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Cheap Alternatives to Self Leveling Compound?


thebeave's Avatar
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Join Date: Jul 2003
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08-23-05, 11:07 AM   #1  
Cheap Alternatives to Self Leveling Compound?

I just bought a house that has a concrete slab foundation, and it has some pretty severe floor sloping "issues"; especially in the master bathroom. I don't think it was caused by settling, as the walls and ceiling seem to be relatively crack free and stable, given the amount of floor slope. I think it was just poor workmanship during the time of construction. Given the extent of the slab area and depth requiring leveling, I think it could be pretty expensive to level everything using the pricey self-leveling compound. Is it possible to use other, cheaper cement-based products to level the slab? One thought I had was to nail a "lip" (made from moulding?) around the wall at the "point of level" and use something like thin-set mortar (with a latex admix for extra strength) to fill in the low area. Then you would use a straight board (say a 1x4 on edge) to spread out the thinset evenly and flatly, much like if you were making a concrete patio or driveway using form boards. Am I making sense, or is this a crazy thought? I plan to install either ceramic tile (bathroom) or carpet (bedrooms) as the final finish floor. Thanks for all your help!!

 
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KenTheHandyMan's Avatar
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08-23-05, 05:04 PM   #2  
How much difference are we talking? Self-Leveling concrete is VERY dense, you can't go with thinset if it's gonna be very thick. Are we talking 1/2"?

 
thebeave's Avatar
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08-23-05, 07:46 PM   #3  
Posted By: KenTheHandyMan How much difference are we talking? Self-Leveling concrete is VERY dense, you can't go with thinset if it's gonna be very thick. Are we talking 1/2"?
It's fairly sizable. I just checked the slope using my 4' level (longest I own) on the master bath floor. When the level is "level", one end is hanging about 1" in the air! If I had a longer level, it would probably be even more. That bathroom is by far the worst case. The other areas are more gently sloped.

 
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