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Setting Foam Shower Seat - Thinset?

 
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Old 05-21-2015, 01:43 PM   #1
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Setting Foam Shower Seat - Thinset?


I'm installing a foam shower seat similar to:


http://www.contractorsdirect.com/ima...s/14084_01.jpg

I have a mud pan and the seat will go on the pan and then the floor tiles will run up to the base of the seat.

Since the pan slopes, I want to put some mud down on the pan and then set the seat into it so that I can set the level of the seat and the entire base of the seat will be supported. I was going to use thinset but someone said I shouldn't. What should I use? Same floormix which I made the pan out of?
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Old 05-21-2015, 03:08 PM   #2
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Re: Setting Foam Shower Seat - Thinset?


I've used thinnest more than once to set those types of seats.

Tom

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Old 05-21-2015, 04:38 PM   #3
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Re: Setting Foam Shower Seat - Thinset?


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Originally Posted by tjbnwi View Post
I've used thinnest more than once to set those types of seats.

Tom
Tom,

That's what I needed to hear. Saw a youtube video where someone built a seat out of concrete blocks and thinset. Figured thinset should work just fine.
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Old 05-21-2015, 04:53 PM   #4
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Re: Setting Foam Shower Seat - Thinset?


Thinset is totally acceptable. Just make sure you get good coverage, no voids. And thinset on the wall portion too.
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Old 05-22-2015, 11:46 AM   #5
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Re: Setting Foam Shower Seat - Thinset?


lol, that's some bad planning. Good thing you don't do this for a living....
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Old 05-23-2015, 12:04 AM   #6
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Re: Setting Foam Shower Seat - Thinset?


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lol, that's some bad planning. Good thing you don't do this for a living....

Huh? Who are you talking to and what is bad planning? There isn't any bad planning.
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Old 05-23-2015, 12:38 AM   #7
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Re: Setting Foam Shower Seat - Thinset?


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Originally Posted by daxsmith View Post
Huh? Who are you talking to and what is bad planning? There isn't any bad planning.
You could have put the seat in first or not sloped that portion of the mud bed.
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Old 05-23-2015, 06:31 AM   #8
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Re: Setting Foam Shower Seat - Thinset?


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Originally Posted by Golden view View Post
You could have put the seat in first or not sloped that portion of the mud bed.
What do you do about the wall panels that go on the pan? Hold the walls up slide the pan under or cut the pan to the wall panels?

Pan, walls, seat has always been my order of install. That's the way every manufacture I know of recommends the products be installed.

Tom
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Old 05-23-2015, 08:39 AM   #9
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Re: Setting Foam Shower Seat - Thinset?


Quote:
Originally Posted by Golden view View Post
You could have put the seat in first or not sloped that portion of the mud bed.
Funny that he has the skill and knowledge to "pour" a pan, yet can't figure out how to put a foam/sponge seat on top of it later. Reminds me of floating a bathroom floor, then trying to figure out how to trim the bottom of the toilet so it'll match the slope.

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What do you do about the wall panels that go on the pan?
I've always viewed the bench as part of a wall because, well, it is.
But I will say I've never used foam/plastic or stuck a bench onto a wall afterwards.
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Old 05-23-2015, 09:08 AM   #10
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Re: Setting Foam Shower Seat - Thinset?


Its not rocket science, guys. The walls have had a kerdi membrane put on and then the seat is put in using thinset to bond to the walls and some under the front for leveling the seat. That way there is no penetrations through the kerdi. A lot better than some of the stupid things I see being done with cutting into the backer board and setting a seat on top of the lip of the board and then trying to waterproof.

I'll be putting kerdi over the seat too even though its not totally necessary with it being foam.
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Old 05-23-2015, 05:05 PM   #11
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Re: Setting Foam Shower Seat - Thinset?


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Originally Posted by daxsmith View Post
Its not rocket science, guys.
I agree, but there must be something to it as you've just joined and done nothing but ask "how to" questions.

Who told you you couldn't use thinset?
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Old 05-23-2015, 05:52 PM   #12
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Re: Setting Foam Shower Seat - Thinset?


Quote:
Originally Posted by daxsmith View Post
I'm installing a foam shower seat similar to:


http://www.contractorsdirect.com/ima...s/14084_01.jpg

I have a mud pan and the seat will go on the pan and then the floor tiles will run up to the base of the seat.

Since the pan slopes, I want to put some mud down on the pan and then set the seat into it so that I can set the level of the seat and the entire base of the seat will be supported. I was going to use thinset but someone said I shouldn't. What should I use? Same floormix which I made the pan out of?
I don't understand doing it this way.......doesn't this make the slope on the shower floor wrong.

Am I missing something?

___________
Mike
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Old 05-23-2015, 06:50 PM   #13
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Re: Setting Foam Shower Seat - Thinset?


