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-   -   Phil's Shower Project (https://www.johnbridge.com/vbulletin/showthread.php?t=84020)

420benz 03-26-2010 05:43 PM

Phil's Shower Project
If i use Hardi Board what can i use instead of the Kerdi system?

Tool Guy - Kg 03-26-2010 05:52 PM

Might wanna give us more hints on the question.

Is this application a tub or shower or......? And if you don't care to use Kerdi over the Hardibacker for waterproofing, tell us why you're against it so we don't suggest more of the same that you object to. :)

420benz 03-26-2010 06:47 PM

Plumbers and tile setters around hear never heard of Kerdi. That being said,if they are not using this system then what is the alternative?
BTW: I am planing to remove PVC shower[on a slab] and use tile.

e3 03-26-2010 07:27 PM


Houston Remodeler 03-26-2010 07:34 PM


Where is 'here' ?

420benz 03-26-2010 09:06 PM

Qwinnett County Georgia.

Houston Remodeler 03-26-2010 09:28 PM

::: humming Jeopardy! theme song ::: while waiting for our GA tiling buds to find us....

420benz 03-26-2010 09:31 PM

Does Schluter have a complete shower instillation video?

Houston Remodeler 03-26-2010 09:33 PM

yes, on the kerdi web site. Its not really complete enough to do a kerdi shower per se.... Have you read John Bridge's kerdi book?

Tool Guy - Kg 03-26-2010 11:46 PM

Hi Phil,

Noble Company has a bunch of demo videos for their shower products right here. :)

420benz 03-27-2010 07:48 AM

I eas on this site about a year ago,and i thought i saw a step by step picture demo of a shower install using Kerdi.Is John Bridge's book very informative? I need lots of pictures. I would like to use a PVC pan,but i can't find the correct size so i will have someone put down a mortar base.

Brian in San Diego 03-27-2010 08:05 AM


The Kerdi Shower Book is worth the 10 bucks, believe me. I bought it and I had no idea what I was doing. Between that book and his "Tile Your World" book and the support and advice I received here I completed a total master bath remodel.

With a little practice you can do a mud base. It isn't as intimidating as it seems. Sand and cement is pretty cheap so practice in the garage can be time and money well spent.


420benz 03-27-2010 09:04 AM

I will buy his book. Does it explain how to install the base? My concern is the Kerdy drain.How high from the slab. Also how thick at the drain,and how much of a slope.I also remember something about a pre-slope,than the final slope.I hope all of this is explained in Johns book.

Lazarus 03-27-2010 09:13 AM

Phil~ Part of the beauty of the Kerdi system is that there is no preslope required.

420benz 03-27-2010 09:41 AM


420benz 03-27-2010 04:27 PM

Installing curb on a slab
My thought is to nail the first 2x4 to the slab with a Hilti then nail two more 2x4's on top.Is this wide and high enough?

Brad Denny 03-27-2010 04:29 PM

Hi Phil,
Should be plenty high. Need to put some poly between the wood and the slab to keep moisture from the bottom warping the curb, though. :)

Crestone Tile 03-27-2010 04:33 PM


TS Jr 03-27-2010 09:18 PM

Even easier yet. ;)

ceramictec 03-27-2010 10:56 PM


what type of waterproofing are you doing?
This would help determine the route.

Deckert 03-27-2010 11:02 PM

I agree with Matt. Bricks are the easiest, cheapest, *fastest way to do it.

*yeah, the foam curbs are fast if you happen to already have one, but.....by the time the average person can track down an appropriate foam curb, get it back to the house, and set it they could have already grabbed a dozen bricks at Homers and been done.

JTreehorn 03-27-2010 11:13 PM

Bricks........4 sure.

MarkTarkus 03-27-2010 11:46 PM

1 Attachment(s)
Thinset some bricks to the floor.

scuttlebuttrp 03-28-2010 06:08 AM

Bricks here too. Even with a normal liner.

420benz 03-28-2010 09:22 AM

Mark: What size are those bricks,they don't look like the normal red brick 2 3/4x8x2 1/2.Exactly how wide and high should the curb be? Also,if i use brick do i still cover them with hardy board then the Kerdy?

Shaughnn 03-28-2010 09:29 AM

If you are using the KERDI system, you will just thinset the membrane to the brick and pre-slope. No need for cement board in those areas, though your walls will need either wallboard or cement board under the KERDI.

420benz 03-28-2010 11:28 AM

If i use a standard brick,the curb will finish at about 2 3/4wx6" hi [stacking two bricks + mortar. Is this hi and wide enough?

Shaughnn 03-28-2010 11:31 AM

Width is a matter of personal tastes. A general rule for finished curb height which I work by is "2 inches above shower pan". If I can use a system like KERDI and keep my inside height down, then my outside height *can* be lower if I want it to be.

420benz 03-28-2010 11:54 AM

This problem my determine which system to use. I am bringing the shower out into the TILED floor about 6"which means that the curb will be installed on top of the existing tile.PS.I really don't want to remove the tile.

MarkTarkus 03-28-2010 01:16 PM

Phil, those are 4" thick 8 x 16 cinder blocks cut in half to 4 x 4 x 16. Thinset to floor and fill with deck mud. I sometimes use 4 x 8 x 2" brick pavers double stacked. There's a block company near my house and they have lots of random stuff to choose from.

cx 03-28-2010 01:25 PM

Phil, if you'll keep all you project questions on one thread it'll help folks see what you're workin' on and what's been previously asked and answered. Thanks. :)

420benz 03-28-2010 01:40 PM

Will brick adhere to tile?

cx 03-28-2010 02:06 PM

Well, a fella would need to use some sort of bonding material, Phil. Don't know that any sort of brick would adhere to any sort of tile otherwise. Certainly not a ceramic tile.

What am I missing here?

420benz 03-28-2010 02:11 PM

I thought i was on the same post.

420benz 03-28-2010 02:12 PM

Will brick adhere to tile?

Deckert 03-28-2010 02:14 PM

He wants to thinset his bricks (for his curb) to the existing tile floor CX.

I would just cut the tile and thinset my bricks to the concrete. If you just can't or won't cut the tile back, then scuff up the tile (id score/scuff it with an angle grinder and diamond blade) and use a good modified thinset to stick your bricks down. But it really isn't the way I would do it.

420benz 03-28-2010 02:20 PM

XC: I think u moved this post to the wrong title. It belongs on Installing curb on slab.

cx 03-28-2010 02:26 PM

Phil, we can change the title to something generic any time you'd like to suggest a name. :)

But my response to the question is the same. You need some kind of bonding agent as Brannigan is describing. Depending upon what kind of tile surface you have, thinset mortar may stick to it just fine.

Still better to remove the tiles there, as he's also recommending.

My opinion; worth price charged.

420benz 03-28-2010 02:33 PM

If not Kerdi ????? and Installing curb on slab are two different posts. Now they are both combined.Can you put it back the way it was? BTW: I will remove the tile.

Crestone Tile 03-28-2010 02:39 PM


They (the forum mods / owners) prefer that everything remains in the same thread if it relates to the same project. It's easier for people helping out to know the entire scope of what's going on with your project.

Hardly applies to me though since I'm too lazy to read back more than two posts. :)

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