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Old 08-25-2017, 06:23 PM   #76
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2" above the finished height of the drain grate.
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Old 08-25-2017, 07:25 PM   #77
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Two inches above the drain is the code requirement for the curb height. The ANSI standard recommendation is two inches above the shower floor.
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Old 08-26-2017, 02:45 PM   #78
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Thanks!

Is there a minimum height that the kerdi drain body needs to sit at? There is a clamping ring drain installed and I have a kerdi drain adaptor that I'll be using.

With a prefabricated shower pan, will I need to put something underneath the pan to raise it any higher or will the drain work at the height that is already set by the kerdi shower pan?


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Old 08-26-2017, 07:19 PM   #79
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1- no, as long as its stable

2- um, no, you shouldn't need that. How low or high is the trap?
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Old 08-26-2017, 07:48 PM   #80
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What are you referring to when you say the trap?


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Old 08-26-2017, 07:50 PM   #81
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The J shaped part of the drain pipe right under the kerdi drain.
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Old 08-26-2017, 07:53 PM   #82
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Not sure about the height of the trap, but it's all encased in the concrete slab. I was just wondering if the kerdi drain would be at the proper height after installing adapter ring, etc. to fit in the prefab shower pan, or if it would be too high to sit correctly in the pan, and I'm going to need to raise the pan for some reason?

Sorry if I'm not explaining this correctly.


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Old 08-29-2017, 10:02 AM   #83
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I'm using a kerdi prefabricated shower pan, and it's not a perfect fit, so they recommend cutting it down where needed and extending with dry pack mortar. Couple questions about:

(1) should the pan and dry pack mortar go in before the kerdi curb, or curb attached to slab with thinset, then laying in pan and extending with dry pack?

(2) what exactly do they want you to use when they say "dry pack mortar"? Can anyone link me to the correct product at Home Depot?

Thanks!


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Old 08-29-2017, 10:29 AM   #84
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1- its far easier to install the pan before the curb

2- read this
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Old 08-29-2017, 11:27 AM   #85
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Great. Thanks!

I was thinking about ways to pitch the top of the curb besides a table saw (I don't have one). And thought of placing a small metal rod or something similar on the outside edge of the curb, then putting some thinset on top of the curb and running a trowel across it, with the metal rod on one side giving it an even pitch towards the shower all the way across the curb.

Then once that dries I can just thinset the kerdi and tile on top of that. Is that a feasible way of sloping the top of the curb?


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Old 08-29-2017, 12:33 PM   #86
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Metal, plastic, tile, pert near anything will work
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Old 08-31-2017, 01:49 PM   #87
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I had a handyman come out and level the floor but he only did a small section that he said was a low spot. But after putting the level across it, it didn't appear to be done correctly.

So I'm having him come back and pour leveling compound over the entire shower floor (3x5), to give me a completely new level surface to lay shower pan on top of. But I'm wondering how I should block off around the drain so no leveling compound runs into it. Is there anything guys will normally use, something circular shaped that would work to block off around the drain when we pour the leveling compound?

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Old 08-31-2017, 02:13 PM   #88
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Find a small piece of 5 inch PVC pipe or a PVC pipe junction connector can work
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Old 09-01-2017, 05:35 PM   #89
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Will this be a sufficient pitch for the shower to drain properly?

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Old 09-01-2017, 06:11 PM   #90
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The bubble doesn't tell us. Shim the level up to level, how much fall in how much distance? It needs to fall at least 1/4" per foot.
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