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Old 04-24-2017, 08:28 AM   #76
cx
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Suit yourself, Billy, but you need that mud bonded to the slab regardless the application.

My opinion; worth price charged.
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Old 04-26-2017, 06:51 PM   #77
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Please change the title of this post to....Barrier Free Neo Angle Shower
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Old 04-26-2017, 07:21 PM   #78
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1) The concrete will be recessed 3". I was told to build a pre-slope on top of the foundation concrete inside the recessed area. What material works well for making the pre-slope?

2) I was told to lay a rubber liner on top of the pre-slope, run the liner up the wall to a height higher than the finished concrete floor, so 12" sounds good. And install a clamping type drain to allow water to run from the rubber liner into the drain. Good idea?

3) The next step was to install the wall boards down over the rubber liner and stop it about 1/2" above the rubber liner. Sounds right?

4) Then install the mud bed and slope it toward the drain, 1/4" per foot. Check?

5) Then waterproof the mud bed, walls, seams, etc. using Redgard. What you say?

6) Begin tiling.
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Old 04-26-2017, 08:01 PM   #79
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Billy, if you're building a curbless shower you do not want to do the pre-slope/liner/mud bed type receptor. You want to build a single sloped mud bed with a direct bonded waterproofing membrane and extend that membrane out onto your bathroom floor.

In no case do you want to use two waterproofing systems in any shower design.

My opinion; worth price charged.
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Old 04-26-2017, 08:36 PM   #80
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Should I install the wall boards, HardieBacker, down into the recess area and then install mud bed up against the wall boards? Then waterproof the mud bed and walls with Redgard?
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Old 04-26-2017, 09:38 PM   #81
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Like CX said if you are using a preslope, liner, and clamping drain type construction you do not want to use a surface applied waterproofing on the pan. It's one or the other but never both.
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Old 04-27-2017, 06:49 AM   #82
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Thanks..I will eliminate the pan inside the recessed area and go with the previous plan.....thinset, mudbed, and Redgard.

At what point should the hardieboards be added??
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Old 04-27-2017, 12:43 PM   #83
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Joint sealing/waterproofing

Will Redgard and/or Hydro Ban seal and waterproof the joint where my mud bed and concrete foundation meet?
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Old 04-27-2017, 01:03 PM   #84
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Not the question you're currently asking, but consider moving the shower head and controls from the center of the wall to the sink side. This is the one big change I wish I had made to my neoangle shower. My shower seemed small with the shower head centered on the wall, backing me up to the opposite wall. I added a second shower head near the corner and the shower now seems much bigger, with more distance from where I stand to the shower head. If I had offset the controls toward the corner I would be able to reach in and turn on the shower without the spray of cold water on my arm.
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Old 04-27-2017, 01:18 PM   #85
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If I understand correctly, yes if you cover the mud and slab it will be waterproof. What type of drain to you plan on using with your liquid waterproofing? Liquid on a pan is doable but the only method I would trust would be the "divot method".
If everything is going to be covered with a surface applied waterproofing the hardi can be put up whenever. But if using the traditional methods with a preslope, liner, clamping drain, and final bed its better to keep the hardi up off the pan because it will wick moisture as the final bed absorbs moisture.
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Old 04-27-2017, 01:33 PM   #86
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Quote:
Originally Posted by CX, Post #79
You want to build a single sloped mud bed with a direct bonded waterproofing membrane and extend that membrane out onto your bathroom floor.
And I would still much rather see you use a sheet-type waterproofing membrane for that shower receptor, my current favorite being USG's Durock Shower System membrane.

If you use the liquid applied membrane, you'll want to read and follow the manufacturer's installation instructions, which will usually specify a reinforcing fabric of some kind over a joint like that. You'll also want to honor such a joint up through your tile installation with a soft joint in your tile.

My opinion; worth price charged.
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Old 04-27-2017, 03:25 PM   #87
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Ryan,
I bought a SignatureHardware Triangle stainless steel drain and plan to install it in the rear corner. I also purchsed the clamping drain fitting that goes with the drain. I have not decided on my waterproofing technique. It will either be a USG Durock rubber membrane or a liquid membrane such as Redgard. The walls will likely be Hardiebacker covered with Redgard and fiberglass mesh on all seams and corners.
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Old 04-27-2017, 03:45 PM   #88
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With the sheet membranes you're going to need a bonding flange type drain.
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Old 04-27-2017, 04:06 PM   #89
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I think it is a bonding type drain...will see when it comes from in..
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Old 04-27-2017, 04:57 PM   #90
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Quote:
Originally Posted by Billy
It will either be a USG Durock rubber membrane
Billy, that's not a "rubber membrane" at all. It's a direct bonded sheet-type waterproofing membrane. Similar to Schluter's Kerdi, but a better product. If you use it, I'd recommend you use it for the entire shower.

My opinion; worth price charged.
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