Slab On Grade Curbless Shower

 
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Old 09-12-2017, 09:40 AM   #1
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Slab On Grade Curbless Shower


What is the best way to do a 48" x 48" curbless (zero entry) shower with a slab on grade? One wall of the shower will be on an exterior wall. Plumbing wall is interior. I'm thinking about a few different approaches:

1. Our the slab with a 49"x49""2" piece of foam in the slab, then pull it out after the concrete hardens. This will create a recess in the concrete. Then I can set a shower basin OR fill, slope and tile after the walls are up.

2. Maybe I'm overthinking it and I should just have the concrete guys slope the floor to the drain and tile it. Would code require a trench drain this way?

I am planning on using Kohler Choreograph Shower walls (solid surface type wall panels).
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Old 09-12-2017, 12:20 PM   #2
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Re: Slab On Grade Curbless Shower


If you recess the slab with the foam sheet, make certain to also recess the subgrade so you maintain the proper slab thickness.

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Old 09-12-2017, 05:16 PM   #3
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Re: Slab On Grade Curbless Shower


Just form it with a 2" form and pour it. I wouldn't trust most concrete guys to get the slope correct, but if you have a REALLY good guy, then go for it.
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Old 09-12-2017, 09:03 PM   #4
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Re: Slab On Grade Curbless Shower


Quote:
Originally Posted by B.Johnson View Post
Just form it with a 2" form and pour it. I wouldn't trust most concrete guys to get the slope correct, but if you have a REALLY good guy, then go for it.
That's what worries me. These guys are ok, but...
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