Leveling concrete subfloor with old tile

mefferz

Hello,

I'm going to be installing 500+ sq ft of FreeFit vinyl plank in my basement. Half of the area is exposed concrete and the other half is covered in old tile that is securely glued to the concrete. The tile is fairly thin, about the thickness of a CD. Rather than scrape up all the old tile and deal with the cleanup, I'm thinking of using a compound to smoothly transition the tile into the concrete. I've attached a picture for reference.

What would be the best compound to use for this task? I've never used self-leveling compound, but it looks pretty runny in the videos I've seen. I'm not sure if I would be able to tool it up to the tile and float it out a foot or so since it dries pretty quickly. Would thinset mortar be a good candidate? Any advice is appreciated. Thanks.

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Bud Cline

Self Leveling Compound wouldn't be suitable for this job. I would suggest using Mapei's Plani-Patch.

mefferz

Thanks for the advice Bud. I'll do some research on the Planipatch.

Bud Cline

Plani-Patch can be mixed with water or their compatible additive. Mixed with water it dries slightly softer and is easier to rub-out any trowel marks or imperfections using a rub stone to blend/feather the edges.

Mixed with additive it dries somewhat harder but the results are just as good. Either way it is fast-setting.

There are other products that would work as well. Ardex has some great products but I'm not familiar with their specific product names used for this purpose.

oh'mike

Ardex Feather finish--another good product.

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