[Greenbuilding] DIY sloped tiled shower floor, simple version?

Sun Jul 30 21:26:01 CDT 2017

I like curbless and that is all I have done in designs and renovations. In new work it has been cemboard over sloped eps foam with membrane over and use one tempered glass panel as a buffer and no doors. I find it makes bathrooms simple and accessible. I find very few people use or even want a bathtub. There is a bit of an energy loss in this form of bathing but debatable as most baths people want are grossly oversized.

In renovations it has been really nice as you can take an older small bathroom with an old 2’6x5  tub footprint and with bifold glass doors make a completely accessible shower that when the doors are open the shower is part of the room allowing for full 3’ shower, toilet clearances, etc.

The strip drains make the geometry/slope easy and work well – expensive but if thought out well can simplify the trades work.

From: Greenbuilding [mailto:greenbuilding-bounces at lists.bioenergylists.org] On Behalf Of Lynelle Hamilton
Sent: Sunday, July 30, 2017 6:40 PM
To: greenbuilding at lists.bioenergylists.org
Subject: Re: [Greenbuilding] DIY sloped tiled shower floor, simple version?

I've had two curbless showers (both installed in a concrete slab). Sloped both to the drain (3") cement, epdm, mortar and tile (flat stones in the last one). Worked like a charm. NEVER had any overflow problems. Will install one in the new place, but use a strip drain as mentioned in previous posts. 

Lynelle

On 2017-07-30 7:07 PM, Norbert Senf wrote:

This page has good instructions, including a video of how to do the EPDM corners:
https://www.askmediy.com/how-to-make-a-shower-pan/

On Sun, Jul 30, 2017 at 7:01 PM, Reuben Deumling <9watts at gmail.com> wrote:

I'm coming around to the curb idea. I thought I'd learned here in response to a previous question that a curb was unnecessary, but with a plugged drain scenario, yeah... 

EPDM pan sounds good to me. Would you slope the floor beneath the EPDM? Is this a matter of sourcing some of it and carefully folding the corners? 
Mortar - I can work with that. 

On Sun, Jul 30, 2017 at 3:33 PM, RT <ArchiLogic at yahoo.ca> wrote:

Reuben;

Can't see any sketch and I don't know what you've seen on-line but IMO, plopping down some mortar on top of an EPDM pan is a lot easier and quicker nd ultimately less costly in terms of time and materials  than futzing with wood and cement board to make a sloped shower floor tile base.

re: No curb

Let's say the shower drain gets plugged with hair (or worse) and someone has turned on the shower and let it run unattended (or similar) and a few gallons of water have not found their way down the drain.  Could easily happen.

How does the "no curb" design handle such a scenario ?  Is there a gutter somewhere else that leads to a drain ?

On Sun, 30 Jul 2017 15:23:23 -0400, Reuben Deumling <9watts at gmail.com> wrote:

Is there any reason I can't cut a bunch of shallow wedges laid in a radial pattern that feather toward the drain, nail cement board on top, tape the seams and lay down the tile? 

This seems a lot simpler than some of the instructions I find online. My sketch above doesn't include any membrane or treatment of the seams where this sloped floor meets walls. The shower in question is in the corner of a small upstairs bathroom. The walls will be tiled and I would like/think I can get away with avoiding a step/lip where the sloped floor meets the rest of the bathroom floor

All thoughts and suggestions are welcome.

Thanks

Reuben

-- 

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Rob Tom T6015O
Kanata, Ontario, Canada

< A r c h i L o g i c at Y a h o o dot C a >

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Norbert Senf
Masonry Stove Builders
25 Brouse Road, RR 5
Shawville Québec J0X 2Y0
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www.heatkit.com

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