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SLC gone bad

1K views 8 replies 4 participants last post by  DannyT 
#1 · (Edited)
Working on my 7x6 bathroom that had a few low areas. The floor is a concrete slab. Originally there was tile glued to the floor. I cleaned the floor up really well prior to work today. I plan to tile with ceramic when floor is ready.

I applied the primer and allowed to dry to tacky per directions. I mixed up a bag of DAP brand self-leveling mix- mostly portland cementl. I made it the suggested consistency which was milkshake. I poured it over the slight dips first and anticipated seeing it slowly more out and self level. It did nothing. I troweled it but even my trowel lines are present. It's more bumpy now than before.

I added more water than the directions stated but feel it was not liquid enough.

So can I make another batch using more water to make it runnier and pour it over or should I scrap up the first layer and start over?
 
#2 ·
Working on my 7x6 bathroom that had a few low areas. Originally there was tile glues to the flood. I cleaned the floor up really well prior to work today. I plan to tile with ceramic when floor is ready.

I applies the primer and allowed to dry to tacky per directions. I mixed up a bag of Ace brand self-leveling mix- mostly gypsum I recall. I made it the suggested consistency which was milkshake. I poured it over the slight dips first and anticipated seeing it slowly more out and self level. It did nothing. I troweled it but even my trowel lines are present. It's more bumpy now than before.

I added more water than the directions stated but feel it was not liquid enough.

So can I make another batch that is juicier and pour it over or should I scrap up the first layer and start over?
Your post is a little confusing to me so I have some questions.
For this to work out there's something people here are going to need to know.
What on the floor now for subflooring and underlayment.
That's the floor joist widths and spans.

Just how far out is the floor now.
Not using any tile board underlamant?

What do you mean by a flood?
 
#3 · (Edited)
edited for clarity

i hope this clears things up. Thanks

the floor is level from wall to wall but there are some areas where there are "dips" i guess you caould say. I'd put my 48' level across the floor and parts of the floor did not touch the bottom of the level. It's not more than 1/8th inch. But the tile store told me the floor had to be completely level before they could install.
 
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