2. If the slab is level does the entire bathroom have to have screed to ensure same level?

this is what confuses me.

**droog** · 17th Sep 2020, 08:55 PM

Originally Posted by PaulDem

Are you saying with a walk in shower that no waterstop is required between shower base and tiles?

I'm just a bit confused as to how to achieve the flush transition between the shower and the bathroom. Do you:

1. Recess the slab 40-50mm in the shower base so when it's built up with screed, it ends up at the same level as rest of bathroom OR
2. If the slab is level does the entire bathroom have to have screed to ensure same level?

this is what confuses me.

Either option will work, the end game is to have the floor sloping in the shower. For most average size showers the recess is only about 20mm.
Waterstop is required to stop water under the tile escaping from the wet area, sometimes this is simply set at the door to the bathroom.

**PaulDem** · 17th Sep 2020, 10:07 PM

Originally Posted by droog

Either option will work, the end game is to have the floor sloping in the shower. For most average size showers the recess is only about 20mm.
Waterstop is required to stop water under the tile escaping from the wet area, sometimes this is simply set at the door to the bathroom.

I came across a flush transition whereby the frameless shower screen was essentially attached to the tiles with clear caulk. Couldn't see a waterstop anywhere - may have been under one of the glass screens closest to fall...

**Gooner** · 17th Sep 2020, 10:29 PM

Give an idea of the type of floor and layout and this may help with advice.

As Droog has said, the purpose of a water stop is to ensure water stays in the wet area. The wet area is whatever you define it to be as along as (1) water has a way to drain from under the tiles and (2) water is stopped at least at the doorway and (3) you have drains with proper falls to them.

There is no strict requirement for a water stop around the shower. It’s more about managing how water is controlled to eventually drain away somewhere.

**droog** · 17th Sep 2020, 10:53 PM

Originally Posted by PaulDem

I came across a flush transition whereby the frameless shower screen was essentially attached to the tiles with clear caulk. Couldn't see a waterstop anywhere - may have been under one of the glass screens closest to fall...

Frameless screens are installed on silicon blocks, then the gap is filled with clear silicon. Attachment of the screen is unrelated to waterstop angles.
A waterstop angle is required to stop the progression of water under the tile into areas where you do not want it, with doorless showers this is a grey area as where is the outer area that water will fall? Another factor is that any area segmented and enclosed with a waterstop angle needs a drain as otherwise it is simply a tank to hold water.

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Flush transition between bathroom and shower

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