Can You Pour Self Leveling Concrete Over Tile

Hi there i want to lay floorboards over underlay which is over vinyl tiles these in turn lie over concrete.

Can you pour self leveling concrete over tile.

For a successful self leveling concrete installation follow the seven tips in this. Ordinary concrete isn t necessarily the right product for skim coating over a vinyl tile floor but there are various self leveling specialty concrete formulas that can be mixed on demand and applied over the tiles on the floor. Takeaways for a successful self leveling pour. When the old floor material is a still strong ceramic tile surface though you can place the new covering over the tiles as long as you create a smooth surface beforehand.

You can go over it with more self leveling if you want. You most certainly can pour a new floor over your ceramic tile. Self leveling concrete can be used as an underlayment for tile carpet or other floor coverings. I don t know anything about vinyl but it won t have the flatness requirements that tile has.

With a floor leveling compound the smooth subsurface is easy to create. Self leveling compound can set up and become hard fairly quick within 15 to 30 minutes after it has been mixed with water and reaches the consistency. You can also fix spots with mapei planipatch or ardex feather finish. The amount of time that you need to wait when working with a self leveling compound once it is poured before you can lay a ceramic tile floor depends on the product that you are working with.

But the flooring is uneven. If you were to use conventional concrete i would say you should pour a minimun of 3 inches both for strength and to ease leveling. Another and i think better way would be to use a self leveling concrete that can be aplied in a much thinner coat and if head room is a problem would. Concrete often has scratches holes marks and drips that create a very uneven surface that cannot be used to lay tile while wood boards can warp over time creating hills and valleys instead of the straight smooth needed for proper tile insulation.

You need to prime it again before pouring. Or you can go over with vinyl. All that s required is spreading the compound over the prepared tiles. Look for products that can be applied over cutback adhesive or vct vinyl composition tile.