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I've read bits and pieces about folks who waterproofed their shower pan with Aqua Defense or Hydroban instead of using a shower membrane. They claim this saves time because they only have to do one layer of mud.

Does anyone have any experience with this? If it worked for you, what exactly is the process vs. two layers of mud with a membrane in between?

Mickey-D
 

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Moved thread to tiling.
 
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I've built them ----go to Latacrete web site---you will need to get the rught drain set.

I've built three Hydroban showers--all three over a concrete slab----several years on the oldest one---no issues that I am aware of.

When building over a wood framed floor,I still use the old fashioned mud and liner---

Have you considered a surface membrane?
 

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I've built them ----go to Latacrete web site---you will need to get the rught drain set.

I've built three Hydroban showers--all three over a concrete slab----several years on the oldest one---no issues that I am aware of.

When building over a wood framed floor,I still use the old fashioned mud and liner---

Have you considered a surface membrane?
Thanks oh'mike. I checked into Laticrete and that method looks pretty straightforward. Their drain is a little pricey...I wonder if you could use the Kerdi drain instead ($25 cheaper).

Do you use their 3701 mortar, or will other mortars work?
 

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I mix you own mortar ----

A Kerdi drain will work fine---or use the 'divot' method with a standard clamp type pan drain---I suggest you spend the money on the Kerdi drain,however.
 

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I've built them ----go to Latacrete web site---you will need to get the rught drain set.

I've built three Hydroban showers--all three over a concrete slab----several years on the oldest one---no issues that I am aware of.

When building over a wood framed floor,I still use the old fashioned mud and liner---

Have you considered a surface membrane?

Oh'mike, can you go over your method for building a hydroban pan over a slab? Specifically the drain.

Thanks,

Don
 

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You have two choices----

The simplest to do is to use a drainset with a membrane built in--Schluter Kerdi drain set or Latacrete membrane set---the membrane is bonded to the mud deck with thinset before the Hydroban is applied----go to Latacrete web site for instructions--

That drain set is rather high priced.

The other method --the one I use, is the 'divot' method--using a standard clamp style drain set (I always get a square drain cover,easier to cut the tile to,)

Latacrete has instructions for this method---in a nut shell---the deck mud is scooped out ar the drain clamp ring---allowing you to apply a heavy coating of Hydroban to waterproof the pan/drain connection---then the 'divot' is filled with more deck mud.
 
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