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Originally Posted by CO762 View Post
I agree, but there must be something to it as you've just joined and done nothing but ask "how to" questions.
?
I do my research and I do things right. I was annoyed at some of the comments inferring I don't know what I'm doing. That's BS. Educating one's self doesn't mean someone doesn't know what they are doing. If more people did that they could avail themselves of some of the new technologies and have a better finished product.

Quote:
Who told you you couldn't use thinset
I had posted something about the seat in a forum (I don't recall if it was this one) and some guy said I couldn't use thinset. I didn't believe that. But giving him the benefit of a doubt I decided to ask here in case I was missing something.

Last edited by daxsmith; 05-23-2015 at 07:11 PM.
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Old 05-23-2015, 07:02 PM   #14
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Re: Setting Foam Shower Seat - Thinset?


Quote:
Originally Posted by JackP23 View Post
I don't understand doing it this way.......doesn't this make the slope on the shower floor wrong.

Am I missing something?

___________
Mike

Hi Mike,

I think you may have missed something. Maybe a photo will help.

The seat gets put into the corner with thinset on the verticals on the back sides of the seat. Since the floor slopes at a 1/4" per foot the front bottom of the seat would have a gap due to the floor dropping off. So you set it in some thinset and trowel it off flush so nothing sticks out past the base of the seat. All it does is provide some support to the bottom of the seat much like if you set a tub in a mud bed.

Your floor tile goes up to the bottom base of the seat. Then you tile the vertical on the seat and it will cover the joint where the floor tile butts up to the seat. Then tile the top of the seat, covering the vertical edges of the tile on the verticals.

Does that help?

The alternative to setting the seat in mud is to grind the bottom to match the angle of the shower floor. But the seat looks to have a waterproofing that I don't want to disturb.

Yes, I know the top of the seat will need to slope into the shower for water drainage.
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Setting Foam Shower Seat - thinset?-pentagon1.gif  

Last edited by daxsmith; 05-23-2015 at 07:12 PM.
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Old 05-23-2015, 08:14 PM   #15
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Re: Setting Foam Shower Seat - Thinset?


Quote:
Originally Posted by CO762 View Post
Funny that he has the skill and knowledge to "pour" a pan, yet can't figure out how to put a foam/sponge seat on top of it later. Reminds me of floating a bathroom floor, then trying to figure out how to trim the bottom of the toilet so it'll match the slope.


I've always viewed the bench as part of a wall because, well, it is.
But I will say I've never used foam/plastic or stuck a bench onto a wall afterwards.
If you're building the bench as part of the framing it would be part of the wall. In this case it is not.

A solid waterproof surface and then the bench makes for a pretty bomb proof installation.

Kerdifix a piece a 2" Kerdi board into a corner on the face of Kerdi board walls and it holds 600 pounds.

Tom
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Old 05-23-2015, 08:26 PM   #16
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Re: Setting Foam Shower Seat - Thinset?


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Originally Posted by JackP23 View Post
I don't understand doing it this way.......doesn't this make the slope on the shower floor wrong.
Am I missing something?
The slope of the pan won't change.
I don't follow a lot of what he says either. I think by him putting a piece or foam in the corner like this, he will have a one inch airspace around it where the walls end and the pan starts, what he calls "the floor". He left that big airspace so the rock won't suck up any moisture from somewhere. So now that will have to either be left as a air tube around this mcbench or fill it. Could be a novel way to run an extension cord for a shower fan or something. Dunno.
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Old 05-23-2015, 08:33 PM   #17
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Re: Setting Foam Shower Seat - Thinset?


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The slope of the pan won't change.
I don't follow a lot of what he says either. I think by him putting a piece or foam in the corner like this, he will have a one inch airspace around it where the walls end and the pan starts, what he calls "the floor". He left that big airspace so the rock won't suck up any moisture from somewhere. So now that will have to either be left as a air tube around this mcbench or fill it. Could be a novel way to run an extension cord for a shower fan or something. Dunno.
That "air tube" will be filled with silicone.
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Old 05-23-2015, 08:34 PM   #18
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Re: Setting Foam Shower Seat - Thinset?


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If more people did that they could avail themselves of some of the new technologies and have a better finished product.
Is that why you "poured" your masonry pan? I do that--sort of--but I am an older, old school type. I may have been asking dumb questions or silly comments, but I'm trying to get a grasp on you. Like I said you came in here and started two threads, asking how to questions.
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Old 05-23-2015, 08:36 PM   #19
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Re: Setting Foam Shower Seat - Thinset?


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That "air tube" will be filled with silicone.
That's a lot of silicone. If it's good enough for silicone there, why not just run that same 1 inch bead of silicone around the top of your "floor" instead of an air space?
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Old 05-23-2015, 08:38 PM   #20
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Re: Setting Foam Shower Seat - Thinset?


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Originally Posted by tjbnwi View Post
A solid waterproof surface and then the bench makes for a pretty bomb proof installation.

Tom
Thanks Tom. That was why I selected the products that I did. This shower is in a mcMansion being used as a B & B. Any leaks would end up going through the ceiling into a custom kitchen that costs more than my first house.

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