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Unread 08-12-2005, 08:51 AM   #1
Icandoit
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Curb mud help please

After reading a bunch of threads from people using the wrong type of mud for the shower curb, I'm now paranoid. Went to Lowes where the guy told me to just make my own mixture by adding lime to cement - no details about how much. Went to HD where the guy told me to use thinset. Then went to local hardware store where the guy sold me mortar mix and told me this is masonry mix. I just dumped the bag to mix it and I'm leery.

The mortar mix bag says it has portland cement, but no mention of lime. Anyone out there with a word of wisdom or advice?

Lenny
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Unread 08-12-2005, 09:20 AM   #2
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Does that stuff look like one of these products?
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Unread 08-12-2005, 09:22 AM   #3
ntexasdude
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I just built mine 2 nights ago. I followed the instructions from this thread in the liberry. I used mason's mix and just mixed with water. My curb dried rock solid and came out perfect. The mason's mix was very easy to trowel and work with. The mix was less than $4 a bag and I used less than half the bag for a 32" long x 4 1/2" wide x 6" tall curb
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Unread 08-12-2005, 09:42 AM   #4
Icandoit
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No, it's called Mix Mortar made by Pennsy Supply (a local brand). I'm starting to lose my confidence on this stuff.
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Unread 08-12-2005, 09:54 AM   #5
bbcamp
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If it says you can use for brick or other masonary uses, it's good enough.
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Unread 08-12-2005, 10:08 AM   #6
Icandoit
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Thanks Bob.

Some day I'll write a longer post on this, but for us rookies, this is all a science. We follow exact directions. We wander up and down the aisles of HD or Lowes asking for stuff like "expandable drain plugs." You pros see this as an art. You know what you're trying to do, so how to do it isn't so exact. Just like the guy at the hardware store who told me to forget about the expandable plug and use a rubber ball (it worked, of course).

Anyway, thanks to you guys for pulling us along.

Lenny
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Unread 09-02-2005, 09:54 AM   #7
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Shower rebuild questions

OK, I’ve been working on a shower rebuild for a couple of months and I think I’m finally going to get all the Hardibacker up this weekend. Thanks to this forum, I’ve got the preslope done, built the curb, and am almost ready for tiling. I already have 2 books on tiling and JB’s book arrives this weekend. I need to build my confidence up on a few areas, so here are a few questions:

1. There are two 1/8 mortar pebbles that I can feel under the PVC liner. I stopped myself just before trying to smash them with a hammer, but I’m wondering what I should do about them. I could cut the PVC, remove them, and then put a patch over the spot or I could just put a patch on them without removing them. Advice?

2. I understand that one technique is to leave the bottom row of wall tiles for last until after I do the shower floor. Since the shower floor isn’t in place, do I estimate with the ¼ per foot rule to where the floor will be on the walls? Do I just plan on cutting the bottom row to fit if I’m off some?

3. I’m using 8 x 6 tiles on the walls. Is a ¼ notched trowel good for that? (I know this is a really simplistic question, but I can’t find the answer!)

I’m sure I’ll be continuing this thread in the future. Thanks.
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Unread 09-02-2005, 10:09 AM   #8
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1) Since the backerboard isn't installed yet, you can un-staple the liner and pull it back to get to those pebbles. You don't have to remove the clamping flange.

2) Place the setting bed first. It does a number of things for you, including: securing the bottom of the backerboard, protecting the liner from dropped tile, establishes the perimeter height.

3) Wall tiles do not need 100% coverage like floor tiles, so depending on the flatness of the tile backs, your trowel should be good.
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Unread 09-12-2005, 02:46 PM   #9
Icandoit
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Concerning these "pebbles" under the PVC. First let me explain where these things came from. After my water test, I noted some low spots. In my obsessive manner, I worked to fill these in - I made a new batch of mud and leveled things off (I now realize that I was supposed to use thinset). Anyway, my shower is 4 x 6 and there are about 10 tiny pebbles I can feel under the PVC. I think they are pieces of mud patches that pulled off after I put the PVC on.

I can't pull up the liner easily since I have all the CBU up, taped, and seams sealed.

For one pebble, I cut an X, removed the pebble which turned out to be about 1/16" and then patched it. For others, I left the pebbles and glued a patch of PVC over them to provide extra cushion.

Please tell me what you think about this pesky things. On one hand, I'm telling myself that the weight of the final deck and tile will keep the PVC from moving, so there probably won't be much chance to puncture the PVC. This, of course, is driven by the desire to get the final deck in and start tiling instead of ripping out the CBU and liner. On the other hand, I really don't want to start tiling when things could head south later.

I appreciate any advice you guys can give. Thanks.
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Unread 09-12-2005, 03:34 PM   #10
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Hi Lenny,

I sure wouldn't cut any more holes in that liner to remove a 1/16" pebble! Let it go man, make it up with thinset and if that won't do it, just groove out the bottom of the tile slightly with a saw or grinder.

Yes I said slightly!

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Unread 09-12-2005, 06:22 PM   #11
Icandoit
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But I can't pull up the PVC liner unless I pull the CBU down. Should I do that or should I just chill?
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Unread 12-08-2005, 08:29 AM   #12
Icandoit
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Drain and deck mud question

I finished the shower walls and am now ready to tile the floor. I pulled up the cardboard protecting the floor (along with about a gallon of grout that had splattered down) and I was surprised to see that the deck mud around my drain was no longer flush with the drain. There's about a 3/4 inch gap between the mud and the drain and you can see gravel.

I think what happened was that I was so paranoid that I was going to plug up the weep holes with mud that I put too much gravel around the drain and not enough mud. What mud was there probably sifted down into the gravel during with all the cardboard shifting during the wall tiling and grouting.

So, I can mix up another batch of mud or I can just fill the void with thinset as I tile the shower floor. I assume mud is the way to go, but I thought I'd better check with you guys before proceeding. Thoughts?

Lenny
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Unread 12-08-2005, 08:35 AM   #13
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Hi Lenny, if the muds not loose, you can just use some thinset.
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Unread 12-08-2005, 08:56 AM   #14
Shaughnn
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Hi Lenny,
You can skim a coat of thinset around the drain with your flat trowel. If one coat doesn't bring you up to where you need to be, wait a few hours and apply another. Several thin coats will probably be easier for you to keep flat than a single thick level.
Best of luck,
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Unread 12-08-2005, 03:25 PM   #15
Icandoit
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Thanks guys. Stay tuned for some nice pictures of a finished shower . . . .
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