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Unread 10-01-2022, 01:55 PM   #16
cx
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You can do that, of course, Vanessa, but at some point you begin to defeat the entire idea of that top mortar bed. The top mortar bed in a traditional receptor build (yours) is meant to provide a solid, compatible backing material for your tile installation while remaining very porous so that moisture that penetrates the tile floor can easily find its way to the drain weep holes. When you cover the surface to any meaningful depth with a much less pervious material, such as your Quikrete Vinyl Patch (you're talking about the 1133?), you begin to defeat that design.

At what point is it too much? I dunno, but a solid dry-pack mortar bed works best.

My opinion; worth price charged.
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Unread 10-01-2022, 10:52 PM   #17
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Thank you for your advice, CX.
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Unread 10-06-2022, 05:52 PM   #18
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Type S Mortar

Can type S Mortar be used as a shower pan.
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Unread 10-06-2022, 06:58 PM   #19
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Vanessa, it'll help if you'll keep all your project questions on one thread so folks can see what you're working on and what's been previously asked and answered.

No. See Post #16. You want to use a 5:1 sand/cement mix with just enough water to hold it together. Stay somewhere between 4:1 and 6:1, but shoot for 5:1.

You can find some good information on mixing deck mud/floor mud/dry-pack type mortar in the Shower Construction thread in our Liberry. You'll also find recipes for such mortar using bagged products from your local home center.

The Type S has lime in it and is too sticky for shaping like you need to do in a shower floor, and it'll be too dense when cured.

My opinon; worth price charged.
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