Best way to correct deck slope [Archive] - Ceramic Tile Advice Forums - John Bridge Ceramic Tile


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Rob Morita
04-04-2006, 04:23 PM
My original reference line must have been off, but I have a corner of my top deck that's about 1/2" lower than the rest of the corners of the pan. What's the simplest way to get this corrected? Thanks.

-- Rob

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04-04-2006, 04:46 PM
You can use a bar-b-que grill cleaning stone to shave away the high spot but be very careful not to hit the liner. Best of luck,

Rob Morita
04-04-2006, 04:59 PM
I only thought of adding to the slope, not taking away. I guess that the deck mud recipe comes in handy in that scrubbing away a portion is a possibility. Thanks.

04-05-2006, 05:55 AM
You can also bond more deck mud with a slurry of thinset.

Rob Morita
04-05-2006, 05:28 PM
So that the new layer doesn't crumble, what would be the minimum thickness for the new deck mud?

04-06-2006, 06:02 AM
Deck mud won't go thinner than 1/4". Use thinset to get a feather edge.

04-06-2006, 08:44 AM
I just put down my preslope for my shower pan (actually about 1.5 days ago). I noticed around the edge of my shower drain, I noticed the deck mud flaking off slightly. I don't know if i didn't tamp it down enough before it dried. Should I be concerned? Should I fix it somehow? I want to do this before I put the pan liner down.


04-06-2006, 09:42 AM
Vacuum the loose stuff up, and use thinset if you have to fill any divots. If the bed starts to break up into big chunks, then you'll know to replace the whole thing.

04-06-2006, 10:45 AM

since it is just a small area (near drain) is there a premixed thinset you recommend in a small container? (kind of the size of touchup spackle for small nail coverups) I am having someone tile the shower so I don't need a large bag of thinset. :yeah:

04-06-2006, 12:43 PM
No, there is no premixed anything suitable for the shower. If the area is small enough, have the tile setter make the correction.