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Last question on linear drain (I hope)

Posted by lori_inthenw (My Page) on
Thu, Sep 19, 13 at 10:42

Planning on using the tiled-in Laticrete drain, but switching it to the longer side of the shower. This will mean standing on a slight side slope when facing showerhead, but it lets us get away without either a curb or a slight wedge-shaped drop, which seems safer.

The 5 ft drain will leave a couple of undrained inches at either end. Assume that is OK? Tiles will be large format, so just notched there. Installer generally uses Redguard waterproofing, but I told him he may need to use Hydroban to get the warranty. True or false? (He also prefers a different brand of thinnest and grout, but surely that is independent of the drainage/waterproofing system?)


Follow-Up Postings:

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RE: Last question on linear drain (I hope)

"The 5 ft drain will leave a couple of undrained inches at either end. Assume that is OK?" It is indeed okay.

"Installer generally uses Redguard waterproofing, but I told him he may need to use Hydroban to get the warranty." Yes, you'd want to use HB with the Laticrete drain.

"He also prefers a different brand of thinnest and grout, but surely that is independent of the drainage/waterproofing system?" Correct again, thinsets are independent of the drain system. One caution though. If he uses RedGard I'm guessing maybe he's a Home Depot guy? That means he might use CutsomBrand thinsets. If for whatever reason he wants to use Custom's unmodified thinset, consider having him use something else. My opinion. I'll never use it to bond one thing to another, but I do use it when setting cement board over plywood. That's about all it's good for, taking up space.

Custom's modified thinsets; VersaBond and FlexBond are fine. Again, my opinion.


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RE: Last question on linear drain (I hope)

Thanks, Mongo! (You've been so helpful, I'm afraid I'm going to have to put up a plaque with your name on it in this bathroom!) I don't know what he likes to use for thinset and grout, but I will find out when the time comes. Right now they are preparing to pour the slab, so need to know some things about the drain itself.


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