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Old 03-15-2010, 12:44 PM   #1
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Kerdi shower system over slab


I'm remodeling a basement bathroom and would like to use the Kerdi shower set-up. What is the correct way to make the drain connection to my PVC rough in? It appears that I'll need to break up some of the concrete around the drain. Is that the right way to do it?
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Old 03-15-2010, 10:33 PM   #2
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Kerdi shower system over slab


What you do will depend on the base you intend to use. You're not slapping tile on a flat floor.
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Old 03-16-2010, 10:48 AM   #3
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What you do will depend on the base you intend to use. You're not slapping tile on a flat floor.
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No, I'm refering to the kerdi pre-sloped base and curb setup. I'm trying to determine the best way to make the connection between the PVC drain that's included and my rough-in which is in the slab.
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Old 03-16-2010, 05:27 PM   #4
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No, I'm refering to the kerdi pre-sloped base and curb setup. I'm trying to determine the best way to make the connection between the PVC drain that's included and my rough-in which is in the slab.
I would open the area around the drain as much as needed to set the schluter drain.
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Old 03-16-2010, 05:40 PM   #5
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I would open the area around the drain as much as needed to set the schluter drain.
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Thought I might have to do that. Thanks.
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Old 03-21-2010, 02:44 PM   #6
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Kerdi shower system over slab


The success of the KERDI Shower Kit depends on using the proprietary KERDI Drain. You will need a 2" PVC stub-up to connect to. But you will also have to open the floor about four inches around the drain to accomodate the drain cup that extends below grade with the KERDI Drain.

The hole then will have to be filled with concrete as the floor system is fitted and installed.
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Old 04-06-2010, 09:32 AM   #7
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Kerdi shower system over slab


I am also using a schluter shower pan for my bathroom. The pan is not quite as wide as my shower, but I understand I can widen it with mortar. Schluter told me to use "dry pack" mortar to extend the sides of the pan. What is dry pack mortar? Thanks.
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Old 04-06-2010, 09:48 AM   #8
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Kerdi shower system over slab


Here is a site with the mix and directions--shower pans, shower bases, bathrooms, showers, barrier free, ADA, bathroom remodeling, bathroom renovation


--Mike--

Don't bother hitting this one unless--you are bored.

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Old 04-06-2010, 09:51 AM   #9
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I am not seeing it - that site appears to be a competitor of Schluter...I'm missing something.
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Old 04-06-2010, 09:53 AM   #10
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OOPS---Shower Construction Info (a collection of posts) - Ceramic Tile Advice Forums - John Bridge Ceramic Tile

I've saved a lot of shower stuff--hit the wrong button--Mike--
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Old 04-06-2010, 09:56 AM   #11
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Kerdi shower system over slab


No prob
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Old 04-06-2010, 11:03 AM   #12
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I am also using a schluter shower pan for my bathroom. The pan is not quite as wide as my shower, but I understand I can widen it with mortar. Schluter told me to use "dry pack" mortar to extend the sides of the pan. What is dry pack mortar? Thanks.
Drypack is a term where you use very little water when you mix the batch. The mix is more "damp" then dry. Just enough moisture so it will clump together.
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Old 04-06-2010, 11:30 AM   #13
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Kerdi shower system over slab


Great - I'll probably go with the 5 Sand:1 Mortar mix like described on that site. Thanks a lot!
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Old 04-06-2010, 05:03 PM   #14
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Kerdi shower system over slab


For "dry pack"/deck mud...you can use sandmix straight out of the bag. It will be about 3:1 but that's fine in your case. Mix it so that a hand full will clump together like a snowball. Place it around the edges a little above the top of the Schluter slope surface then use a straightegde guided by the surface of the Schluter sloped floor to shave the top of the deck mud. This will maintain the proper slope for you.
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Old 04-07-2010, 06:33 AM   #15
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For "dry pack"/deck mud...you can use sandmix straight out of the bag. It will be about 3:1 but that's fine in your case. Mix it so that a hand full will clump together like a snowball. Place it around the edges a little above the top of the Schluter slope surface then use a straightegde guided by the surface of the Schluter sloped floor to shave the top of the deck mud. This will maintain the proper slope for you.
I'll do that, thanks a lot. Why does the guy on that site recommend adding more sand to the premixed stuff?
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